Riken Keiki PT2-178 Operating Manual Download Page 60

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Summary of Contents for PT2-178

Page 1: ...PT2E 2464 Smart Transmitter Gas Detector Head SD 1DEC AS 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: ...wire 21 4 7 How to tube 25 5 How to Operate 26 5 1 Preparation for start up 26 5 2 Basic operating procedures 26 5 3 How to start the gas detector 27 5 4 Modes 28 5 5 User mode 29 5 6 Flow Rate Adjust...

Page 4: ...he setting value The detector is a safety unit not an analyzer or densitometer which performs quantitative qualitative analysis measurement for gases Please fully understand the features of the detect...

Page 5: ...some specification depends on standard and explosion proof certificate Please confirm the detector specification before using Please refer Declaration of Conformity that is at the end of this manual...

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Page 11: ...standard accessories Main Unit Standard Accessories Operating manual one Dedicated handling lever one Dedicated control key The supplied quantity depends on the number of units to be delivered 1 to 10...

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Page 14: ...o switch menus or change a value DOWN 5 Power lamp Power lamp Detection mode It lights up in green Maintenance mode It blinks in green 6 Alarm lamp Alarm lamp It lights up in red when the alarm setpoi...

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Page 35: ...ncentration Display In case 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 Th...

Page 36: ...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 39: ...eading is incorrect perform the zero 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 f...

Page 40: ...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 54: ...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 55: ...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 56: ...gnosis 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 ex...

Page 57: ...tructure Explosion proof grade 2G Ex db C T6 Gb ATEX Ex db C T6 Gb IECEx Outer dimension Approx 400 W 265 H 102 D mm Weight Approx 5 9kg Color Munsell 7 5BG5 2 When a half union for gas IN side is cha...

Page 58: ...oltage contact 1a Non exciting at normal exciting at alarm or exciting at normal non exciting at alarm Contact capacity 250VAC 0 5A 30VDC 0 5A resistive load Transmission scheme Three wire analog tran...

Page 59: ...10 Product Specifications 10 1 List of specifications 57 Outline Drawings...

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Page 61: ...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...

Page 62: ...details Issue date 0 First issue 2 20 2017 1 Declaration of Conformity 12 23 2019 2 Declaration of Conformity 4 1 2020 3 Safety information Declaration of Conformity 8 1 2020 4 Safety information Decl...

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Riken Keiki PT2-178, Operating Manual

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