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4.1

TELEDYNE ANALYTICAL INSTRUMENTS

Installation 4.0

Installation

4.1 Location

WARNING:

This instrument is not explosion-proof or intrinsically safe,

This instrument is not explosion-proof or intrinsically safe,
and MUST NOT be used in hazardous areas.

and MUST NOT be used in hazardous areas.

The instrument should be installed where it will not be subjected to:

•

direct sunlight.

•

drafts.

•

shock and vibration.

•

temperatures below 30 °F or above 110 °F.

The analyzer should be placed as close as possible, subject to the

above conditions, to the sample point, to minimize the effects of sample
line lag time on the analysis.

An outline diagram showing the location and identification of the gas

and electrical connections, as well as the physical dimensions of the ana-
lyzer case, is included in the drawings at the rear of the manual.

4.2 Electrical Connections.

A source of single phase, 50 or 60 Hz, 110 to 120 volt power, capable

of delivering 1 ampere of current continuously, is required to operate the
analyzer. 220 volt is available upon special order.

The primary power connection is made by connecting the line cable to

the receptacle at the back of the instrument.

Use 2-conductor shielded cable (nominally #22 ga. wire size) to

interconnect the analyzer output signal with any recording equipment. The
shield should be terminated on the appropriate terminal (see interconnec-
tion diagram) at the analyzer, and be left disconnected at the recorder.

Содержание 275R

Страница 1: ...ZER I I I I INSTR NSTR NSTR NSTR NSTRUCTION UCTION UCTION UCTION UCTION M M M M MANU ANU ANU ANU ANUAL AL AL AL AL P NM51353 03 29 01 ECO 01 0115 HIGHLYTOXICANDORFLAMMABLELIQUIDSORGASESMAYBEPRESENTINTHISMONITORINGSYSTEM PERSONALPROTECTIVEEQUIPMENTMAYBEREQUIREDWHENSERVICINGTHISSYSTEM HAZARDOUSVOLTAGESEXISTONCERTAINCOMPONENTSINTERNALLYWHICHMAYPERSISTFORA TIMEEVENAFTERTHEPOWERISTURNEDOFFANDDISCONNECT...

Страница 2: ... involved in the use of the instrument or its interface with the process that all personnel involved in the use of the instrument or its interface with the process being measured be properly trained in the process itself as well as all instrumentation being measured be properly trained in the process itself as well as all instrumentation being measured be properly trained in the process itself as ...

Страница 3: ...ch 3 1 3 1 2 Zero Control 3 1 3 1 3 Span Control 3 1 3 1 4 Cell Temperature 3 1 3 1 5 Flowmeter 3 1 3 1 6 Analog Meter 3 2 3 1 7 Analog Output 3 2 3 2 Start Up 3 2 3 2 1 Preliminary 3 2 3 2 2 Flowrates 3 2 3 2 3 Calibration 3 2 4 0 INSTALLATION 4 1 Locations 4 1 4 2 Electrical Connections 4 1 4 3 Gas Connections 4 2 4 3 1 Gases 4 2 4 3 2 Vent Lines 4 2 4 4 Pressure Regulation 4 3 5 0 MAINTENANCE T...

Страница 4: ...nstrument to a pressure source greater than 30 psig 30 psig 30 psig 30 psig 30 psig This is a measurement instrument NOT NOT NOT NOT NOT a safety instrument This instrument is NOT NOT NOT NOT NOT explosion proof or intrinsically safe and MUST NOT MUST NOT MUST NOT MUST NOT MUST NOT be used in hazardous areas ...

Страница 5: ...uce the purity of H2 used in cooling which increases viscosity and reduces heat conduction the 275R has a H2 in air range in order to assist in monitoring H2 and impurity concentrations for optimum efficiency during normal operations 1 1 1 1 1 1 1 1 1 1Features Features Features Features Features The Model 275R analyzer has three ranges for purge and normal generator operation with zero and span p...

Страница 6: ...TELEDYNE ANALYTICAL INSTRUMENTS 1 2 1 0 Intr 1 0 Intr 1 0 Intr 1 0 Intr 1 0 Introduction oduction oduction oduction oduction ...

Страница 7: ... is based on being able to detect the differ ence in thermal conductivity between the gas being monitored and the known reference which in this case is helium Thermal conductivity measurements are non specific by nature which imposes certain limitations and requirements If the analyzer is to detect a specific component in a sample stream the sample must be composed of the component of interest and...

Страница 8: ...reference cell block is regulated to within 0 1 C by means of an electronic proportional controller circuit The cell block is mounted on an aluminum heater block and insulated A thermistor is used in the circuit to keep the heater block at a predetermined temperature A regulated current supply of approximately 100 milliamperes supplies stable temperature independent power to the sensor elements in...

