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Bieler+Lang ExDetector HC 150 - User Manual

Bieler+Lang ExDetector HC 150
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Gas Detection and Warning Systems
Operating and
Installation Instructions
ExDetector HC 150
ExDetector HC 150-K
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Summary

Important Instructions

Installation

Key guidelines for installing the ExDetector device in a safe environment.

Installation Notes

Connections

Connection Safety Instructions

Critical safety advice for making electrical connections to the device.

Terminal Assignment

Details the specific wiring connections for the detector terminals.

Connection Example

Illustrates how to connect the ExDetector to a GMC8022.

Potential Equalisation

Necessity of connecting housing to equipotential bonding in hazardous zones.

Screening

How to connect cable screen to housing for interference reduction.

Commissioning

Adjustment

Detector Adjustment

Procedures for calibrating detector settings using test gases and voltmeter.

Setting Bridge Voltage

Steps to adjust bridge voltage to 0 mV using synthetic air.

Setting Base Current to 4 mA

Instructions to set the base current to 4 mA using the N potentiometer.

Setting 4-20 mA Output Current

How to adjust the V potentiometer for the 4-20 mA output signal.

Measuring Sensitivity

Procedure to measure and record bridge voltage for sensitivity checks.

Testing Sensor Sensitivity

Formula and criteria for calculating and evaluating sensor sensitivity.

Replacing the Sensor

Procedure

Step-by-step guide to safely replace the sensor unit of the ExDetector.

Spare Parts

Accessories

Maintenance Instructions

Guarantee

Bieler+Lang ExDetector HC 150 Specifications

General IconGeneral
Operating Temperature-20°C to +50°C
Operating Humidity15% to 90% RH (non-condensing)
Power Supply3.6 V Lithium battery
Output Signal4-20 mA
Ingress ProtectionIP65
CertificationsATEX, IECEx
Protection ClassIP65