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"A"

DETAIL "A"

CONSOLE PORT

PRINTER PORT

DIGITAL I/O PORT

WRITE PROTECT SWITCHES

ATB (ANALOG TERMINAL BOARD)

TB2

KEYBOARD PORT

ANALOG INPUT PORT

DISPLAY PORT

1
2
3
4
5
6
7

DWN REV.

DESCRIPTION

DATE

APPROVED

DWF

Drawn to SW

8/14/2013

SHEET 1 OF 1

DWG. NO.

DRAWN

APPLICATION

USED ON

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SIZE

CHECKED

ISSUED

TOLERANCES

±.50°

623 Wyoming S.E. Albuquerque, NM 87123

THIS DRAWING AND INFORMATION

CONTAINED WITHIN IS PROPRIETARY

TO THUNDER SCIENTIFIC AND

CANNOT BE COPIED OR REPRODUCED

WITHOUT WRITTEN PERMISSION

FISCHER

3/31/1995

4/4/1995

3900

Cards & Card Cage

REV

WT.

95D39903

UNLESS NOTED OTHERWISE

.X ±.25

THIRD ANGLE

PROJECTION

PRODUCTION

DESIGNATION

39-Z-3

SCALE: 1 : 8

LEFT SIDE

Thunder Scientific Corporation

PROPRIETARY NOTICE

Содержание series 3900

Страница 1: ...OPERATION AND MAINTENANCE MANUAL LOW HUMIDITY GENERATOR SERIES 3900 ...

Страница 2: ...17 Tel 505 265 8701 FAX 505 266 6203 E mail support thunderscientific com Document Edition 15 September 2017 Firmware Version 2 12 THUNDER SCIENTIFIC is the registered trademark of Thunder Scientific Corporation All the information provided in this document is correct and true at the time of publication Thunder Scientific Corporation reserves the right to change any technical data without notice M...

Страница 3: ...Model 3900 Low Humidity Generator ...

Страница 4: ...on 1 8 1 4 2 Computer Control System Configuration 1 8 1 4 2 1 Central Processing Unit CPU 1 8 1 4 2 2 Liquid Crystal Display LCD 1 9 1 4 2 3 Liquid Crystal Display Driver 1 9 1 4 2 4 Keypad 1 9 1 4 2 5 Memory Card 1 9 1 4 2 6 Analog to Digital Converter A D 1 9 1 5 ELECTRICAL SYSTEM 1 10 1 5 1 AC Power Distribution 1 10 1 5 2 Power Supply 15 5 VDC 1 10 1 5 3 Power Supply 24 VDC 1 10 1 5 4 Analog ...

Страница 5: ...16 1 8 REFRIGERATION 1 17 1 8 1 Saturator Refrigeration 1 17 Section 2 INSTALLATION 2 1 GENERAL 2 1 2 2 FACILITIES REQUIRED 2 1 2 2 1 Floor Space 2 1 2 2 2 Power 2 1 2 2 3 Gas Supply 2 1 2 3 PREPARATION 2 1 2 3 1 Methanol Filling Procedure 2 2 2 3 2 Vent Muffler 2 3 2 4 POSITIONING AND LEVELING 2 3 2 5 FACILITY CONNECTIONS 2 3 2 5 1 Gas Supply 2 3 2 5 2 Pressure Vent 2 3 2 5 3 AC Power 2 3 Section...

Страница 6: ...er Port Parameters 3 26 3 3 2 7 Time and Date 3 26 3 3 2 8 Miscellaneous User Parameters 3 27 Section 4 CALIBRATION AND MAINTENANCE 4 1 GENERAL 4 1 4 2 CALIBRATION 4 1 4 2 1 A D Card 4 2 4 2 2 Temperature Calibration 4 2 4 2 2 1 Test Temperature Calibration Procedure 4 3 4 2 2 2 Saturation Temperature Calibration 4 7 4 2 3 Pressure Transducer Calibration 4 11 4 2 3 1 Saturator and Test Pressure Ca...

Страница 7: ...yout 95S39906 Terminal Layout 95S39907 AC DC Power Schematic 95S39908 Solid State Relay Module Board 95S39909 Compressor Heater Alarm Schematic 95S39910 Flow Valve Drive Schematic 95S39911 Expansion Valve Drive Schematic 95S39912 Temperature Probe Transducer Schematic 95S39913 Display Block Diagram 95D39914 RS 232C Console Printer 95S39915 Pneumatic System Generate Mode 95S39916 Pneumatic System P...

Страница 8: ...defective This warranty shall not apply to any Product which has been maintained handled stored repaired or altered in any manner or by anyone other than an authorized TSC representative so as to affect adversely such Product or which has been subject to improper installation misuse negligence accident or corrosion THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ANY WARRANTY OF MERCHANTABILITY FITNESS F...

Страница 9: ... Item Check List 1 Certificate of Calibration In Manual 2 Operation and Maintenance Manual 3 HumiCalc with Uncertainty Software 4 3900 ControLog Software 5 5 32 Ball Driver Tool 6 Power Cable 7 Transducer Test Pressure Cable 8 Test Temp Cable 9 Printer Cable 10 Computer IO Control Cable 11 Pure Water Fill Funnel 12 1 4 30 Micron Muffler 13 Pressure Transducer 0 50 Psi 14 1 4 Swage x 9 16 18 STD ...

Страница 10: ...e to the equipment types in the WEEE Directive Annex I this product is classed as category 9 Monitoring and Control Instrumentation product Do not dispose in domestic household waste To return unwanted products contact the manufacturer s web site shown on the product or your local sales ofﬁce or distributor English Ce produit est conforme aux normes de marquage de la directive DEEE 2002 96 CE La p...

Страница 11: ...cante através do Website constante do produto ou contacte o seu representante de vendas ou distribuidor local Português Dit product voldoet aan de merktekenvereisten van de AEEA richtlijn 2002 96 EG Het aangebrachte merkteken duidt erop dat dit elektrische elektronische product niet met het huishoudelijk afval mag worden afgevoerd Productcategorie Met betrekking tot de apparatuurcategorieën van bi...

Страница 12: ...e humidity and temperature setpoints completely unattended freeing the operating technician from the task of system monitoring and adjustment 1 2 PRINCIPLE OF OPERATION 1 2 1 General Description The Model 3900 humidity generation system is based on the two temperature two pressure principle This process involves saturating air or some other gas such as nitrogen with water vapor at a given temperat...

Страница 13: ... x 10 13 D 2 858487 T temperature of the gas in C For SVP over ice the equation of Hyland Wexler2 is expressed as ei T exp 15 273 ln 15 273 1 5 0 T D T C i i i 2 where C0 5 6745359 x 103 C1 6 3925247 C2 9 6778430 x 10 3 C3 6 2215701 x 10 7 C4 2 0747825 x 10 9 C5 9 4840240 x 10 13 D 4 1635019 T temperature of the gas in C 1 Wexler Arnold Vapor Pressure Formulation for Water in Range 0 to 100 C A Re...

Страница 14: ...i 0 3 where A0 3 53624 x 10 4 A1 2 93228 x 10 5 A2 2 61474 x 10 7 A3 8 57538 x 10 9 B0 1 07588 x 101 B1 6 32529 x 10 2 B2 2 53591 x 10 4 B3 6 33784 x 10 7 and T temperature of the gas in C This formula for the enhancement factor is valid over the pressure range of the 3900 and over the temperature range of 0 to 100 C When calculating enhancement factors with respect to ice for temperatures from 10...

Страница 15: ...ion temperature Ts and saturation pressure Ps ƒ Tf Pt the enhancement factor at the frost point temperature Tf and test pressure Pt Since frost point is not known this equation is solved by iteration e Ts the SVP ei or ew at saturation temperature Ts Pt the absolute test pressure Pt Ps the absolute saturation pressure Ps Then frost point temperature relative to that vapor pressure is solved for as...

