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Local Operation

Menu

4-9

Menu | Setup — Units

In addition to the standard units of measure provided by the PPI, four user-defined units

are available. To create a user-defined unit, the user enters a

name

that is one to ten

characters long and a

conversion factor

that is a multiple of kiloPascals (kPa).

For example, using the information from Table 2-1, the conversion factor for millitorr or

one micron of mercury at 0

C is calculated as follows.

kPa

psi

mmHg

Torr

mTorr

kPa

mTorr

1450377

0193377

1000

thus the conversion factor simplifies to

6180

7500

kPa

mTorr

4-11.bmp

Figure 4-11. Menu | Setup | Units - Menu

The pressure units are defined from the Units | Define | Menu. From the Main Menu

(press PREVIOUS until the Main Menu appears) press Menu [F6] | Setup [F2] |

Units [F3].

Use the rotary knob to highlight the desired user-defined unit, and then select the

Edit Name [F1] function key.

The following sequence is used to change the name of the selected unit.

4-12.bmp

Figure 4-12. Menu | Setup | Units | Edit Name - Menu

Содержание RUSKA 7050

Страница 1: ...uke Corporation All rights reserved Printed in USA Specifications are subject to change without notice All product names are trademarks of their respective companies RUSKA 7050 7050i 7050LP Precision...

Страница 2: ...vice center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no...

Страница 3: ...7050 Change Language Hold key for 5 seconds mode enter...

Страница 4: ......

Страница 5: ...2 Symbols Used in this Manual 1 2 General Information 1 3 Features 1 3 Fused Quartz Bourdon Tube Technology 1 3 Mercury Free 1 3 NIST Traceability 1 3 Universal Power Supply 1 3 Friendly Display 1 4 A...

Страница 6: ...ction 2 9 Zero Coefficients 2 9 Range Coefficients 2 9 3 Installation 3 1 Introduction 3 1 Unpacking the PPI 3 1 Cautions 3 2 Powering Up the PPI 3 2 Observing the PPI s Full Scale Rating 3 3 Pneumati...

Страница 7: ...Emulation 5 8 Serial Operation 5 8 Druck DPI 510 Emulation Command Summary 5 8 Supported Commands 5 8 Response Formats 5 9 Reset Conditions 5 9 Keyboard Entry 5 9 Notes 5 10 Format 5 10 Zeroing 5 10 R...

Страница 8: ...e Instruments 6 12 Sensor Photocell Zeroing 6 12 Fan Operation 6 15 System Software Update Procedure 6 16 Replacement Parts 6 16 7 Preparation for Storage Shipment 7 1 Introduction 7 1 Disconnecting t...

Страница 9: ...bles Table Title Page 1 1 Symbols 1 3 1 2 RUSKA 7050 PPI Options List 1 5 2 1 Conversion Factors 2 3 3 1 General Specifications and Parameters 3 2 6 1 Electronics Self Test 6 2 6 2 RUSKA 7050 PPI Part...

Страница 10: ...RUSKA 7050 7050i 7050LP Users Manual vi...

Страница 11: ...4 4 4 6 Main Menu Screen 4 5 4 7 Menu Key Functions 4 5 4 8 Menu Setup Menu 4 6 4 9 Menu Setup Limits Menu 4 6 4 10 Menu Setup User Menu 4 7 4 11 Menu Setup Units Menu 4 9 4 12 Menu Setup Units Edit N...

Страница 12: ...RUSKA 7050 7050i 7050LP Users Manual viii 7 1 Packing the PPI 7 3...

Страница 13: ...on Repair USA 1 888 99 FLUKE 1 888 993 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 675 200 China 86 400 810 3435 Japan 81 3 3434 0181 Singapore 65 738 5655 Anywhere in the world 1 425 446...

Страница 14: ...s of static electricity Maintenance personnel are often not aware that an ESDS part has been damaged or destroyed because electrostatic discharges at levels less than 4 000 volts cannot be seen felt o...

Страница 15: ...tunnel testing power plant testing and bubbler tank volume accountancy systems It is also used to monitor barometric pressures vacuum systems and differential pressure devices Features The following...

Страница 16: ...or the pneumatics and electronics Ease of Calibration Calibration may be performed either remotely or entirely from the front panel No disassembly is required and there are no potentiometers to tune O...

Страница 17: ...0 to indicate that our accredited calibration services are in compliance with all relevant requirements of ISO IEC 17025 2005 Accredited calibration certifications are now provided standard by Fluke C...

Страница 18: ...RUSKA 7050 7050i 7050LP Users Manual 1 6...

