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Teledyne 3000MA, Operating Instructions Manual

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Percent Oxygen Analyzer

Maintenance   5

5-1

Teledyne Analytical Instruments

Maintenance

5.1

Routine Maintenance

Aside from normal cleaning and checking for leaks at the gas connec-

tions, routine maintenance is limited to replacing fuses, and recalibration. For
recalibration, see Section 4.4 Calibration.

WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS

MANUAL.

5.2

Fuse Replacement

1. Place small screwdriver in notch, and pry cover off, as shown in

Figure 5-1.

Figure 5-1: Removing Fuse Block from Housing

Summary of Contents for 3000MA

Page 1: ...SENT IN THIS MONITORING SYSTEM PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PER SIST FOR A TIME EVEN AFT...

Page 2: ...t of any parts in so far as such alterations do not adversely affect our warranty ImportantNotice This instrument provides measurement readings to its user and serves as a tool by which valuable data...

Page 3: ...lNumber _______________________ includesthefollowingoptions 3000MA C Inadditiontoallstandardfeatures thismodelalsohas separateportsforzeroandspangases andbuilt in controlvalves Theinternalvalvesareent...

Page 4: ...m 2 5 2 5 Electronics and Signal Processing 2 6 3 Installation 3 1 Unpacking the Analyzer 3 1 3 2 Mounting the Analyzer 3 1 3 3 Rear Panel Connections 3 2 3 3 1 Gas Connections 3 3 3 3 2 Electrical Co...

Page 5: ...ranging Analysis 4 15 4 6 3 Fixed Range Analysis 4 15 4 7 The Analyze Function 4 16 4 8 Signal Output 4 16 Maintenance 5 1 Routine Maintenance 5 1 5 2 Fuse Replacement 5 1 5 3 System Self Diagnostic T...

Page 6: ...eaks always exist The customer should ensure that the principles of operating of this equipment is well understood by the user Misuse of this product in any manner tampering with its components or una...

Page 7: ...2 Typical Applications A few typical applications of the Model 3000MA are Monitoringinertgasblanketing Airseparationandliquefaction Chemicalreactionmonitoring Semiconductormanufacturing Petrochemicalp...

Page 8: ...lurealarm Extensive self diagnostic testing at startup and on demand with continuouspower supplymonitoring Two way RFI protection RS 232 serial digital port for use with a computer or other digital co...

Page 9: ...n a rugged metal case with all con trols and displays accessible from the front panel See Figure 1 1 The front panel has thirteen buttons for operating the analyzer a digital meter an alphanumeric dis...

Page 10: ...mains returns to the Analyze screen Escape Moves VFD display back to the previous screen in a series If none remains returns to the Analyze screen Digital Meter Display The meter display is a LED devi...

Page 11: ...RK background with GREEN characters In the case of VFD NO CONTRAST ADJUSTMENT IS NEEDED 1 7 Rear Panel Equipment Interface The rear panel shown in Figure 1 2 contains the gas and electrical connectors...

Page 12: ...ing calibrated and readings are not monitoring sample Range ID Contacts Four separate dedicated range relay contacts Low Medium High Cal Network For future expansion Not implemented atthisprinting Opt...

Page 13: ...ns for the analyzer 2 2 Precise Paramagnetic Sensor 2 2 1 Principles of Operation The heart of the 3000MA is a paramagnetic type oxygen sensor that is maintanance free and has a long lifetime Oxygen h...

Page 14: ...ensor enclosure holds not only the sensing elements butthetemperaturecontrollerelectronics heatingelements sensorelectron ics and preamplifier The Electronics and heating elements require a separate p...

Page 15: ...nnected 15 24 Vdc power 2 3 Cross Interference As mentioned previously the selectivity of the measuring system is based on the extraordinarily high magnetic susceptibility of Oxygen com pared to other...

Page 16: ...CO 0 06 Nitric acid HNO3 0 43 ChlorineCl2 0 77 NitrogendioxideNO2 28 00 CyclohexaneC6 H12 1 56 Nitrous oxide NO 40 00 EthaneC2 H6 0 43 n OctaneC8 H18 2 50 EthyleneC2 H4 0 26 n PentaneC5 H12 1 45 Heliu...

Page 17: ...ream from the sensor The gases delivered to the instrument should be at constant pressures and flow rates and must exit freely into the ambient atmosphere The Span Zero and Sample gases should be deli...

Page 18: ...esigned to be compatible with any international power source Figure 2 6 shows the location of the power supply and the main electronic PC boards Figure 2 5 Location of Electronic Components The signal...

