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PT2E-1789 

 
 
 
 
 
 
 
 
 

Smart Transmitter/Gas Detector Head 

SD-1DEC 

Operating Manual 

(PT2E-178) 

(PT2-178) 

 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Summary of Contents for SD-1DEC

Page 1: ...PT2E 1789 Smart Transmitter Gas Detector Head SD 1DEC Operating Manual PT2E 178 PT2 178...

Page 2: ...reshold limit value may trigger a false alarm 3 This is a safety unit not a control unit The alarm contact output of the detector must be used for an external alarm lamp buzzer while the analog signal...

Page 3: ...ow to tube 23 5 How to Operate 24 5 1 Preparation for start up 24 5 2 Basic operating procedures 24 5 3 How to start the gas detector 25 5 4 Modes 26 5 5 Maintenance Mode User 27 5 6 How to exit 29 6...

Page 4: ...the gas concentration is over the setting value The detector is a safety unit not an analyzer or densitometer which performs quantitative qualitative analysis measurement for gases Please fully under...

Page 5: ...ase confirm the detector specification before using Please refer Declaration of Conformity that is at the end of this manual if you have CE marking type You can confirm instrument specification to see...

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Page 11: ...ct Components 9 3 Product Components 3 1 Main unit and standard accessories Main Unit including a cable gland or an adapter ATEX IECEx Specification TIIS Specification 3 1 Main unit and standard acces...

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Page 32: ...se of over the detection range Over Scale is displayed on the LED Power Indicator Lamp POWER Green During operation this lights up continuously Alarm Indicator Lamp ALM Red This lights up when the ala...

Page 33: ...d Access the gas leak point equipped with a protective gear to avoid dangers caused by possibly remaining gases and check whether gases remain or not by using a portable gas detector Check that the po...

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Page 36: ...adjustment after ensuring that no interference gases exist around it Flow rate check Check the flow rate to find abnormalities Filter check Check the dust filter for dust or clogging Alarm Test Inspe...

Page 37: ...ty or clogged dust filter Alarm Test Inspects the alarm circuit by using the alarm test function Checks the alarm lamps Checks ALM1 activation Checks the external alarm Checks the activation of the ex...

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Page 51: ...rn off and restart the indicator alarm unit 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...

Page 52: ...mpletely Disturbance by noise Turn off and restart the detector If such a symptom is observed frequently take appropriate measures to eliminate the noise Sudden change in the environment When the envi...

Page 53: ...osis System failure Sensor failure Trouble alarm indication FAULT lamp lighting yellow content display Trouble alarm action Auto recover Alarm contact No voltage contact 1a Non exciting at normal exci...

Page 54: ...10 Product Specifications 10 1 List of specifications 52 Outer dimension Approx 148 W 200 H 88 D mm projection excluding Weight Approx 2 6kg Color Munsell 7 5BG5 2 Outline Drawings...

Page 55: ...arm indication FAULT lamp lighting yellow content display Trouble alarm action Auto recover Alarm contact No voltage contact 1a Non exciting at normal exciting at alarm or exciting at normal non excit...

Page 56: ...10 Product Specifications 10 1 List of specifications 54 Outline Drawings...

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Page 58: ...ction range ppm A concentration unit that means part per million of the combustible gas to be detected Calibration Adjusts the readings to the calibration gas concentration value by using the calibrat...

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