Страница 19: ...scussion of each Primary Transducer Module SENSOR SENSOR BOARD CASE TUBE Photo Sensor AC POWER FRONT PANEL POWER SUPPLY BACKPLANE BOARD MICROPROCESSOR BOARD IEEE CARD Electronic Module RS 232 IEEE 488...

Страница 20: ...he units selected by the user These factors are given in Table 2 1 Data that is subject to change after the PPI leaves the factory are held in electrically erasable programmable read only memory EEPRO...

Страница 21: ...0 0 hPa user defined hectoPascals kPa x 10 0 FS percent of full scale IEEE 488 Interface The PPI s IEEE 488 GPIB interface card which plugs directly into the Back plane Board provides the PPI with an...

Страница 22: ...d not require an external vacuum pump to measure absolute pressures The vacuum reference option would provide a more accurate absolute measurement however it would require and external vacuum pump eva...

Страница 23: ...and Test Port become equal The Reference Port is protected by a relief valve Barometric Sensor For all Simulated Absolute instruments the Reference Port is monitored by a precision barometric sensor...

Страница 24: ...in its zero position thus a force balance is created As pressure is applied in the helical tube the entire apparatus attempts to rotate This causes the mirror to move the reflected light spot to shin...

Страница 25: ...er due to certain mechanical characteristics of the helical tube and its supporting structure this pressure current relationship is slightly nonlinear The nonlinear portion of this pressure current re...

Страница 26: ...oven When operating the system in either a very cold or hot environment if the oven in unable to maintain the temperature of the internal oven the PPI will generate an Oven Control Failure error mess...

Страница 27: ...s CsH Zero correction for High FSR Full Scale Resistors Value is in counts 7 381 975 full scale of current sensor CsL Zero correction for Low FSR Value is in counts 7 381 975 full scale of low FSR HsZ...

Страница 28: ...e the next higher range will be used if possible 7 381 975 full scale of current range KnL Zero corrected counts for lower limit of range When the zero corrected counts from the A D are below this val...

Страница 29: ...tion report user specified instrument options If necessary report any shipping damage to the freight agency Remove all shipping and packing materials including the shipping plugs from all components I...

Страница 30: ...apply more than 120 of the PPI s full scale as a pressure supply Pressure supply must be regulated and meet all criteria as stated in Appendix A of this manual Never apply more than 110 of the PPI s...

Страница 31: ...he test port Excessive leaks in the test volume will cause measurement errors in the device under test Tubing connected from the test port to the load volume should have an internal diameter greater t...

Страница 32: ...RUSKA 7050 7050i 7050LP Users Manual 3 4...

Страница 33: ...s between units of measure MODE changes between modes of operation such as gauge and absolute MEASURE is used to place the unit into measure mode CLEAR key will clear the numeric entry field The ENTER...

Страница 34: ...to a lower menu press the function key with the correct label To move towards the main menu press the PREVIOUS key Setup Lim its User Units Menu Enter M enu State Enter Setup M enu Set high low slew l...

Страница 35: ...3 bmp Figure 4 3 Main Menu Figure 4 3 shows the Main Menu It is at the top level of the menu tree see Figure 4 2 and all descriptions in this manual start from this point The double sized numbers in t...

Страница 36: ...he ENTER key to select that language Selecting Mode of Operation The 7050 PPI is offered in three different modes These are gauge only absolute only and simulated absolute which operates in both gauge...

Страница 37: ...displays the measured pressure in double sized numbers Below the pressure reading is the current unit of measure and mode Gauge Differential or Absolute The Main Menu can always be reached by repeated...

Страница 38: ...enu High Limit The High Limit User Defined Maximum Pressure Limit is often set just over the full scale pressure of the device under test DUT in order to protect the DUT The PPI will then prevent the...

Страница 39: ...is set to any number other than zero factory default it is required before the user is allowed to change the limits control parameters or programs Note It is recommended that the access password be r...

Страница 40: ...pressure medium and to correct for head pressure variances between the reference port of the PPI and the DUT Pressure Filter Pressure filter is used to adjust the degree to which the front display pr...

Страница 41: ...calculated as follows kPa psi x psi C mmHg x C mmHg Torr x Torr mTorr x kPa mTorr 1 1450377 0 0193377 0 0 1 0 1 1 1 1000 thus the conversion factor simplifies to 6180 7500 x kPa mTorr 4 11 bmp Figure...

Страница 42: ...creen is where the remote communication interface is set up 4 13 bmp Figure 4 13 Menu Setup Remote Menu GPIB Address Sets the IEEE 488 interface address Protocol The Protocol defines which protocol sh...

