WatchGas QGM User Manual
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WatchGas QGM User Manual

Multi gas detector
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D e t e c t i o n
User Manual
QGM Multi Gas Detector
www.watchgas.nl

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  • Page 1 D e t e c t i o n User Manual QGM Multi Gas Detector www.watchgas.nl...

  • Page 2: Table Of Contents

    QGM Multi Gas Detector User Manual D e t e c t i o n D e t e c t i o n Contents Contents Description Warning Caution Product Overview Activation Switch On Switch Off Mode Measuring Mode Display Mode 3.2.1...

  • Page 3: Description

    D e t e c t i o n Description The QGM is a portable multigas monitor designed to warn the user about the presence of dangerous gases in the atmosphere. The detector indicates the concentration of 4 types of gases (oxygen, carbon monoxide, hydrogen sulfide, combustible gas) simultaneously on the LCD monitor.

  • Page 4: Product Overview

    QGM Multi Gas Detector User Manual D e t e c t i o n D e t e c t i o n 1. Product Overview DETECTOR COMPONENTS Gas Sensor (O Gas Sensor (LEL) Gas Sensor (Dual: CO & H...

  • Page 5: Activation

    User Manual Multi Gas Detector QGM D e t e c t i o n D e t e c t i o n 2. Activation 2.1 SWITCH ON Press and hold down the KEY button ( ) for three seconds, after the three second countdown the monitor will turn on.

  • Page 6: Mode

    QGM Multi Gas Detector User Manual D e t e c t i o n D e t e c t i o n Mode 3.1. MEASURING MODE If the device goes into the normal measuring mode after stabilizing, the gas concentration and the battery power level are displayed on the LCD monitor.

  • Page 7: Display Mode In Detail

    User Manual Multi Gas Detector QGM D e t e c t i o n D e t e c t i o n 3.2.1 DISPLAY MODE IN DETAIL Measuring Mode (Basic Display) Display the current gas levels of the atmosphere and the battery power level Shows the minimum concentration in this session for the Oxygen sensor.

  • Page 8: Alarm Display

    Bump Test Interval (WATCHGAS IR-LINK Options): Notices the user on a regular basis to check the device. Calibration Interval (WATCHGAS IR-LINK Options): Notices the user on a regular basis to calibrate the sensor.

  • Page 9: Initialization Of Detected Concentrations

    STEL 50 ppm 15 ppm The set values can be modified on PC through the optional WATCHGAS IR-LINK. Caution The values of different gases in the device are set based on the international standards. As such, the alarm set-off values for each gas can be modified upon the approval and monitoring of the supervisor.

  • Page 10: Dates And Time

    Press the KEY button ( ) again for 3 seconds under the (D/T) mode and it will go back to previ- ous mode. * The current time shall be automatically synched with that of the PC when linked with WATCHGAS IR- LINK. 3.7.

  • Page 11: Event Log

    Up to 30 events may be saved and when the list exceeds 30, the oldest data will be automatically dele- ted. The saved data can be checked when transmitting it to PC through WATCHGAS IR-LINK. Data log records the operation status every second and normal data logs do not last more than 2 months.

  • Page 12: Standard Gas Calibration

    3 seconds. If FA continues, please consult Watchgas or the store you purchased the device as it may require the replacement of the sensor or repairs in the device.
  • Page 13 50 ppm Hydrogen Sulfide 10 ppm * The concentration for calibration may be modified on PC through the optional WATCHGAS IR-LINK. DOCKING STATION Standard gas calibration can be easily done through Docking Station (option), which holds gas inside. * Docking Station is used to determine whether the devices functions properly by the bump test before using QGM in the work site.

  • Page 14: Specification

    10 to 95% RH, non-condensing Type: Lithium-ion rechargeable battery Battery Charging time < 6h Operation time QGM-CAT: 24 hours, QGM-IR: 2 months Housing Rugged durable housing with impact proof coating IP67 Dimensions 60 x 40 x 118 mm (WxDxH) Weight <...

  • Page 15: Limited Warranty

    D e t e c t i o n 7. Limited Warranty WATCHGAS warrants this product to be free of defects in workmanship and materials-under normal use and service-for two years from the date of purchase from the manufacturer or from the product’s authorized reseller.

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