Страница 16: ... Td 8 where ew Td SVP over water at the dew point temperature Td obtained from equation 7 The 3900 generates a particular dew point by first selecting a suitable saturation temperature Ts then determining the saturation pressure Ps required to establish the correct dew point vapor pressure and ultimately the correct dew point temperature at any given test pressure Pt Dew point is independent of te...

Страница 17: ...Pt the enhancement factor at test temperature Tt and test pressure Pt e Ts the SVP ei or ew at saturation temperature Ts e Tt the SVP ei or ew at test temperature Tt Pt the absolute test pressure Pt Ps the absolute saturation pressure Ps The 3900 generates a particular Relative Humidity by first selecting a suitable saturation temperature Ts then determining the saturation pressure Ps required to ...

Страница 18: ...ge 0 to 50 C Test Temp Uncertainty 0 08 C Display Resolution 0 01 Gas Flow Rate Range 0 1 to 5 L min Gas Flow Rate Range Option 0 5 to 10 L min Gas Flow Rate Resolution 0 02 L min Gas Flow Rate Uncertainty 0 2 L min Gas Type Air or Nitrogen Gas Pressure Rating MAWP 350 psiG Refrigeration 1 3 HP R 134A 1 3 HP R 23 in cascade Heating Stainless Steel Immersion Heaters Test Port 1 4 Inch Swagelok Tube...

Страница 19: ...ts of the following key components 1 Embedded Computer system consisting of a CPU card b 8 channel 16 bit A D converter card with signal conditioning c Memory Card d Liquid Crystal Display driver card e Solid State Relay Board 2 256 x 128 backlit dot matrix Liquid Crystal Display LCD module 3 16 key front panel keypad 1 4 2 1 Central Processing Unit CPU Reference Drawing 95D39903 The Central Proce...

Страница 20: ...and temperature setpoints for humidity generation and perform any other interface functions where user input is required During operation most of the screens will show four rectangular shaped blocks at the right side of the display These blocks correspond with the four blank keys on the left side of the keypad which will be used to perform certain functions within the program 1 4 2 5 Memory Card R...

Страница 21: ...907 through 95S39913 The 15 VDC portion of power supply PS1 provides power to the flow meter the pressure transducers the A D card and the LCD backlight inverter board The mass flow transducer and the A D card use 15 VDC for their particular voltage requirements while the pressure transducers require 15 VDC and the LCD backlight inverter board requires 15 VDC The 5 VDC portion of power supply PS1 ...

Страница 22: ...nverter card A D with a resolution of approximately 0 01 C bit Since the temperatures measured by the A D card are based on ideal R T curves further calibration to actual temperature values is performed by the CPU prior to use or display refer to 4 2 2 for calibration A reference resistor of approximately 10KΩ is connected to channel 3 of the ATB and is used to compensate for short and long term d...

Страница 23: ...ge of 0 to 300 psiA This transducer is generally used to measure saturation pressures above 50 psiA Operation is identical to that of the test pressure transducer described in section 1 5 4 3 The output voltage 0 5 VDC for 0 to full scale is connected to channel 6 of the ATB for measurement by the A D card 1 5 4 5 Gas Supply Pressure Transducer Reference Drawings 95S39912 95S39915 916 The Gas Supp...

Страница 24: ...nal C4 to the optical input side of SSR4 on the Solid State Relay Board Valve actuation voltage is 24 VDC Adjust needle valve V5 to 1 0 liter per minute if regulated pressure is changed 1 5 5 3 Saturator Vent Purge Solenoid Valve Reference Drawings 95S39908 95S39915 916 The Saturator Vent Purge Solenoid Valve SOL3 when activated allows the saturator pressure to vent to ambient This valve is activa...

Страница 25: ...09 95S39917 The Saturator Fluid Heater H1 is a resistive heating element activated by a two stage control process Heat limit switch HLS1 must be in the normally closed position indicating that saturator fluid temperature is within allowable limits i e below 30 C Activation is then accomplished by applying a low from TIB channel B5 to the optical input side of SSR10 Saturator heater temperature is ...

Страница 26: ...lve actuated by a gear reduced stepper motor The valve is driven indirectly via pulses from the CPU to TIB terminals B1 B3 which triggers stepper motor driver SMD 2 Pulses on channel B1 turn the valve clockwise while pulses on channel B3 turn the valve counter clockwise The stepper motor driver is powered from the 24 VDC power supply Controlled by the CPU using feedback from the saturator pressure...

Страница 27: ...asured Upon exiting the saturator the saturated gas encounters the expansion valve V2 and the saturation pressure is reduced to test pressure The gas stream enters the device under test from the fitting located on counter top at the desired humidity given test pressure Pt and test temperature Tt conditions The gas exits the device under test and is then vented to the atmosphere B Purge Mode refere...

Страница 28: ...igerant is metered into the interstage cooler CON2 heat is removed and the heat laden vapor is piped back to the compressor and the cycle is repeated The low stage refrigeration system utilizes Refrigerant 23 which has a boiling point of 81 4 C The refrigerant is compressed from a low pressure vapor to a high pressure vapor by compressor C2 The high pressure vapor flows through the oil separator O...

Страница 29: ... requires a gas supply that is clean dry and oil free Zero nitrogen or air regulated to a pressure between 325 and 350 psiG 22 to 24 bar gauge with a flow rate capability of 5 standard liters minute and an ambient pressure frost point of 80 C or lower is recommended 2 3 PREPARATION Reference Drawing 95D39902 Temperature conditioning of the 3900 s saturator employs a fluid circulation system in con...

Страница 30: ...remove counter top 4 Locate and remove RTD access insulation Using the 7 8 socket with 6 extension remove the Saturator Methanol Fill Port Cap from the top of the saturator 5 Remove circular insulation and the Methanol Expansion Tank Fill Port Plug 6 Insert the funnel into the Methanol Expansion Tank Fill Port Slowly and carefully fill the saturator assembly until methanol is observed just below t...

Страница 31: ... 5 1 Gas Supply 1 Connect a source of clean oil free gas to GAS INLET with a line size equal to or larger than the 1 4 OD tubing on console The gas supply should be regulated to a pressure between 325 and 350 psiG Maximum Allowable Working Pressure is 350 psiG 2 5 2 Pressure Vent No connection is required Normally a sintered filter is installed A small tray should be placed under the vent to catch...

Страница 32: ... will perform a very short diagnostics test 3 2 2 Control Display Screen At the end of the power up sequence the following Control Display Screen appears All control and measurement parameters critical to the operation of the humidity generator are displayed on this screen Notice that in the leftmost column each parameter is identified with a brief title and corresponding units The asterisk in the...

Страница 33: ...independent of test temperature and test pressure PPMw Parts per Million by Weight PPMw calculated from saturation temperature Ts saturation pressure Ps and the molecular weight of the carrier gas To change the molecular weight of the carrier gas refer to section 3 3 This calculation is independent of test temperature and test pressure RH The RH calculated from saturation pressure Ps saturation te...

Страница 34: ...n the calculation of RH the test temperature probe should be placed as close as possible to either the temperature sensing element for chilled mirror hygrometers etc or the humidity sensing element for solid state humidity sensors of any device under test When the test temperature probe is not plugged in calculations of RH are referenced to the user entered test temperature setpoint rather than an...

Страница 35: ...ing the numeric keypad Continue using the arrow keys and the numeric keypad until all desired values have been changed To enter a negative setpoint value for Frost Point Dew Point or Saturation Temperature place the cursor on the leftmost digit of the desired setpoint and press the left arrow key to toggle the minus sign on and off End the setpoint editing session by pressing the ENTER key on the ...