Страница 43: ...date turn the rotary knob until Date is highlighted Use the numeric keypad to enter the current four digit year month and day yyyymmdd All digits must be entered Press ENTER to accept 3 To set the sy...

Страница 44: ...ser to protect access to PPI calibration constants and the calibration procedure If the calibration password is set to any number other than zero it is required before the user is allowed to calibrate...

Страница 45: ...level as indicated by the vacuum gauge and then the zeroing procedure completes Refer to Chapter 6 Maintenance of the manual for more detailed information regarding the zeroing procedure of the PPI M...

Страница 46: ...us of the various valve positions in the system This menu is primarily used for diagnostics and will be discussed further in Chapter 6 Maintenance Menu Display The Menu Display is used to conveniently...

Страница 47: ...mmands for Programmable Instruments IEEE 488 The following identification codes define the interface capabilities of the PPI Identification codes are described in the IEEE 488 standard SH1 Source Hand...

Страница 48: ...ically disable local operation The remote interface may be active while local operations are being done In cases where full remote control is required the following methods may be used 1 Issue a Local...

Страница 49: ...nd starts at the same level of tree where the last command stopped unless the command starts with a colon The first command in a message and any commands starting with a colon start at the root of the...

Страница 50: ...te LIMit LOWer number Get Set Low Pressure Limit SLEW number Get Set Slew Rate Limit UPPer number Get Set High Pressure Limit TARE VALUE number Get Set Tare Value STATe ON OFF Set Tare state using cur...

Страница 51: ...UPPer Returns PPI Full Scale Value in Units LOWer Returns Lowest Calibrated Value REFerence HEIGht number Set Gas Head Height MEDium N2 AIR Set Gas Medium STATus OPERation EVENT Read Clear Operation E...

Страница 52: ...gisters do not show the current state but flag the bits in the condition registers that have changed since the last time the event register was read When an event register is read it is reset to zero...

Страница 53: ...s not been reached Pressure tolerance set by SOUR PRES TOL Bit 2 Reserved 0 Bit 3 Reserved 0 Bit 4 Measuring The instrument is actively measuring Bit 5 Reserved 0 Bit 7 Reserved 0 Bit 8 Self test in p...

Страница 54: ...by a carriage return hexadecimal 0D or a line feed hexadecimal 0A The responses are always terminated by a carriage return followed by a line feed The serial port also supports XON XOFF When the XOFF...

Страница 55: ...error reporting Response Formats N0 Pressure or Setpoint REM LOC RnSnDn nn N1 Pressure or Setpoint nn N2 REM LOC RnSnDnCnInFn N3 In Limit Status nn N4 nEnJnVnnnnUaaaa Note Secondary addressing is not...

Страница 56: ...the sensor is zeroed Rate If the rate is positive it will be used at the maximum rate with the overshoot set to low If the rate is zero then the maximum rate will be used with the overshoot set to lo...

Страница 57: ...ro void void write_7000 char s void request_7000 char s void main void char p Initialize GPIB Interface device ibdev 0 First GPIB Board 4 GPIB Address of 7250 NO_SAD No secondary addressing T1s 1 Seco...

Страница 58: ...printf Stable else if tstat 0 cprintf Out of Range else if tstat 0 cprintf Unstable 2d minutes tstat gotoxy 20 7 if rstat 0 cprintf Stable else if rstat 0 cprintf Out of Range else if rstat 0 cprintf...

Страница 59: ...retval 0 while kbhit ibrsp device status7 Serial poll if status7 4 0 Check error bit break retval 1 request_7000 SYST ERR n Get error message cprintf buffer return retval write_7000 write a command to...

Страница 60: ...RUSKA 7050 7050i 7050LP Users Manual 5 14...

Страница 61: ...y to the Main Menu 2 Select MENU SETUP SYSTEM The software version number will appear on the screen 3 Press PREVIOUS to return to the previous screen Preventive Maintenance Although the PPI is designe...

Страница 62: ...timer Replace processor board EEPROM Tests the nonvolatile memory Replace processor board Oven Tests operation of the sensor oven Replace sensor assy Allow oven to warm up Removing the PPI s Cover WX...

Страница 63: ...ufacturer Processor Battery The processor board uses a lithium battery to maintain time and date information This battery has a varying life If the instrument is left on 24 hours a day it may last 5 t...

Страница 64: ...environmental temperature and that the oven temperature MENU DISPLAY has been stable for at least three hours 3 Verify that the PPI is in Measure mode Chapter 4 4 If desired change the PPI s units of...

Страница 65: ...alibration standard to apply the various pressures that will be requested by the 7050 The number of pressure points required to calibrate the PPI will vary based on whether the PPI is a 7050 7050i or...

