Draeger Pac 3500 H2S Gas Detector with ppm Readout 4543958

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The Drager Pac 3500 H2S gas monitor allows workers who regularly face the threat of dangerous hydrogen sulfide to get continuous, analytical readings of present gas levels. The Pac 3500 is a two-year disposable diffusion detector that is trusted by many confined space customers do to its unmatched accuracy resolution. Its XXS sensors read all the way down to .1 ppm. Should it come into contact with H2S, the monitor sounds a 90 dB alarm while LEDs flash and the instrument vibrates. It features two alarms for added safety, with a low alarm level of 10 ppm and a high level of 15 ppm.

Our customers not only love how reliable the sensor is on the Pac 3500 H2S, but also how durable the unit is. It's designed to be impact and chemical resistant, with a housing that features a protective rubber coating. It meets the requirements of IP65 so that in case it's splashed with water, it'll still operate. The detector's D-ring clip is also incredibly durable and designed to withstand impact.

Another popular feature of the Draeger Pac 3500 is that the filter is on the outside of the unit. This makes it incredibly easy to change a filter when the time comes because you won't need to take the monitor apart.

Draeger is a trusted name for not only making some of the most accurate and reliable equipment, but some of the most user-friendly as well. The Pac 3500 is simple to use, with two-button functionality and easy-to-read measurements. Draeger sensor technology is used all over the world not just for safety; their equipment is a common fixture in hospitals, mines, fire departments, and law enforcement agencies.

Available in bright yellow.

  • Constant H2S concentration readout
  • Two-year disposable H2S
  • Low alarm level of 10 ppm, high level of 15 ppm
  • Robust, durable housing and D-ring clip
  • Easy to operate
  • Back-lit display
  • Outside filter for simple replacement
  • Language free for quick-glance checks
  • Resolution down to .1 ppm
Total Weight:
3.8 oz.

Part Number:
More Information
Price $212.92
SKU DRA01-4543958
Product Weight (lbs.) 0.2
Weight 0.5000
Brand Draeger
MPN 4543958
Type Single-Gas
Gas Type Hydrogen Sulfide (H2S)
5th Sensor No
Color No
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  1. jack emeott

    2014-04-11 22:16:54

    How big of an area will this monitor? I am using it in an office to detect gases coming in from a stink pipe through our ventilation system. Basically the air intake on the roof is near the plumbing vent pipes. Is this product what I need to do this?

    1 answer
    1. Justin

      2014-04-11 22:11:29

      This is a diffusion monitor, so it will only detect gas that comes in contact with it (as opposed to a pumped monitor that will pull air samples from a remote location). <br>
      Typically it is worn by a worker going into an area that may contain sewer gases like methane and hydrogen sulfide. However, if you're trying to see if these types of gases are coming into your office area through an air intake, you can place the monitor in front of the air vent, and it will monitor for dangerous gas levels. The gas concentration will be displayed on the screen and the monitor will go into alarm if any of the OSHA thresholds are passed.

  2. synethia

    2014-06-24 19:37:54

    Does this unit have to be bump tested and calibrated?

    1 answer
    1. Justin

      2014-06-24 19:37:54

      This unit doesn't have to be calibrated, but it should be bump tested before each use.

  3. Sarah

    2014-06-25 20:55:42

    What equipment is needed to bump test this detector?

    1 answer
    1. Justin

      2014-06-25 20:55:31

      You'll need a Draeger 0.5 LPM regulator 4557020, a cylinder of calibration gas, hose, and a calibration adapter that fits over the sensor of the unit.

  4. Lisa

    2014-08-19 20:23:19

    Does the unit show a reading accurate to 0.1 ppm? For example 4.5 ppm, etc. Or does it round to a whole number.

    1 answer
    1. Chris

      2014-08-19 20:23:19

      The Draeger PAC3500 does indeed have 0.1ppm resolution.

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