Страница 36: ...he left arrow key once The negative sign will appear 4 Move the cursor down to the FLOW l m setpoint value SetPnt Actual FRST PT o C 20 00 DEW PT o C 11 23 PPMv 2581 PPMw 1605 RH 10 37 SATUR psi 70 92 SATUR o C 10 00 TEST psi 14 70 TEST o C 21 11 FLOW l m 1_ 000 03 25 11 15 23 03 294 6 SetPnt Actual FRST PT o C 20_ 00 DEW PT o C 11 23 PPMv 2581 PPMw 1605 RH 10 37 SATUR psi 70 92 SATUR o C 10 00 TE...

Страница 37: ...eyond the limits revert back to the previous setpoint value and are accompanied by a short audible warning beep This most often occurs when the user inadvertently enters a wrong value or fails to include a decimal point The system automatically chooses a suitable saturation temperature setpoint if the one displayed would require a saturation pressure outside the range of the systems capability In ...

Страница 38: ...de 2 PPMv is controlled at a constant value by varying saturation pressure Ps to compensate for any changes in saturation temperature Ts While PPMv is held constant Frost Point Dew Point and RH may vary While in PPMv control mode the saturation temperature setpoint is automatically determined PPMv is independent of test pressure and test temperature Mode 3 PPMw is controlled at a constant value by...

Страница 39: ... 1605 RH 10 37 SATUR psi 70 92 SATUR o C 10 00 TEST psi 14 70 TEST o C 21 11 FLOW l m 1 000 03 25 11 15 23 03 294 6 SetPnt Actual FRST PT o C 10 00 DEW PT o C 11 23 PPMv 2_581 PPMw 1605 RH 10 37 SATUR psi 70 92 SATUR o C 10 00 TEST psi 14 70 TEST o C 21 11 FLOW l m 1 000 03 25 11 15 23 03 294 6 SetPnt Actual FRST PT o C 1_0 00 DEW PT o C 11 23 PPMv 2581 PPMw 1605 RH 10 37 SATUR psi 70 92 SATUR o C...

Страница 40: ...he control mode is changed to that parameter otherwise the previous control mode remains in effect Next the setpoint of the active control mode is read and validated Finally the remaining parameters Test Temperature Test Pressure and Flow are read and validated The current control mode parameter is indicated with an asterisk to its left SetPnt Actual FRST PT o C 10 00 DEW PT o C 11 23 PPMv 2000 PP...

Страница 41: ... from warmer to colder saturation temperatures and for approximately 5 hours after each 500 hours of continuous Generate mode operation During Purge mode both flow control and saturation temperature control are active but saturation pressure control is disabled The generator will attempt to achieve the indicated flow and saturation temperature setpoint values Notes 1 When the saturation temperatur...

Страница 42: ... temperature setpoint is and 3 the length of time that the system purged while at a higher saturation temperature discussed in step 2B above Lower flow rates and lower saturation temperatures require longest purge times Notes 1 Entering a humidity control setpoint value causes the generator to automatically determine a suitable saturation temperature for that humidity Saturation temperature setpoi...

Страница 43: ... or warmer and allow the system to stabilize Note The saturation temperature must be above 0 C for a minimum of four hours before proceeding with the saturator clear procedure This allows any ice in the saturator to completely melt 3 Press CLR key 3 times The key will increment to CLR 15 This clears the saturator of excess water for 15 cycles by pressurizing the system at 1 liter minute and then q...

Страница 44: ...self The Purge procedure section 3 2 5 and the Saturator Clear procedure section 3 2 6 must be performed When the GEN key is pressed or the PRG GEN key from within the Purge mode the temperature pressure and flow control processes begin The fluid circulation pump will start and the refrigeration system will begin its start up sequence If switching to Generate from the Purge mode all control proces...

Страница 45: ...ies For instance a 80 C frost point temperature can typically take 24 hours or more to completely dry down the outlet tubing and the device under test 4 After operating in the Generate mode for several hours the system should be at the desired humidity point Check all instrumentation for stability and record a data point 5 Adjust humidity to the next desired setpoint Several hours should be allowe...

Страница 46: ... the front of the generator For best chilled mirror stability insulate this tube 2 Allow the chilled mirror outlet to exhaust to atmosphere through a short section of tubing This helps to prevent upstream humidity permeation 3 Connect the pressure transducer to mirror exhaust if other than atmospheric pressure Ensure that the transducer is plugged into the 3900 Otherwise enter the mirror pressure ...

Страница 47: ...e using 2 0 liters min gives only one half as much run time as listed Dew Frost Point Approximate Continuous Generated Run Time 1 liter min flow 15 C 400 hours 2 weeks 10 C 500 hours 3 weeks 0 C 1000 hours 1 5 months 10 C 2500 hours 3 5 months 30 C 17 000 hours 2 years 50 C 150 000 hours 17 years 70 C 2 500 000 hours 285 years Even though the lower temperatures make it appear that the system would...

Страница 48: ... minute or less 5 Locate the saturator fill port at front right of counter top and remove the port cap 6 Slowly add two ounces of pure water triple distilled or reagent grade into the fill port using the supplied funnel 7 Replace the port cap and tighten port cap 1 4 turn past finger tight 8 Press saturator CLR key 2 times to increment the saturator clear counter to CLR 20 This clears the saturato...

Страница 49: ...ter extended periods of this idle time the system must be Purged again prior to further use To Stop the system and enter and idle mode 1 From either the Generate or Purge modes press STOP Within a few seconds all system functions will shut down and the idle Control Display screen will appear The Stopped mode is easily distinguished from all others since all data in the Actual column is blank on th...

Страница 50: ... source 3 Connect to the new gas source 4 Set the Flow setpoint back to the original setting Within a few minutes the system will return to its previous state 3 2 12 Printer optional Reference Drawings 94M39901 95M39914 An optional printer is used for hard copy output of system data and other parameters While the 3900 humidity generator is operating in a Generate mode data is output on a timed int...

Страница 51: ...aud Rate Parity Print Interval Lines per Page etc Time Date Time and Date of Real Time Clock Misc User Parameters RH Calculation Method WMO Pressure Units Date Format Molecular Weight of Carrier Gas 3 3 1 Edit Mode The EDIT mode is used for the viewing and editing process 1 From the idle Control Display screen press EDIT CAL Note for this menu option to appear the generator must not be in Generate...

Страница 52: ...displayed Using E arrow keys and the numeric keys as necessary change any or all displayed values as desired Then press ENTER 6 After Editing or Viewing press DONE Then from the next menu press DONE again The system reinitializes back to the Control Display screen SATURATION TEMP Ts Zero 877401 Span 9 78206E 03 Lin 6 07702E 09 Avg 10 Last Cal Date 03 17 10 EDIT NEXT PREV DONE MASS FOLW RATE Zero 0...

Страница 53: ... with the formula New Value Previous Value AVG New Reading AVG 1 An AVG of zero 0 effectively eliminates averaging An AVG that is very large has a correspondingly large averaging affect Non integer averaging amounts are allowable however negative amounts should never be used An AVG of approximately 10 is typical while an AVG of 1000 would be excessively high The date indicated at the bottom of the...

Страница 54: ...ese coefficients are automatically computed during pressure calibration section 4 2 3 AVG is the amount of averaging applied to the displayed value Averaging is applied with the formula New Value Previous Value AVG New Reading AVG 1 An AVG of zero 0 effectively eliminates averaging An AVG that is very large has a correspondingly large averaging affect Non integer averaging amounts are allowable ho...

Страница 55: ...of zero 0 effectively eliminates averaging An AVG that is very large has a correspondingly large averaging affect Non integer averaging amounts are allowable however negative amounts should never be used An AVG of approximately 10 is typical while an AVG of 1000 would be excessively high The date indicated at the bottom of the screen is the last date of calibration or the date of the most recent e...

Страница 56: ...m the console port of the 3900 is terminated with a carriage return ASCII 13 and linefeed ASCII 10 Cancel The ASCII value of the desired cancel the line character Sending this character clears anything in the input buffer of the Console Port Here 3 is the ASCII value sent when executing a Control C on most computers Caution It is advised that these settings stay at factory defaults The reason for ...

