Riken Keiki SD-1DRI, Operating Manual

Page 1: ...PT2E 2981 Smart transmitter Gas Detector Head SD 1DRI TYPE MED EX Operating Manual PT2E 196...

Page 2: ...as detector in a place where the temperature changes drastically about 10 15 or more 3 The alarm must be set within a range where the performance of the detector can be ensured In facilities compliant...

Page 3: ...How to wire 18 4 7 How to tube 22 How to Operate 23 5 1 Preparation for start up 23 5 2 Basic operating procedures 23 5 3 How to start the detector 24 5 4 Modes 25 5 5 Maintenance Mode User 26 5 6 Ho...

Page 4: ...ses or other reasons leak with the built in gas sensor The concentrations of detected gases are displayed on the seven segment LED The detector outputs gas concentration in 4 20 mA An external pump et...

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Page 15: ...prevented by installing a lightning arrester before the field devices and central processing equipment For information on how to use a lightning arrester please contact the manufacturer Grounding In...

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Page 30: ...ull scale is detected the sensor may be contaminated In such a case in order to ensure the reliability of the detector carry out zero calibration and span calibration properly 6 2 Fault alarm activati...

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Page 33: ...m the zero adjustment after ensuring that no other gases exist around it Alarm Test Inspect the alarm circuit by using the alarm test function Gas Adjustment Perform the sensitivity calibration by usi...

Page 34: ...ks the activation of the external alarm such as a buzzer Gas Adjustment Performs the sensitivity calibration by using the calibration gas Gas Alarm Check Checks the gas alarm by using the calibration...

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Page 45: ...adjustment has not been completed Check if the correct concentration span adjustment gas has been provided and check the gas adjustment tool for a gas leak If there are mistakes perform the span adjus...

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Page 47: ...3 8 years 1 After replacements having need of operation check by professional service engineers To maintain the safety operation of the detector please use our maintenance service Request RIKEN KEIKI...

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Page 49: ...detector If such a symptom is observed frequently take appropriate measures to eliminate the noise Sensor abnormalities E 1 The sensor is not connected or improperly connected Check if the sensor cab...

Page 50: ...ent When the environment temperature etc changes suddenly the detector cannot adjust to it and is affected by it In some cases the detector triggers an indication alarm Because the detector cannot be...

Page 51: ...alog transmission in common with power supply power supply signal common or Two wire analog transmission digital transmission HART communication Transmission specification 4 20mADC linear load resista...

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Page 55: ...ower explosive limit LEL of the combustible gas to be detected is set to 100 vol A unit used to express the percentage of a specific substance or gas in a volume of solution Calibration Adjusts the re...

Page 56: ...Revision Date issued 0 First edition 11 10 2020 1 P9 Safety information Declaration of Conformity P53 Added CH4 0 100vol to the list of gases to be detected MED specification P55 Added vol to the defi...

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