Page 19: ...calInstruments Figure 2 6 Block Diagram of the Model 3000MA Electronics Power Supply A to D Converter System Failure Alarm Displays Micro Processor Auto Range 0 1 V D to A Converter 0 1 V Concentratio...

Page 20: ...2 8 2 Operational Theory Model 3000MA TeledyneAnalyticalInstruments...

Page 21: ...nt 3 2 Mounting the Analyzer The Model 3000MA is for indoor use in a general purpose area It is NOT for use in hazardous environments of any type The standard model is designed for flush panel mountin...

Page 22: ...arrow gauge tool less than 0 18 inch wide such as a small hex wrench or screwdriver Allow clearance for the door to open in a 90 degree arc of radius 7 125 inches See Figure 3 2 Figure 3 2 Required Fr...

Page 23: ...ictor without the blue sticker is for low pressure and vacuum service For high pressure 1 to 15 psig applica tions use the restrictor that has a blue sticker on the body For pressurized service use th...

Page 24: ...analyzer input Note If the unit is for vacuum service the above numbers apply instead to the vacuum at the EXHAUST OUT connector de scribed below with minus signs before the pressure readings EXHAUST...

Page 25: ...ed The fuses are not installed at the factory Be sure to install the proper fuse as part of installation See Fuse Replacement in chapter 5 maintenance Analog Outputs There are four DC output signal co...

Page 26: ...shold or low actuates when concentrationisbelowthreshold Can be configured as failsafe or nonfailsafe Can be configured as latching or nonlatching Can be configured out defeated Threshold Alarm 2 Can...

Page 27: ...yzer is spanning and or zeroing See Remote Calibration Protocol below Remote Calibration Protocol To properly time the Digital Remote Cal Inputs to the Model 3000MA Analyzer the customer s controller...

Page 28: ...s printing this port is not yet functional RS 232 Port The digital signal output is a standard RS 232 serial communications port used to connect the analyzer to a computer terminal or other digital de...

Page 29: ...ich has no Remote Probe Unit Instead the Remote Probe connector is used as another method for controlling external sample zero span gas valves See Figure 3 6 Figure 3 6 Remote Probe Connector Pinouts...

Page 30: ...acy of the gas connections Make sure there are no leaks Check the integrity and accuracy of the electrical connections Make sure there are no exposed conductors Check that sample pressure is between 3...

Page 31: ...e analysis ranges Then choose autoranging or select a fixed range of analysis as required Set alarm setpoints and modes of alarm operation latching failsafe etc Before you configure your 3000MA these...

Page 32: ...percent of oxygen and warns of any alarm conditions System The system function consists of six subfunctions that regulate the internal operations of the analyzer Set LCD screen contrast Setup Auto Ca...

Page 33: ...procedures for their use follow the descriptions Auto Cal Used to define an automatic calibration sequence and or start an Auto Cal PSWD Security can be established by choosing a 5 digit password PSW...

Page 34: ...changed back to TBEAI Logout Logging out prevents an unauthorized tampering with analyzersettings More Select and enter More to get a new screen with additional subfunctionslisted Self Test The instru...

Page 35: ...et OFF to ON if a zero interval is entered A Span Every or Zero Every screen appears Span Every 0 d Start 0 h from now Use arrows to set an interval value then use arrows to move to the start time val...

Page 36: ...the blinking over to PSWD and press Enter to select the password function Either the default TBEAI password or AAAAA place holders for an existing password will appear on screen depending on whether...

Page 37: ...sting pass word and move on If you chose Enter to change the password the password assignment screenappears T B E A I ENT To Proceed or A A A A A ENT To Proceed Enter the password using the arrow keys...

Page 38: ...L 1 Note If you log off the system using the logout function in the system menu you will now be required to re enter the password to gain access to Span Zero Alarm and Range functions 4 3 4 Logout Th...

Page 39: ...Use the arrow keys to blink More then press Enter Version Self Test Cell Output A Use the arrow keys again to move the blinking to the Self Test function The screen will follow the running of the dia...

Page 40: ...0 900 CC MIN If you are using password protection you will need to enter your password to gain access to either of these functions Follow the instructions in section 4 3 3 to enter your password Once...

Page 41: ...s Then the instrument automatically returns to the analyze mode 4 4 1 2 ManualModeSpanning Press Span to start the Span function The screen that appears allows you to select whether the span calibrati...