Страница 57: ...ODD parity or 2 for EVEN parity Intrvl The print interval or number of seconds between printouts of system data Lns Pg Lines per Page of printed data 3 3 2 7 Time and Date This screen is used to change the Time and or Date of the Real Time Clock Note that time is input and displayed in 24 hour format Also notice that the date is displayed in the date format selected in Miscellaneous User Parameter...

Страница 58: ...e entered Note The Molecular Weight does not alter the Enhancement Factors in any way nor compensate for variations in solubility or compressibility of various gasses Therefore when using a carrier gas other than air or nitrogen the validity of the Enhancement Factors used in the calculation of humidity parameters cannot be assured Tt Type Set this to zero 0 when using the standard 10K thermistor ...

Страница 59: ...ystem has the capability of operating simply as a two temperature generator Ps Ctrl 0 or in a combined two temperature two pressure mode Ps Ctrl 1 When operating as a two temperature generator only the expansion valve remains fully open in order to minimize any pressure drop between the saturator and devices under test In this mode all humidity changes require changes in the saturator temperature ...

Страница 60: ...ture both having a resolution of 0 01 C or better Thermometer accuracy should be 0 03 C or better 2 Low Pressure Range A Static gas pressure source for the pressure range of ambient to 50 psi 3 5 bar or 3500 hPa absolute with a stability of 0 0025 psi 0 00017 bar 0 17 hPa or better B Standard or reference pressure gauge for the range of ambient to 50 psi 3 5 bar or 3500 hPa absolute with a resolut...

Страница 61: ...med automatically by the 3900 s embedded computer the operator need only be concerned with providing three known stable references required for the calibration of each transducer 4 2 1 A D Card Equipment Required None All calibration errors appearing in the A D card will be accounted for automatically during calibration of the temperature pressure and flow transducers The card is also equipped wit...

Страница 62: ...ath with reference thermometer to the system and install the Test Temperature thermistor into temperature bath If using water as the fluid medium do not submerse the probe completely or water may get into the probe and damage the thermistor element 2 From the main Control Display screen press the EDIT CAL key The Edit Cal menu appears 3 Press the CAL key The calibration menu appears CAL EDIT PRNT ...

Страница 63: ...eference values appear at the bottom of the screen and within a few seconds actual data begins updating in the Count and o C columns 7 Adjust the temperature bath to a LOW temperature point at or near 0 C and allow sufficient time for stability 8 Once stable press LOW TEMP and input the value of the Standard Thermometer as the LOW temperature Use and arrow keys as necessary Count o C Satur Tmp Tes...

Страница 64: ...that which exists on the screen in the Count column when the LOW TEMP MID TEMP or HIGH TEMP key is pressed 10 After all three temperature points have been taken press CALC COEF to calculate the new temperature coefficients for the probe which is marked Unmarked probes retain their previous coefficients The current coefficients for the marked probe will appear on the screen 11 If a printer is attac...

Страница 65: ...ath to any values between 0 and 50 C and visually compare readings When done press EXIT QUIT 14 At the calibration menu press DONE Then press DONE at the next menu The system reinitializes and the Control Display screen appears 15 To print a condensed coefficient report listing temperature pressure and flow coefficients together on one page refer to section 4 2 5 ...

Страница 66: ...d remove the 4 square foam insert that insulates the saturator 3 Using a 9 16 socket with 6 extension loosen and remove the 1 4 Swagelok cap on the Auxiliary Temperature Port 4 Slide a 1 4 Swagelok nut and nylon ferrule set onto the shaft of the Standard Thermometer and then insert it into the saturator s Auxiliary Temperature Port approximately 3 to 4 inches Seal the saturator by tightening the n...

Страница 67: ...an asterisk on the left To complete selection press OK or ENTER 12 The saturation temperature calibration screen consists of two sections the saturator temperature control and the calibration data TEMP CAL PRES CAL FLOW CAL DONE Count o C Satur Tmp Test Tmp MARK CLR EXIT QUIT OK Count o C Satur Tmp 2464 24 89 Test Tmp 2135 21 35 Low Mid High 70 35 0 LOW TEMP MID TEMP HIGH TEMP EXIT QUIT SetPoint 4...

Страница 68: ...of the Standard Thermometer as the HIGH temperature Use and arrow keys as necessary Then press ENTER The HIGH temperature value just entered and the values of the marked probe are automatically saved to memory for later computation of calibration coefficients Note If a mistake was made during the temperature entry mode use OOPS rather than ENTER This will cancel the temperature entry mode and rest...

Страница 69: ...To update the calibration with the new coefficients press the SAVE QUIT key To abort without storing these new coefficients press the EXIT QUIT key Note If the new coefficients were printed but not SAVED the new coefficient values may be entered later using the EDIT mode described in section 3 3 18 Check the accuracy of the calibration if desired by repeating steps 10 through 12 however don t mark...

Страница 70: ... the system is set to the desired units section 3 3 prior to performing the pressure calibration Reference Drawing 95D39902 Equipment Required 1 Static pressure source and standard or reference measurement with absolute pressure range of ambient to 50 psi 3 5 bar or 3500 hPa per section 4 2 2 Static pressure source and standard or reference measurement with absolute pressure range of ambient to 30...

Страница 71: ...driver pry open the round snap lock transducer mounts and remove the transducers Ensure the electrical connectors are in place 6 Reinsert line cord and switch console power ON Wait a few moments for the softkey menu to appear Allow approximately 30 minutes or more for warm up of the pressure transducer electronics 7 Connect the pressure source to the transducer to be calibrated only one transducer...

Страница 72: ...alibration range the computer will only allow you to mark one transducer at a time 11 Confirm selection by pressing OK or ENTER 12 Apply the lower recommended calibration pressure and watch the displayed value of the marked transducer Once stable press the LOW PRES key and enter the reference pressure TEMP CAL PRES CAL FLOW CAL DONE Count Psi _Low Range Hi Range Ext Test Supply MARK CLR EXIT QUIT ...

Страница 73: ...per recommended pressure and watch the displayed value Once stable press the HIGH PRES key and enter the reference pressure 15 Press the CALC COEF key All coefficients for the marked transducer will be calculated and appear on the LCD display Count psi A Low Range 15538 30 11 Hi Range 1513 12 19 Ext Test 7385 12 19 Supply 29806 250 9 Low Mid High 12 212 29 989_ 50 OOPS Count psi A Low Range 15538 ...

Страница 74: ...ion if desired by repeating steps 9 through 11 however don t mark any of the probes Apply various pressures within the range of the transducer and visually compare the readings 19 Repeat steps 7 through 18 for the high pressure saturator and the external test pressure transducers using the suggested LOW MID and HIGH pressures indicated on the screen 20 For safety purposes switch main console power...

Страница 75: ...h the console power OFF and then remove front console panel 2 Switch console power ON Wait a few minutes for the softkey menu to appear Allow approximately 30 minutes or more for warm up of the pressure transducer electronics 3 Press the EDIT CAL key then the CAL key The calibration menu appears 4 Press the PRES CAL key 5 Using MARK CLR and the down arrow key as necessary mark the Supply pressure ...

Страница 76: ...ucer will be calculated and appear on the LCD display 10 If a printer is attached a calibration record of the pressure points and calculated coefficients is printed Press the PRNT COEF key if additional printouts are desired This is the only opportunity to print this report Upon leaving this screen the data used for report generation is lost with the exception of the calculated coefficients being ...

Страница 77: ...e calibration for the flow meter is slightly different than for the temperatures and pressures and does not require the removal of the flow meter from the system 1 Using appropriate fittings connect a flow meter reference instrument to the gas outlet port of the system 2 Generate a flow rate of approximately 1 0 L min Once stable note the readings of the reference flow meter and of the indicated f...

