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WatchGas PDM+ User Manual

WatchGas PDM+
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PDM+ Single Sustainable Gas Detector
User Manual
D e t e c t i on
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WatchGas PDM+ Specifications

General IconGeneral
Target GasO2, CO, H2S, LEL
Measurement Range O20-30% vol
Measurement Range H2S0-100 ppm
Measurement Range LEL0-100% LEL
Resolution O20.1% vol
Resolution CO1 ppm
Resolution LEL1% LEL
Accuracy O2±0.5% vol
Response Time O2< 15 seconds
Response Time LEL< 15 seconds
Operating Humidity10-95% RH (non-condensing)
Sensor TypeElectrochemical (O2, CO, H2S)
Alarm TypeAudible, Visual, Vibration
Ingress ProtectionIP67
CertificationsATEX, IECEx, UL, CSA

Summary

Description

Warning

Caution

Product Overview

Detector Components

Overview of the detector's physical parts and their labels.

Display Symbols

Explanation of the various icons and indicators shown on the device display.

Activation & Deactivation

Mode

Measurement Mode

Details on how the device displays gas concentrations during normal operation.

Display Mode

Information on cycling through different display views and data points.

Alarm Activation & Configuring Alarm Set Points

Procedure for enabling alarms and setting custom gas detection thresholds.

Default Alarm Set Points

Pre-set alarm thresholds for various gases, serving as a reference.

Default Calibration Gas Concentrations

Event Log

Calibration

Fresh Air Calibration

Procedure for calibrating the detector using ambient clean air.

Standard Gas Calibration

Steps for calibrating the detector using a certified calibration gas cylinder.

Remaining Calibration Day

How to check the number of days left until the next calibration is due.

Return to Detecting Mode

Instructions on how to exit calibration mode and resume normal gas detection.

Self Test & Bump test

Self Test

Explanation of the device's automatic self-test function and its configurable interval.

Bump Test

Procedure for performing a bump test to verify sensor responsiveness.

Sensor & Battery Replacement

Sensor Replacement

Step-by-step guide for safely replacing the gas sensor module.

Battery Replacement

Instructions for safely replacing the device's internal lithium battery.

Specifications

General Specifications

Technical details including size, weight, operating temperature, and IP rating.

Sensor Specifications

Specifics on detectable gases, measurement ranges, resolution, and article numbers.

Certificates

Intrinsic Safety

Details on the detector's intrinsic safety certifications and conformity standards.

Compliance

Information regarding electromagnetic compatibility standards and directives.

Manufacturing Approval

Details of the manufacturer's certification for quality management.

Limited Warranty

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