Page 42: ...cluded at the back of this manual for relay terminal connections The system failure alarm has a fixed configuration described in chapter 3Installation The concentration alarms can be configured from t...

Page 43: ...efeat alarm mode is incorporated into the alarm circuit so that maintenance can be performed under conditions which would normally activate the alarms The defeat function can also be used to reset a l...

Page 44: ...h the DC analog outputs If no custom ranges are defined by the user the instrument defaults to Low 0 1 00 Med 0 5 00 High 0 10 00 The Model 3000MA is set at the factory to default to autoranging In th...

Page 45: ...or use the arrow buttons to change back to Auto When operating in autoranging if the oxygen concentration in your sample goes ABOVE your HIGHEST range setting the analyzer will go into the special 25...

Page 46: ...that particular range the output saturates at 1 V dc However the digital readout and the RS 232 output continue to read the true value of the oxy gen concentration regardless of the analog output ran...

Page 47: ...nalog output signal has a voltage which depends on the oxygen concentration AND the currently activated analysis range To relate the signal output to the actual concentration it is necessary to know w...

Page 48: ...4 Operation Model 3000MA 4 18 Teledyne Analytical Instruments...

Page 49: ...ing for leaks at the gas connec tions routine maintenance is limited to replacing fuses and recalibration For recalibration see Section 4 4 Calibration WARNING SEE WARNINGS ON THE TITLE PAGE OF THIS M...

Page 50: ...merican Fuses European Fuses Figure 5 2 Installing Fuses 5 3 System Self Diagnostic Test 1 Press the System button to enter the system mode 2 Use the arrow keys to move to More and press Enter 3 Use t...

Page 51: ...as piping is illustrated in Figure 2 4 and the major electronic components locations are shown in Figure 2 5 in chapter 2 WARNINGS See warnings on the title page of this manual The 3000MA contains the...

Page 52: ...accurate fashion Solution Turn the analyzer off then back on again Press the System key when prompted by the analyzer Press System for default Values This will return the analyzer to its default setti...

Page 53: ...77 F Ranges Threeuserdefinablerangesfrom0 1 to 0 100 plus air calibration range of 0 25 Alarms One system failure alarm contact to detect powerfailure Twoadjustableconcentrationthresholdalarms withful...

Page 54: ...lt analysis ranges once thermal equilibrium has been reached Analog outputs 0 1 V dcpercent of range Standard 0 1 V dc range ID Standard 4 20 mA dc isolated percent of range Optional 4 20 mA dc isolat...

Page 55: ...Molex Connector for Remote Probe 1 T976 Molex Crimp Terminals for Remote Probe Connector 2 F73 Ferrule1 4 SS 2 F74 Ferrule 1 4 SS 2 N73 Nut 1 4 SS 1 A68729 RestrictorKit 1 V11 Union SS 1 4 NOTE Order...

Page 56: ...dix Model 3000MA Teledyne Analytical Instruments Figure A 1 Single and Dual 19 Rack Mounts A 3 Drawing List D 71698 Outline Drawing B 71699 PipingDiagram A 4 19 inch Relay Rack Panel Mount 5 75 8 72 5...

Page 57: ...toggle between AUTO and MAN zero settling Stop when AUTO appears blinking on the display Zero Settling AUTO ENT To Begin Press Enter to begin zeroing Zero Slope ppm s The beginning zero level is show...

Page 58: ...as Slope a value in parts per million per second ppm s Zero Slope ppm s NOTE It takes several seconds for the true Slope value to display Wait about 10 seconds Then wait until Slope is sufficiently cl...

Page 59: ...A 7 Percent Oxygen Analyzer Appendix Teledyne Analytical Instruments...

Page 60: ...Health and Safety Extension 230 Date Prepared 04 26 95 Section I Product Identification Section III Physical Chemical Characteristics Section II Hazardous Ingredients Composition Material or Component...

Page 61: ...tion Will not occur Conditions to Avoid Routes of Entry Inhalation Highly unlikely Ingestion May be fatal if swallowed Skin The electrolyte potassium hydroxide is corrosive skin contact may cause irri...

Page 62: ...s and remove all contaminated clothing Get medical attention immedi ately If ingested give large amounts of water and DO NOT INDUCE VOMITING Obtain medical attention immedi ately If inhaled remove to...

Page 63: ...Q Hazardous Waste Solid N O S Lead Class 9 NA3077 PG III Follow all Federal State and Local regulations Section X References Material Safety Data Sheets from J T Baker Chemical Aldrich Malinckrodt ASA...

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