WatchGas QGM User Manual
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WatchGas QGM User Manual

Portable multi gas detector
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USER MANUAL
QGM
Portable multi gas detector
we watch gas where you can't

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Summary of Contents for WatchGas QGM

  • Page 1 USER MANUAL Portable multi gas detector we watch gas where you can't...

  • Page 2: Table Of Contents

    CONTENTS DESCRIPTION WARNING CAUTION 1. PRODUCT OVERVIEW 2. ACTIVATION 2.1 Switch On 2.2 Switch Off 3. MODE 3.1 Measuring Mode 3.2 Display Mode 3.2.1 Display Mode in detail 3.3 Alarm Display 3.4 Initialization of detected concentrations 3.5 Check on Alarm Value 3.5.1 Initial Setting Concentration Levelsl 3.6 Dates and Time 3.7 Self Test...

  • Page 3: Description

    DESCRIPTION QGM is a portable multi gas detector to warn the dangerous environment related to the gases. The detector indicates the concentration of 4 gases oxygen, carbon monoxide, hydrogen sulfide, combustible gas simultaneously on the LCD monitor. It is easy and simple to operate.

  • Page 4: Product Overview

    Portable multi gas detector 1. PRODUCT OVERVIEW DETECTOR COMPONENTS 1. Gas sensor (O2) 2. Gas sensor (LEL) 3. Gas sensor (Dual: CO & H2S) 4. Key 5. IR Port 6. Alarm LED 7. LCD display 8. Buzzer DISPLAY SYMBOLS High alarm Low alarm Alarm condition STEL Alarm...

  • Page 5: Activation

    2. ACTIVATION 2.1 SWITCH ON Press and hold down the Key button ( ) and the device will be switched on along with the three seconds countdown. NOTE: The device will be switched on only when you keep pressing the button for longer than three seconds.

  • Page 6: Mode

    Portable multi gas detector 3. MODE 3.1 MEASURING MODE If the device goes into the normal measuring mode after stabilization, the gas concentration and the battery power level are displayed on the LCD monitor. Oxygen is displayed in %vol, combustible gases in %LEL and H2S, CO in PPM unit.

  • Page 7: Display Mode In Detail

    3.2.1 DISPLAY MODE IN DETAIL LCD DISPLAY DESCRIPTION IMAGES • Measuring Mode (Basic Display) • Display the current gas levels of the atmosphere and the battery power level • The minimum gas concentration detected by the device. *In an ambient air, the Oxygen level normally indicates 20.9%vol. •...

  • 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...

  • Page 9: Initialization Of Detected Concentrations

    HYDROGEN SULFIDE (Ex) (O2) (CO) (H2S) 10 %LEL 30 ppm 10 ppm HIGH 30 %LEL 60 ppm 20 ppm 30 ppm 10 ppm STEL 200 ppm 15 ppm *The set values can be modified on PC through WatchGas IR-LINK (options)

  • Page 10: Dates And Time

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

  • Page 11: Check On Bump Test Interval Date And Latest Bump Test Date

    Up to 30 events may be saved and when the list exceeds 30, the oldest data will be automatically deleted. 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: Calibration

    3 seconds. If FA continues, please consult WatchGas or the store you purchased as it may require the replace- ment of the sensor or repair of the device.

  • Page 13: Standard Gas Calibration

    DISPLAY FOR CALIBRATION COUNT INITIAL STANDARD GASES CONCENTRATION FOR CALIBRATION COMBUSTIBLE OXYGEN CARBON MONOXIDE HYDROGEN SULFIDE Concentration 50%LEL(CH4) 17 %Vol 100 ppm 25 ppm * The concentration for calibration may be modified on PC through WatchGas IR LINK (options).

  • Page 14: Bump Test

    DOCKING STATION Standard gas calibration can be easily done through Docking Station option which hold s gas in- side *Docking Station is used to determine whether the devices functions properly by the bump test before using QGM in the work site.

  • Page 15: Specification

    (W x D x H) 60 x 40 x 118mm Weight 240 g Options WG PUMP101 (Sampling pump), WatchGas IR LINK, Docking Station QGM Catalytic: Ex d ia IIC T4 , IP 67 Certification QGM NDIR: Ex ia IIC T4 , IP 67...

  • Page 16: Limited Warranty

    WG-pump 101 Docking Station 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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