BW Honeywell GasAlert Quattro 4-Gas Monitor QT-XWHM-R-Y-NA

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The GasAlert Quattro offers constant monitoring and readout of toxic and explosive gases, and years of reliable service. The BW Honeywell GasAlert Quattro 4-Gas Monitor QT-XWHM-R-Y-NA comes with a fully-charged battery, calibrated and ready to use.

Just as the smaller Micro Clip XT 4-Gas monitor, the Quattro is a diffusion monitor with no internal pump. It measures the air the sensors are exposed to, but has no pump to test remote locations before entry. But unlike Micro Clip XT, it features four full-size detectors that give longer life for each sensor.

Key Features:
  • A large, clear LCD screen constantly displaying gas levels
  • One-button operation
  • Minimal training required to operate this gas detector
  • Checks for all 4 standard confined space gases
  • Comes calibrated and ready to use out of the box

Three modes of alarm are in place to warn you against dangerous gas levels:
  • Sonic Alarm: 95dB warning siren
  • Visual: Three bright LED lights
  • Vibrating alert
The Quattro also provides a confidence system called Intelliflash - a flashing signal of a heart in the middle of the screen assuring the user that the device is fully functioning.

The Deluxe Confined Space Kit is available with this detector, if you occasionally need to test the air remotely. It features a hand pump that gives you the flexibility to sample remote areas, a sturdy carry-case for transporting the unit to and from job sites, and an IR Connectivity Kit to download data to a computer.

The Calibration Gas (not included in the kit) is also available for regular calibration and bump testing of your monitor.

Also consider: A great add-on to this product is the BW Honeywell Vehicle Power Adapter. It allows the XT II to be charged in a vehicle on the way to the job site and gives an extra option for keeping the device fully charged for only $25.00.

If your work requires testing the air before entering a space, consider the GasAlert Max XT II, which features an internal pump.

  • Size: 5.1 x 3.2 x 1.9 in. / 13.0 x 8.1 x 4.7 cm
  • Weight: 11.15 oz. / 316 g
  • Temperature: -4 to +122°F / -20 to +50°C
  • Humidity: 10% - 100% RH (non-condensing)
  • Alarms: Visual (six, red LEDs), vibrating, audible (95dB) - Low, High, STEL, TWA, OL (over limit)
  • Tests: Sensor integrity, circuitry, battery and audible/visual alarms on activation, battery (continuous), sensor (continuous)
Sensor Specifications:
  • Hydrogen sulfide (H2S): 0-200 ppm, 0.1 ppm (Resolution)
  • Carbon monoxide (CO): 0-1000 ppm, 1 ppm (Resolution)
  • Oxygen (O2) : 0-30.0%, 0.1% (Resolution)
  • Combustible gases (%LEL): 0-100% LEL 0-5.0% v/v, 1% 0.1% (Resolution)
Remember to calibrate every six months and regularly perform bump tests.

How Often Do I Need To Calibrate My Monitor?

Product Manual:
Gas Alert Quattro Manual

Custom calibrations are available direct from PK Safety. If you need custom alarms for your BW Quattro, we have technicians that can customize these settings to your exact requirements without delaying your order. Volume discounts starting at 6 units. Call us at 1-800-829-9580 for details.

Part Number:
More Information
Price $778.00
Product Weight (lbs.) .8
Weight 1.3000
Brand BW Honeywell
Type Multi-Gas
Gas Type %LEL, O2, H2S, CO
5th Sensor No
Color No
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  1. Jenny

    2014-01-17 23:58:25

    How much is the alkaline battery pack that is available separately? So the detector can be used both the rechargeable battery and also AA batteries if forgot to charge. Thank you!

    1 answer
    1. Justin McCarter

      2014-01-17 23:58:25

      The Alkaline battery pack (with batteries) is an easy order through our Customer Service. It's currently $50 and the part number is QT-BAT-A01.

      Please give us a call at 1-800-829-9580 for help ordering.

  2. TJ Ribbe

    2014-01-22 18:20:39

    Do these come calibrated? How often do they need calibrated?

    1 answer
    1. Justin McCarter

      2014-01-22 18:20:39

      The Quattro comes with a fully-charged battery and is calibrated and ready to use right out of the box. <br>
      BW Technologies by Honeywell recommends that the sensors be calibrated at least once every 180 days (6 months). Click here for more information about <a href="">calibration frequency</a>.

  3. Nicholas Wheeler

    2014-02-26 17:20:55

    Are extra sensors available separately?

    1 answer
    1. Justin

      2014-02-26 17:20:55

      Yes. Replacement sensors are available here in the <a href="">BW Quattro Sensors and Accessories Section</a> of our site.

  4. saj

    2014-05-23 15:00:24

    How do you use the remote manual aspirator pump? Are there any instructions for use?

    1 answer
    1. Justin

      2014-05-23 15:00:24

      No, there aren't any instructions on use. You may refer to the manual that's provided under the "Descriptions" tab though that doesn't explain how to use the monitor.

  5. Toby

    2014-12-08 18:07:51

    Is the screen on this back lit for low light situations?

    1 answer
    1. Chris

      2014-12-08 18:07:51

      The BW Quattro gas detector from Honeywell has a large LCD screen that lights up when any of the buttons are pushed, and also when any of the alarms are activated.
      It does not have a light sensor, that might automatically illuminate the screen in low light environments. While that might be a nice feature, conserving batteries for long run time is a more pressing concern.

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