Страница 78: ...he flow meter indicated by an asterisk to its left 8 Press OK Within a few seconds the measured flow readings begin updating TEMP CAL PRES CAL FLOW CAL DONE Count l min Mass Flow 4 0144 Low Mid High 0 1 0 2 0 LOW FLOW MID FLOW HIGH FLOW EXIT QUIT Count l min _Mass Flow MARK CLR EXIT QUIT OK ...

Страница 79: ...llowing 1 0 Reference Indication 3900 Indication Press MID FLOW and enter this calculated value 11 Using the 2 0 liter data obtained in step 3 calculate the following 2 0 Reference Indication 3900 Indication Press HIGH FLOW and enter this calculated value Count l min Mass Flow 4 0144 Low Mid High 0_ 1 0 2 0 OOPS Count l min Mass Flow 2500 1 000 Low Mid High 0 0 98 _ 2 0 OOPS Count l min Mass Flow ...

Страница 80: ...his screen the data used for report generation is lost with the exception of the calculated coefficients being displayed 14 To save the coefficients to non volatile memory press SAVE QUIT To discard these new coefficients and revert to the previous ones press EXIT QUIT 15 At the calibration menu press DONE At the next menu press DONE again The system reinitializes to the Control Display screen 16 ...

Страница 81: ...n to the Control Display screen Coefficient Report for TSC Model 3900 Low Humidity Generator S N XXXXXXX Date MM DD YY Temperature Zero Span Linearity Cal Date Saturation Temperature 0 00000E 00 1 00000E 02 0 00000E 00 MM DD YY Test Temperature 0 00000E 00 1 00000E 02 0 00000E 00 MM DD YY Temp Reference Resistor 2 50000E 01 1 00000E 02 0 00000E 00 MM DD YY _____ _____ _____ _____ _____ Pressure Ze...

Страница 82: ... Required 1 9 16 open end wrench 2 Two 3 4 open end wrenches Filter Change Out Procedure 1 For safety purposes switch console power OFF and remove line cord 2 Disconnect facility gas supply 3 Remove right side console panel 4 Using both a 9 16 and a 3 4 wrench remove inline filter from gas supply line tubing 5 Using both 3 4 wrenches disassemble filter body and remove filter from tapered bore 6 In...

Страница 83: ...dure on the high stage first as it is impossible to run the low stage system unless the high stage is functional and has had time 10 minutes to cool the interstage heat exchanger Although great care is taken in the design and manufacture these systems can be subject to normal failures Refrigerant leaks moisture and component failure can be diagnosed in much the same way as in other refrigeration e...

Страница 84: ...use of its low freezing point This fluid is circulated by a magnetically coupled centrifugal pump FP1 at approximately two gallons per minute This pump has an approximate life of 10 000 hours and may ultimately need service Should this system require repair extreme caution is required in the draining and filling due to the flammability of methanol CAUTION THIS SYSTEM CONTAINS METHYL ALCOHOL METHAN...

Страница 85: ...rcular insulation and using the 3 8 ball hex driver remove the Methanol Expansion Tank Fill Port Plug 4 Locate RTD1 Access Insulation and remove Using the 7 8 socket with 6 extension remove the Saturator Methanol Port Cap from the top of the saturator 5 Insert the funnel into the Methanol Expansion Tank Fill Port Slowly and carefully fill the saturator assembly until methanol is observed just belo...

Страница 86: ...roblem without the exact error code The following is a list of error codes and a brief description of each ERROR CODE DESCRIPTION 1 Expansion Valve Not Closing 2 Flow Valve Not Closing 4 Low Supply Pressure 8 Cabinet Temperature Overrange 32 Reference Temperature Underrange 48 Reference Temperature Overrange 64 Test Temperature Underrange 80 Test Temperature Overrange 128 Saturator Temperature Und...

Страница 87: ... indicates a faulty reference resistor or a malfunctioning A D converter card Error 64 Test Temperature Underrange The indicated test temperature is below 80 C One possible cause could be the testing environment temperature is less than 80 C The most likely cause is a malfunction of the temperature probe Error 80 Test Temperature Overrange The indicated test temperature is above 100 C One possible...

Страница 88: ...re transducer indicates a pressure more than 10 above its full scale reading One possible cause would be a malfunction or leak in the pressure select solenoid SOL4 This error could also be caused by a pressure transducer malfunction or calibration error Error 2048 High Range Saturation Pressure Underrange The high range saturation pressure transducer indicates a pressure less than 10 psiA The most...

Страница 89: ...oil HK5161 H3 6 Heater Foil HK5579 HLS1 1 Heat Limit Switch A19AAF 12 KB 1 Keypad D94M39205 LCD CON 1 Display Controller D96A00228_39 LCD 1 Liquid Crystal Display DMF6104 LCD INV 1 Inverter Board Back Lite CXAM10L LF1 1 Filter Inline S4F 7 MEM 1 Memory Card D96A39022 MOV1 3 Varistor Metal Oxide MOV1 OS1 1 Separator Oil D40B0010 PLF1 1 Filter Power Line F1700BB03 PS1 1 Supply 15 5VDC Power HTAA 16W...

Страница 90: ...nsducer Flow BK5860E TR3 1 Transducer Pressure PTE50 TR4 1 Transducer Pressure DCT300A TR5 1 Transducer Pressure PTE50 DCT150A TB1 20 Terminal Block ABWM3 TIB 1 Terminal Interface Board TBD 100 TM1 1 Tank Methanol Expansion D95A00187 V1 1 Valve Flow D95A00172 V2 1 Valve Expansion D95A00172 V3 1 Valve Refrigeration Expansion NIF 1 2 C V5 1 Valve Metering SS 2MA High Pressure HP Option Parts High Ai...

Страница 91: ...hanical Utility REV WT 94D39901 F UNLESS NOTED OTHERWISE X 25 THIRD ANGLE PROJECTION PRODUCTION DESIGNATION 39 Z 1 PROPRIETARY NOTICE SCALE 1 16 33 0 37 5 23 0 FRONT TEST TEMPERATURE RTD2 TEST PRESSURE TR5 0 1 2 3 4 5 6 7 8 9 THUNDER SCIENTIFIC CORPORATION 3900 LOW HUMIDITY GENERATOR TEST TEMPERATURE TEST PRESSURE ENTER 7 0 3 0 30 0 CONDITIONED GAS OUTLET FILL PORT PURE WATWE ONLY MAIN AC POWER SW...

Страница 92: ...ERMISSION FISCHER 4 4 1995 4 4 1995 4 4 1995 3900 Component Locations REV WT 94D39902 E UNLESS NOTED OTHERWISE X 25 THIRD ANGLE PROJECTION PRODUCTION DESIGNATION 39 Z 2 PROPRIETARY NOTICE 293 46 SCALE 1 16 1 INTERPRET DRAWING PER ASME Y14 100 2013 2 INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14 5 2009 3 ALL UNITS ARE INCHES U N O NOTES LEFT SIDE FRONT RIGHT SIDE TOP GAS INLET FILTER SUPPLY PRES...

Страница 93: ...ATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES 50 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT WRITTEN PERMISSION FISCHER 3 31 1995 4 4 1995 4 4 1995 3900 Cards Card Cage REV WT 95D39903 E UNLESS NOTED OTHERWISE X 25 THIRD ANGLE PROJECTION PRODUCTION DESIGNATION 39 Z 3 SCAL...

Страница 94: ...WN REV DESCRIPTION DATE APPROVED DWF D Drawn to SW 8 14 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT WRITTEN PERMISSION FISCHER 3 29 1995 4 4 1995 4 4 199...

Страница 95: ... CN13 CN14 CN15 N A SIDE VIEW H3 CN31 SSR1 REVISIONS DWN REV DESCRIPTION DATE APPROVED DWF F Drawn to SW 8 14 2013 DWF G Added SSR1 for 10 SLPM Option 1 19 2015 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTI...

