Bieler+Lang ExDetector HC 150 Operating And Installation Instructions Download

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Page 8 Technical Status: 11/2010

Gas Detector

Operating and Installation Instructions

ExDetector HC 150 / HC 150-K

Lang GmbH
Gas Detection and Warning Systems

PO Box 1129, D-77842 Achern
Oberkirchstr. 19-21, D-77855 Achern

Telephone

+49 (0) 78 41 / 69 37 - 0

Telefax

+49 (0) 78 41 / 69 37 - 99

E-mail

info@bieler-lang.de

Internet

www.bieler-lang.de

We reserve the right to make technical changes!

Summary of Contents for ExDetector HC 150

Page 1: ...Gas Detection and Warning Systems Operating and Installation Instructions ExDetector HC 150 ExDetector HC 150 K...

Page 2: ...collection point and a possible ignition source Consider the density of the gas For gases with a lower density than air for example methane the detector must be located above a possible leakage point...

Page 3: ...sing in the presence of an explosive atmosphere Terminal Assignment Max outside diameter of cable 10 mm Three core cable with screen Terminal assignment 24VDC 4 20 mA GND 0 4 2V Br N V Br 4 5 6 1 2 3...

Page 4: ...on hazard Ex RL Rules for avoiding dangers from a potentially explosive atmosphere with a collection of examples Explosion Protection Rules Example Connection to GMC8022 Screening The screen is to be...

Page 5: ...or the voltage reading to stabilise Adjust the Br potentiometer until the voltmeter reads 0 mV Setting the base current to 4 mA Connect the voltmeter at the 0 4 2V socket Wait for the 0 4 2V voltage s...

Page 6: ...ing sensor Procedure Switch off the power supply to the detector Remove the housing cover Disconnect the leads from terminals 4 5 and 6 Undo the locknut Unscrew the sensor Screw the replacement sensor...

Page 7: ...ust be observed Further relevant standards DIN EN 60079 14 Electrical apparatus for explosive gas atmospheres Electrical installations design selection and erection DIN EN 60079 17 Electrical apparatu...

Page 8: ...ctor HC 150 HC 150 K Bieler Lang GmbH Gas Detection and Warning Systems PO Box 1129 D 77842 Achern Oberkirchstr 19 21 D 77855 Achern Telephone 49 0 78 41 69 37 0 Telefax 49 0 78 41 69 37 99 E mail inf...