GasDog GD300 Series Instruction Manual Download | Manualshive

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GD300:XX

Instruction Manual

Notice to Reader

Please read this instruction manual before using the detector

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www.gasdog.com

[email protected]

+86 773-280-9002

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Summary of Contents for GD300 Series

Page 1: ...Online Fixed Gas Detector GD300 XX Instruction Manual Notice to Reader Please read this instruction manual before using the detector 1 www gasdog com sales gasdog com 86 773 280 9002...

Page 2: ...ery 3 6 months the explosion proof disc of the sensor should be cleaned regularly purging with low pressure compressed air according to the applicable scene otherwise dust and impurities will block th...

Page 3: ...re operation 2 Structure diagram 3 Installation method 4 Wiring Instructions 5 Calibration method 6 Remote controller operation 7 Common faults and repairs 8 Instrument con guration 9 Appendix 3 www g...

Page 4: ...many alarms or the long term alarm state will make people paralyzed if it is too far the reaction speed will be too slow or even no response B The instrument should be installed in the downwind direc...

Page 5: ...ype The installation thread size of the instrument is M45 P2 0 During the installation process hold the detector with both hands so that the sensor is parallel to the installation thread align the scr...

Page 6: ...rance and installation hole map 118 00 8 00 140 00 8 00 8 00 102 30 206 00 89 00 Apperance and installation hole map of gas detector with alarm light 8 00 179 00 102 00 8 00 8 00 118 00 206 00 89 00 6...

Page 7: ...mula The maximum current of combustible gas detector is 250mA and the maximum loop resistance is 48 The maximum current of the toxic gas detector is 100mA and the maximum loop resistance is 120 The ca...

Page 8: ...the load resistance which includes the output resistance of the control system controller DCS or PLC and the internal resistance of the cable Cable distance m 100 200 500 1000 The maximum allowable n...

Page 9: ...needs to open the instrument shell and connect wires to the inside terminals The following gure is the description of each terminal Warning The wiring work must be performed by professionals otherwis...

Page 10: ...the alarm settings of the detector and the panel are adjusted to the factory default values and the user can adjust it through the remote controller according to the situation Zero calibration Make su...

Page 11: ...zero calibration is successful it will automatically return to the detection interface IR ALAH Span calibration Connect the calibration gas cylinder of known concentration to the calibration cap Opti...

Page 12: ...i ed by the and keys to make the value consistent with the calibration gas concentration Press the OK key to display PASS brie y IR ALAH IR ALAH IR ALAH IR ALAH IR ALAH IR ALAH 2 Press the key to disp...

Page 13: ...ting menu press the OK key to enter the modi cation press the and keys to modify the instrument address code and press the OK key to save after the modi cation is completed Press the BACK key to cance...

Page 14: ...value Calibration after stable reading in clean environment F 05 4MA current trimming C 04 4mA output modi able C 08 8mA output cannot be modi ed C 12 12mA output cannot be modi ed C 16 16mA output c...

Page 15: ...ot enough warm up time Sensor failure Circuit failure Send back for repair recalibrate Reset the detector range Replace the sensor recalibrate Reset the detector range Replace the sensor Power on and...

Page 16: ...tively These two signal output modes are also di erent when wiring A 4 20mA current signal output connection mode must be grounded together B RS485 digital signal output connection mode 1 can be indep...

Page 17: ...C RS485 digital signal output connection mode 2 can be independently grounded RS485B RS485A GND PC software RS485 to USB 1 2 N 24V DC GND 17 www gasdog com sales gasdog com 86 773 280 9002...

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