Страница 96: ...REVISIONS DWN REV DESCRIPTION DATE APPROVED DWF G Drawn to SW 8 20 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT WRITTEN PERMISSION FISCHER 3 29 1995 4 4 1...

Страница 97: ...2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 3 25 1995 4 4 1995 4 4 1995 3900 REV WT UNLESS NOTED OTHERWISE XXX 010 TH...

Страница 98: ...TO 26 PIN CONNECTOR CONTROL INPUT SIDE OUTPUT SIDE 8 9 7 6 5 2 1 10 11 12 13 14 15 16 5 COM SSR1 4 3 3 4 H3 AUX EXPANSION VALVE HEATER 31 2 Ω TOTAL REVISIONS DWN REV DESCRIPTION DATE APPROVED DWF J Drawn to SW 9 19 2013 DWF K Revised 10 SLPM Option Heaters 1 20 2015 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 50 Thunder Scientific Corporation 62...

Страница 99: ...ATE APPROVED DWF F Drawn to SW 8 21 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 3 30 1995 4 4 1995 4 4 1995 3900 REV ...

Страница 100: ... REV DESCRIPTION DATE APPROVED DWF E Drawn to SW 8 22 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 3 30 1995 4...

Страница 101: ...DWN REV DESCRIPTION DATE APPROVED DWF E Drawn to SW 8 22 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 3 30 1995 4...

Страница 102: ...CH 1 CH 3 15 VDC COMMON 15 VDC ATB CN16 CN17 CN18 t REVISIONS DWN REV DESCRIPTION DATE APPROVED DWF E Drawn to SW 9 20 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR R...

Страница 103: ...D Drawn to SW 9 20 2013 SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 3 31 1995 4 4 1995 4 4 1995 3900 REV WT UNLESS...

Страница 104: ...DIRECTION 1 2 3 4 5 6 7 8 9 NC TxD RxD DSR SIG GND DTR RTS CTS NC NC TxD RxD DSR SIG GND DTR RTS CTS NC CONSOLE PORT DOES NOT SUPPORT RTS CTS PINS 7 8 ARE STRAPPED TOGETGRE WITHIN THE UNIT 3900 DOES NOT SUPPORT DSR DTR SIGNALS PINS 4 6 ARE STRAPPED TOGETHER WITHIN THE UNIT FOR THE USE OF PERIPHERAL EQUIPMENT PRINTER CONNECTION COMPUTER CONNECTION TO CONNECT A SERIAL PRINTER TO THE PRINTER PORT USE...

Страница 105: ... 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 03 07 1995 04 04 1995 04 04 1995 3900 Pneumatic System Generate Mode REV WT 95S3...

Страница 106: ... 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES XXX 010 50 Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED WITHOUT SPECIFIC WRITTEN PERMISSION FISCHER 30 07 1995 04 04 1995 04 04 1995 3900 Pneumatic System Purge Mode REV WT 95S3991...

Страница 107: ...rawing and Information Contained Within is Proprietary to Thunder Scientific and cannot be Copied or Reproduced without Written Permission DWN DWN DWN DWN REVISIONS REVISIONS REVISIONS REVISIONS REV REV REV REV DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION DATE DATE DATE DATE APPR APPR APPR APPROV OV OV OVED ED ED ED 1 OF 1 DWF E 08 12 22 Redrawn in Solid Edge 39 Z 17 Fischer 08 12 2 3900 PROPRI...

Страница 108: ...g and Information Contained Within is Proprietary to Thunder Scientific and cannot be Copied or Reproduced without Written Permission DWN REVISIONS REV DESCRIPTION DATE APPROVED FOR DETAILED ASSEMBLY INSTRUCTIONS REFER TO 1 OF 1 NONE Fischer 08 06 23 3900 PROPRIETARY NOTICE A D 95S39918 SCHEMATIC TEST TEMPERATURE PROBE TEST PRESSURE TRANSDUCER 39 Z 18 TR5 0 50 PSIA 0 150 PSIA TEST PRESSURE RTD2 TE...

Страница 109: ...V DWG NO SHEET WEIGHT SCALE DWG SIZE X XX XXX 015 010 005 0 50 NOTES 1 INTERPRET DRAWING PER ASME Y14 100 2004 2 INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14 5M 1994 3 INTERPRET WELDS PER AWS A2 4 2007 4 ALL UNITS ARE IN INCHES UNLESS OTHERWISE SPECIFIED 5 REMOVE ALL BURRS AND SHARP EDGES 6 TREATMENT 7 FINISH 3900 Card Cage Schematic 08S39921 08 09 22 08 09 22 SEE NOTE 7 NOTE 6 08 05 15 NTS PA...

Страница 110: ... RSLHG RU 5HSURGXFHG ZLWKRXW ULWWHQ 3HUPLVVLRQ 1 5 9 6 216 5 9 6 5 37 21 7 33529 FOR DETAILED ASSEMBLY INSTRUCTIONS REFER TO 1 OF 1 121 Furry 3900 35235 7 5 127 A METHANOL FULL LEVEL SECTION A A NOTE ALL FITTINGS MUST BE TIGHT OPEN ONLY WHEN SATURATION TEMPERATURE IS AT OR ABOVE 12 C ADD METHANOL ONLY WHEN SYSTEM IS AT ROOM TEMPERATURE SLOWLY ADD METHANOL TO METHANOL EXPANSION TANK UNTIL METHANOL ...

Страница 111: ...bing with pre swaged 1 ferrules into fitting body 2 Tighten nut by hand Then tighten with a wrench an additional 1 8th turn SHEET 1 OF 1 DWG NO A DRAWN APPLICATION USED ON NEXT ASSY SIZE CHECKED ISSUED TOLERANCES Thunder Scientific Corporation 623 Wyoming S E Albuquerque NM 87123 THIS DRAWING AND INFORMATION CONTAINED WITHIN IS PROPRIETARY TO THUNDER SCIENTIFIC AND CANNOT BE COPIED OR REPRODUCED W...

Страница 112: ...re PT Returns current value of actual Test Pressure PV Returns current value of generated PPMv PW Returns current value of generated PPMw RH Returns current value of generated RH SP Returns current system setpoint values TS Returns current value of actual Saturation Temperature TT Returns current value of actual Test Temperature Action Commands GEN Changes system to generate mode PRI Prints system...

Страница 113: ...Date Format type ER Returns Error code MW Returns Molecular Weight MW Sets Molecular Weight PI Returns Print Interval PI Sets Print Interval PR Returns Print On Off status PR Sets Print On Off status PU Returns Pressure Units type PU Sets Pressure Units type RU Returns Run status TF Returns Cabinet Fan Temperature TI Returns the system time WM Returns WMO calculation status WM Sets WMO calculation...

Страница 114: ...nt C 3 PPMv 4 PPMw 5 RH 6 Saturation Pressure in current system units 7 Saturation Temperature C 8 Test Pressure in current system units 9 Test Temperature C 10 Flow Rate l m 11 System Status The System Status parameter item 11 above indicates the system s generation status The three possible returned values are as follows VALUE DESCRIPTION 0 System is idle 1 System is running 1 System is purging ...

Страница 115: ...ently running last item in the list 1 and the generated values are Frost Point 10 C Dew Point 11 23 C PPMv 2581 PPMw 1606 RH 10 39 Sat Pressure 34 73 psiA Sat Temperature 0 01 C Test Pressure 14 7 psiA Test Temperature 21 1 C Flow Rate 0 5 l m See Also GEN PU PU PUR RU SP STO ...

Страница 116: ...tes Firmware Ver 2 0 or newer Syntax CL CLEAR Parameters None Remarks Data Returned CL returns the number of saturator clear cycles left to complete Examples The CL command is used to request the number of saturator clears left to complete computer sends CL CR 3900 responds 0 CR LF The 0 returned indicates that there are no more clear cycles left to complete See Also CL PUR ...

