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General| Output Signal | 4-20 mA |
|---|---|
| Measurement Range (O2) | 0-100% |
| Measurement Range (CO2) | 0-100% |
| Measurement Range (H2) | 0-100% |
| Accuracy (O2) | < ±0.1 % O2 |
This manual covers the servicing of the Servomex 1440D series of gas analysers.
Lists the test equipment and tools required for analyser maintenance and calibration.
Details the required conditions for sample gas, including dew point, pressure, flow rate, and purity.
Procedures for maintaining and troubleshooting the oxygen transducer.
Step-by-step guide for replacing the 1158 oxygen transducer unit.
Instructions for removing and installing the measuring cell within the oxygen transducer.
Procedure for adjusting the transducer gain, potentially due to altitude changes.
Steps for replacing the thermal fuse assembly or heater disc on the transducer.
Procedures for servicing the infrared transducer, including removal and return for repair.
Guide on how to safely remove the infrared transducer from the analyser.
Steps for verifying the analyser's analogue outputs and front panel display readings.
Procedure for setting and verifying the zero calibration point of the analyser.
Procedure for setting and verifying the span calibration point of the analyser.
Instructions for removing and installing the flow sensor assembly.
Guide for replacing the analyser's power supply unit.
Steps for replacing the relay and output printed circuit board.
Instructions for replacing the main control printed circuit board.
Guide for replacing the front panel user interface printed circuit board.
Steps for replacing the LED display module on the front panel.
Instructions for replacing the infra-red interface printed circuit board.
Procedure for removing and installing the internal pump.
Information on replacement plumbing kits for different analyser models.
Details for the 01440D1FTX model's replacement plumbing kit.
Details for the 01440D1STD model's replacement plumbing kit.
Recommended spare parts for maintaining the analyser's normal operational status.
List of general spare parts available for the analyser.
Specific spare parts related to infrared transducers for various gas measurements.
Recommended spare parts specifically for the oxygen transducer.
Information on included circuit diagrams and relevant drawings for the analyser.
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