Страница 9: ...lyzer See Appendix Appendix Appendix Appendix Appendix Specifications Specifications Specifications Specifications Specifications for the recommended zero gas 3 1 3 3 1 3 3 1 3 3 1 3 3 1 3 Span Control Span Control Span Control Span Control Span Control The span control potentiometers are used to adjust the meter to read the known concentration of a span gas present in the measuring chamber See Ap...

Страница 10: ...s than 10 000 Ω to ensure that it will not cause error in the output signal 3 2 3 2 3 2 3 2 3 2 Start Up Start Up Start Up Start Up Start Up 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1 Preliminary Preliminary Preliminary Preliminary Preliminary 1 Check that the inlet and outlet lines have been connected to the proper ports in the rear of the analyzer and that all the lines are leak free 2 Plug the power cord in...

Страница 11: ... to read zero on the meter for Range 3 3 With 100 H2 flowing through the cell adjust the span controls to read full scale output in Ranges 1 and 3 4 With air flowing through the cell adjust the span control to read full scale output in Range 2 After calibration has been successfully concluded connect the sample gas to the analyzer and adjust the flow to approximately 0 1 SCFH 0 1 SCFH 0 1 SCFH 0 1...

Страница 12: ...TELEDYNE ANALYTICAL INSTRUMENTS 3 4 3 0 Operations 3 0 Operations 3 0 Operations 3 0 Operations 3 0 Operations ...

Страница 13: ...res below 30 F or above 110 F The analyzer should be placed as close as possible subject to the above conditions to the sample point to minimize the effects of sample line lag time on the analysis An outline diagram showing the location and identification of the gas and electrical connections as well as the physical dimensions of the ana lyzer case is included in the drawings at the rear of the ma...

Страница 14: ...t to store it near flames or flammmable materials not to store it near flames or flammmable materials not to store it near flames or flammmable materials not to store it near flames or flammmable materials The output from the analyzer should be purged to a remote The output from the analyzer should be purged to a remote The output from the analyzer should be purged to a remote The output from the ...

Страница 15: ...inders should be adjusted to provide the same output pressure as the sample line regulator NOTE NOTE NOTE NOTE NOTE When installing pressure regulators on supply cylinders open the When installing pressure regulators on supply cylinders open the When installing pressure regulators on supply cylinders open the When installing pressure regulators on supply cylinders open the When installing pressure...

Страница 16: ...TELEDYNE ANALYTICAL INSTRUMENTS 4 4 4 0 Installation 4 0 Installation 4 0 Installation 4 0 Installation 4 0 Installation ...

Страница 17: ...o Do o Do o Do o Do o Do a Bad fuse b The power supply of 15V and 15V may be defective c The bridge power supply 100 mA may be defective a Blocked vent may be causing back pressure in the measurement cell resulting in high cell pres sure erratic readings and a constricted flow a The temperature controller may not be working 1 No output 2 Output drifting very slowly 3 Output goes high slowly when t...

Страница 18: ...EDYNE ANALYTICAL INSTRUMENTS 5 2 5 0 Maintenance 5 0 Maintenance 5 0 Maintenance 5 0 Maintenance 5 0 Maintenance T T T T Tr r r r roub oub oub oub oubleshooting leshooting leshooting leshooting leshooting ...

Страница 19: ... Area classification Area classification Area classification Area classification Area classification General purpose non hazardous areas Signal output Signal output Signal output Signal output Signal output 0 to 1 VDC mVDC output also available Meter readout Meter readout Meter readout Meter readout Meter readout Integral analog meter Operating temperature Operating temperature Operating temperatu...

Страница 20: ...in CO2 0 100 air in CO2 90 100 H2 in air Output Signal Output Signal Output Signal Output Signal Output Signal 0 1 VDC Recommended Zero Gases Recommended Zero Gases Recommended Zero Gases Recommended Zero Gases Recommended Zero Gases 100 CO2 90 H2 with 10 N2 Recommended Span Gases Recommended Span Gases Recommended Span Gases Recommended Span Gases Recommended Span Gases 100 H2 100 air Reference G...

Страница 21: ... PC board power supply B 73363 1 Cell block assembly F9 5 Fuse 1 amp H158 1 Heater 18 watt cartridge type A minimum charge of 150 00 is applicable to spare parts orders IMPORTANT IMPORTANT IMPORTANT IMPORTANT IMPORTANT Orders for replacement parts should include the part number if available and the model and serial number of the system for which the parts are intended Send orders to Teledyne Analy...

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