Страница 117: ...to a purge mode Remarks Data Returned None The only response is a carriage return linefeed terminator If the generator is not in a purge mode then the carriage return linefeed terminator will be returned but the command will not be processed Examples The CL value command is used to set the number of clear cycles to five assuming the generator is currently in the purge mode computer sends CL 5 CR 3...

Страница 118: ...Parameters None Remarks Data Returned DA returns the system date in the current date format Examples The DA command is used to request the current date assuming the system is using the default US date format computer sends DA CR 3900 responds 10 11 95 CR LF The date returned indicates that the system date is 11 October 1995 See Also DF DF TI ...

Страница 119: ... Returned DF returns one of two values to indicate the current date format The two possible returned values are as follows VALUE DESCRIPTION 0 US date format mm dd yy 1 European date format dd mm yy Examples The DF command is used to request the current date format computer sends DF CR 3900 responds 0 CR LF The 0 returned indicates that the system is using the US date format mm dd yy See Also DF ...

Страница 120: ...ystem to default to the US date format Remarks Data Returned None The only response is a carriage return linefeed terminator Saving Changes to Non Volatile Memory The DF value command only temporarily changes the date format Changes will be lost on power down of the system or when switching to the Edit or Cal mode using the front panel keypad To save the changes permanently use the SAV command Exa...

Страница 121: ... or newer Syntax DP Parameters None Remarks Data Returned The value returned is the Dew Point value in C calculated from the current generator values for Ts Ps Tt and Pt Examples The DP command is used to request the current Dew Point value computer sends DP CR 3900 responds 10 5 CR LF The generator is currently generating a Dew Point of 10 5 C See Also ...

Страница 122: ... Mode Changed Sending DP setpoint also changes the control mode to Dew Point mode 1 In this mode PPMv PPMw RH and Saturation Pressure setpoints vary as system temperatures and pressures change Data Returned None The only response is a carriage return linefeed terminator Examples The DP setpoint command is used to set the Dew Point setpoint to 10 C computer sends DP 10 CR 3900 responds CR LF The CR...

Страница 123: ...eference Temperature Overrange 64 Test Temperature Underrange 80 Test Temperature Overrange 128 Saturation Temperature Underrange 144 Saturation Temperature Overrange 512 Test Pressure Underrange 768 Test Pressure Overrange 1024 Low Range Saturation Pressure Underrange 1280 Low Range Saturation Pressure Overrange 2048 High Range Saturation Pressure Underrange 2304 High Range Saturation Pressure Ov...

Страница 124: ...tes Firmware Ver 2 0 or newer Syntax FL Parameters None Remarks Data Returned The value returned is the current value of the Flow Rate in liters minute Examples The FL command is used to request the current Flow Rate computer sends FL CR 3900 responds 3 027CR LF The current flow rate is 3 027 l min See Also ...

Страница 125: ...Parameters setpoint The setpoint value is the Flow rate in l m that the system should control at Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The FL setpoint command is used to set the Flow Rate setpoint to 0 5 l m computer sends FL 5 CR 3900 responds CR LF The CR LF response signifies completion of the command See Also SP ...

Страница 126: ...arks Data Returned The value returned is the Frost Point value in C calculated from the current generator values for Ts Ps Tt and Pt Frost Point values that are above 0 C are most likely invalid use Dew Point Examples The FP command is used to request the current Frost Point value computer sends FP CR 3900 responds 27 5 CR LF The generator is currently generating a Frost Point of 27 5 C See Also ...

Страница 127: ...l Mode Changed Sending FP setpoint also changes the control mode to Frost Point mode 0 In this mode PPMv PPMw RH and Saturation Pressure setpoints vary as system temperatures and pressures change Data Returned None The only response is a carriage return linefeed terminator Examples The FP setpoint command is used to set the Frost Point setpoint to 10 C computer sends FP 10 CR 3900 responds CR LF T...

Страница 128: ...mware Ver 2 0 or newer Syntax GEN GENERATE Parameters None Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The GEN command is used to start the system computer sends GEN CR 3900 responds CR LF The CR LF response will be delayed several seconds until the system start up is complete See Also PUR STO ...

Страница 129: ...as the molecular weight of the carrier gas in g mol The molecular weight of the carrier gas is used by the system when calculating PPMw from the fundamental measurements of Ts Ps Tt and Pt Examples The MW command is used to request the current Molecular Weight value computer sends MW CR 3900 responds 28 CR LF The 28 00 g mol returned indicates that the system is most likely using Nitrogen N2 as th...

Страница 130: ...mporarily changes the value used as the molecular weight of the carrier supply gas Changes will be lost on power down of the system or when switching to the Edit or Cal mode using the front panel keypad To save the changes permanently use the SAV command Validity of Enhancement Factors The Molecular Weight does not alter the Enhancements Factors in any way or compensate for variations in solubilit...

Страница 131: ...ewer Syntax PG Parameters None Remarks Data Returned The value returned is the current value of the Gas Supply Pressure in current system units Examples The PG command is used to request the current Gas Supply Pressure value assuming the system units are in psi computer sends PG CR 3900 responds 259 3 CR LF The current gas supply pressure is 259 3 psiG ...

Страница 132: ...ta Returned PI returns the value currently being used as the print interval in seconds Examples The PI command is used to request the current print interval computer sends PI CR 3900 responds 300 CR LF The 300 seconds returned indicates that the system will send a line of data to the printer that is connected to the systems printer port once every five minutes See Also PI ...

Страница 133: ...ed None The only response is a carriage return linefeed terminator Saving Changes to Non Volatile Memory The PI value command only temporarily changes the value used as the Print interval Changes will be lost on power down of the system or when switching to the Edit or Cal mode using the front panel keypad To save the changes permanently use the SAV command Examples The PI value command is used to...

Страница 134: ...PR Parameters None Remarks Data Returned PU returns an integer value indicating the print function is on or off The printer status values are as follows VALUE DESCRIPTION 0 Print is off 1 Print is on Examples The PR command is used to request the current print function status computer sends PU CR 3900 responds 1 CR LF The 1 returned indicates that the print function is on See Also PR ...

Страница 135: ...meters value The value corresponds to the following VALUE DESCRIPTION 0 Print off 1 Print on Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The PR value command is used to turn on the generators print function computer sends PR 1 CR 3900 responds CR LF The CR LF response signifies completion of the command See Also PR ...

Страница 136: ...s of the 3900 Operations Manual to review and edit parameters Syntax PRI PRINT Parameters None Remarks Data Returned None The only response is a carriage return linefeed terminator If the system is not running or no printer is connected printing will not take place but the carriage return linefeed terminator will still be sent back Examples The PRINT command is used to send a line of data to the p...

Страница 137: ... Syntax PS Parameters None Remarks Data Returned The value returned is the current value of the Saturation Pressure in current system units Examples The PS command is used to request the current Saturation Pressure value assuming the system units are in psi computer sends PS CR 3900 responds 150 CR LF The saturation pressure is currently 150 psiA See Also ...

Страница 138: ...g PS setpoint also changes the control mode to Saturation Pressure mode 5 In this mode Frost Point Dew Point PPMv PPMw and RH setpoints vary as system temperatures and test pressure change Data Returned None The only response is a carriage return linefeed terminator Examples The PS setpoint command is used to set the Saturation Pressure setpoint to 121 4 psiA assuming current system pressure units...

Страница 139: ...returned is the current value of the Test Pressure in current system units If the external pressure transducer is not connected then this value is the test pressure setpoint value Examples The PT command is used to request the current Test Pressure assuming current system pressure units are set to psi computer sends PT CR 3900 responds 14 7 CR LF The test pressure is currently 14 7 psiA See Also ...

Страница 140: ...units that the system should use for calculations when the external pressure transducer is not connected Remarks Data Returned None The only response is a carriage return linefeed terminator Examples PT setpoint command is used to set the Test Pressure default to 14 psiA assuming current system pressure units are set to psi computer sends PT 14 CR 3900 responds CR LF The CR LF response signifies c...