Страница 66: ...d to enter the actual pressure applied by the calibration standard and then press ENTER Do not enter the measured pressure reported by the PPI If necessary use the CLEAR key to correct a mistake in th...

Страница 67: ...a safe place Step 5 1 Press PREVIOUS to return to the Main Menu 2 Once the calibration procedure is complete the user should verify several pressure readings against the pressure standard If there are...

Страница 68: ...without removing the RPT from the PPI chassis 1 Place the PPI in Measure mode Remove all pressure sources from the system 2 Connect a pressure standard to the Reference Port of the PPI 3 If desired ch...

Страница 69: ...sensors that exist in the system you would press the Sensor F6 function key The two common sensors that would be calibrated would be the RUSKA sensor which would be labeled as Primary and if the unit...

Страница 70: ...presents several pieces of information The screen will display the current status of the pressure sensor Stability and Temperature If any of the above are unstable then the system will delay until sta...

Страница 71: ...sor press the UNIT key and then the Vacuum F2 key 2 Enter the Calibration screen by selecting MENU CALIBRATE 3 Select Zero F1 Do NOT press the Calibrate button When initiating the zeroing command in t...

Страница 72: ...overall accuracy of the system since the pressure applied to the sensor is a non zero differential pressure 5 Enter the current barometric pressure Press ENTER Sensor Photocell Zeroing If the error me...

Страница 73: ...show a number of horizontal lines The top yellow bar represents the current zero setting The bottom portion of the bar has a green bar in the center and two red bars on either end If the top yellow b...

Страница 74: ...Allen screw Now the width of the yellow line should be minimized 12 Tap on the bracket with a screwdriver handle to relieve mechanical stress Continue to tap on the bracket until the counts stop chan...

Страница 75: ...a high percentage 90 you will need to turn the fan off If you are operating in a warm environment or when multiple systems are housed in consoles without adequate ventilation the system may become too...

Страница 76: ...d both display Complete Replacement Parts The following is a list of the common replacement parts used in the RUSKA 7050 PPI Table 6 2 RUSKA 7050 PPI Parts List Part Number Description 3915651 Zeroing...

Страница 77: ...g and handling damage to the instrument adhere to and strictly follow the instructions below The governing discipline in ensuring a damage free shipment is to ensure that the possibility of handling s...

Страница 78: ...umber the purchase order number the billing and ship to address and the buyer s name and telephone number This information plus the RMA number must be attached to the unit when it is shipped to Fluke...

Страница 79: ...glc37 bmp Figure 7 1 Packing the PPI Shipping Instructions Fluke recommends using air freight for transportation Surface transportation subjects the shipment to more frequent handling and much more i...

Страница 80: ...RUSKA 7050 7050i 7050LP Users Manual 7 4...

Страница 81: ...mmon terms used are Accuracy and Precision In both cases as a minimum the manufacturers define these terms to be the combined effects of linearity hysteresis and repeatability Since the manufacturer d...

Страница 82: ...alibration If the instrument is re calibrated using a different calibration service provider than the manufacturer the uncertainty of the standard that the calibration service provider used to perform...

Страница 83: ...a three month and a yearly calibration Table A 1 Uncertainty Analysis for 7050i Three Month Analysis Uncertainty Analysis 3 Month Calibration Interval RUSKA 7050i from 25 to 100 of Range Uncertainty 2...

Страница 84: ...ding D Environmental Temperature Included in A above 0 000 of Reading Head Pressure 0 001 of Reading 2 sigma Expanded Uncertainty RSS 0 003 of Full Scale RSS with 0 0024 of Reading per 3 months Table...

Страница 85: ...elative humidity non condensing Dimensions 7 H x 16 5 W x 19 D 17 8 cm x 41 9 cm x 48 3 cm Weight 7250i 16 lb 7 25 kg Standard Pressure Units inHg at 0 C and 60 F kPa bar psi inH2O at 4 o C 20 and 25...

Страница 86: ...of each range Barometric Reference3 0 002 psi year 14 Pa year 0 002 psi year 14 Pa year N A Vacuum Reference 3 0 002 psi year 1 33 Pa year 0 002 psi year 1 33 Pa year N A 1 Precision is defined as the...

Страница 87: ...nd name is out of range 221 Settings Conflict The command could not be executed due to the current state of the DPC Some commands cannot be executed while a program self test or calibration is in prog...

Страница 88: ...then select MENU DISP Check the transistor and sensor for malfunction requesting service Chapter 7 if necessary 533 Case Pressure Overrange Select OK then reduce the pressure at the case reference po...

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