Страница 141: ...ed PU returns an integer value indicating which of the 3 possible pressure unit types the system is using The Pressure unit types are as follows VALUE DESCRIPTION 0 psi pounds per square inch 1 bar 2 hPa hectoPascals Examples The PU command is used to request the current pressure units type computer sends PU CR 3900 responds 2 CR LF The 2 returned indicates that the system is operating in hPa hect...

Страница 142: ...ned None The only response is a carriage return linefeed terminator Saving Changes to Non Volatile Memory The PU value command only temporarily changes the pressure units type Changes will be lost on power down of the system or when switching to the Edit or Cal mode using the front panel keypad To save the changes permanently use the SAV command Examples The PU value command is used to set the pre...

Страница 143: ...Firmware Ver 2 0 or newer Syntax PUR PRG PURGE Parameters None Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The PUR command is used to start the system in the purge mode computer sends PUR CR 3900 responds CR LF The CR LF response will be delayed several seconds until system purge mode configuration is complete See Also GEN STO ...

Страница 144: ...Ver 2 0 or newer Syntax PV Parameters None Remarks Data Returned The value returned is the PPMv value calculated from the current generator values for Ts Ps Tt and Pt Examples The PV command is used to request the current PPMv value computer sends PV CR 3900 responds 2485 368 CR LF The generator is currently generating 2485 368 parts per million by volume See Also ...

Страница 145: ...d Sending PV setpoint also changes the control mode to PPMv mode 2 In this mode Frost Point Dew Point RH and Saturation Pressure setpoints vary as system temperatures and pressures change Data Returned None The only response is a carriage return linefeed terminator Examples The PV setpoint command is used to set the PPMv setpoint to 2500 computer sends PV 2500 CR 3900 responds CR LF The CR LF resp...

Страница 146: ...PW Parameters None Remarks Data Returned The value returned is the PPMw value calculated from the current generator values for Ts Ps Tt Pt and the molecular weight of the gas type being used Examples The PW command is used to request the current PPMw value computer sends PW CR 3900 responds 1546 249 CR LF The generator is currently generating 1546 249 parts per million by weight See Also ...

Страница 147: ...d Sending PW setpoint also changes the control mode to PPMw mode 3 In this mode Frost Point Dew Point RH and Saturation Pressure setpoints vary as system temperatures and pressures change Data Returned None The only response is a carriage return linefeed terminator Examples The PW setpoint command is used to set the PPMw setpoint to 1000 computer sends PW 1000 CR 3900 responds CR LF The CR LF resp...

Страница 148: ...ntax RH Parameters None Remarks Data Returned The value returned is the RH value calculated from the current generator values for Ts Ps Tt and Pt as defined by the RH calculation method Examples The RH command is used to request the current RH value computer sends RH CR 3900 responds 10 CR LF The generator is currently generating 10 RH See Also WM WM ...

Страница 149: ...Sending RH setpoint also changes the control mode to RH mode 4 In this mode Frost Point Dew Point PPMv PPMw and Saturation Pressure setpoints vary as system temperatures and pressures change Data Returned None The only response is a carriage return linefeed terminator Examples The RH setpoint command is used to set the RH setpoint to 10 computer sends RH 10 CR 3900 responds CR LF The CR LF respons...

Страница 150: ...es to indicate whether or not the system is currently generating purging or idle The three possible returned values are as follows VALUE DESCRIPTION 0 System is idle 1 System is generating 1 System is purging Examples The RU command is used to request the current system status computer sends RU CR 3900 responds 0 CR LF The 0 returned indicates that the system is currently idle See Also GEN PUR STO...

Страница 151: ...e memory for use as system defaults Prerequisites None Syntax SAV SAVE Parameters None Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The SAVE command is used to save all changes previously made to the system parameters computer sends SAVE CR 3900 responds CR LF The CR LF response signifies completion of the command See Also DF DF MW MW PI PI PU PU W...

Страница 152: ...nt system units 7 Saturation Temperature setpoint C 8 Test Pressure setpoint in current system units 9 Test Temperature setpoint C 10 Flow Rate setpoint l m 11 Current Control Mode 0 to 5 The control mode parameter item 11 above indicates which of the six possible parameters the system is set to control on The control modes are as follows MODE DESCRIPTION 0 System controls on Frost Point 1 System ...

Страница 153: ...s are Frost Point 8 894 C Dew Point 10 C also the control mode PPMv 2846 PPMw 1771 RH 11 44 Sat Pressure 131 5 psiA Sat Temperature 10 C Test Pressure 14 7 psiA Test Temperature 21 1 C Flow Rate 0 2 l m and the Control Mode 1 Dew Point See Also DP FL FP PS PT PV PW RH TS TT ...

Страница 154: ...TO STOP Parameters None Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The STOP command is used to stop a running or purging system computer sends STOP CR 3900 responds CR LF The CR LF response will be delayed several seconds until the system is vented of pressure and the shutdown complete See Also GEN PUR ...

Страница 155: ...None Remarks Data Returned TF returns the value in whole degrees only of the cabinet fan temperature Examples The TF command is used to read the current cabinet temperature computer sends TF CR 3900 responds 30 CR LF The system indicates that the current measured cabinet temperature is 30 C At this temperature the cabinet fan should be running ...

Страница 156: ... Firmware Ver 2 0 or newer Syntax TI TIME Parameters None Remarks Data Returned TI returns the system time in hh mm ss Examples The TI command is used to request the current time computer sends TI CR 3900 responds 13 59 32 CR LF The time returned indicates that the system time is 1 59 32 PM See Also DA ...

Страница 157: ...Firmware Ver 2 0 or newer Syntax TS Parameters None Remarks Data Returned The value returned is the current value of the Saturation Temperature in degrees Celsius Examples The TS command is used to request the current Saturation Temperature computer sends TS CR 3900 responds 15 CR LF The saturation temperature is currently 15 C See Also ...

Страница 158: ...aturation Temperature setpoint to allow the generator to achieve a wider range of humidity values The only mode that the user has complete control over the Saturation Temperature is the Saturation Pressure Control mode Mode 5 If the control mode is other than mode 5 Saturation Pressure the Saturation Temperature may automatically readjust to a value required for the current humidity setpoint indep...

Страница 159: ...arks Data Returned The value returned is the current value of the Test Temperature in degrees Celsius If the external temperature probe is not connected then this value is the test temperature setpoint value Examples The TT command is used to request the current Test Temperature computer sends TT CR 3900 responds 21 1 CR LF The test temperature is currently 21 1 C See Also ...

Страница 160: ...is the Test Temperature in C that the system should use in calculations when the external temperature probe is not connected Remarks Data Returned None The only response is a carriage return linefeed terminator Examples The TT setpoint command is used to set the Test Temperature default to 25 C computer sends TT 25 CR 3900 responds CR LF The CR LF response signifies completion of the command See A...

Страница 161: ...returns one of two values to indicate the current RH calculation method The two possible returned values are as follows VALUE DESCRIPTION 0 Normal 1 WMO World Meteorological Organization Examples The WM command is used to request the WMO status computer sends WM CR 3900 responds 0 CR LF The 0 returned indicates that the system is not using the WMO Relative Humidity calculation method See Also WM ...

Страница 162: ...l method Remarks Data Returned None The only response is a carriage return linefeed terminator Saving Changes to Non Volatile Memory The WM status command only temporarily changes the RH calculation method Changes will be lost on power down of the system or when switching to the Edit or Cal mode using the front panel keypad To save the changes permanently use the SAV command Examples The WM status...

Страница 163: ...System Authorization Code 3900 This code was designed to prevent unauthorized personnel access to the calibration coefficients ...

Страница 164: ...THUNDER SCIENTIFIC CORPORATION 623 Wyoming Blvd SE Albuquerque NM 87123 3198 www thunderscientific com ...

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Thunder Scientific series 3900, Руководство по эксплуатации и обслуживанию

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