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GrayWolf FM-801

  • The FM-801 may be used for continuous monitoring, and/or for 30-minute spot checks.
  • The FM-801 can be interfaced to a GrayWolf AdvancedSense meter, WolfPack monitor or WIN7 Tablet/Notebook. FM-801 readings are simultaneous to readings from any other sensors connected to the AdvancedSense, WolfPack, or Laptop, logged into the same data fi
  • The FM-801 base unit can also be used as an independent, simple data-logger. Logged data may be downloaded to GrayWolf’s versatile WolfSense PC software.
  • Sensor cartridges may also be used as independent passive samplers which are then checked/displayed via the FM-801 Base Unit.

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Advanced Environmental Measurements

FM-801 formaldehyde meter is a portable, continuous measurement formaldehyde (HCHO) meter now available from GrayWolf. A reusable sensor cartridge employs the chemical reaction between formaldehyde and ß-diketone on a porous glass. The yellowing that results from this reaction is measured via photoelectric photometry with accurate readings to <20ppb HCHO, without significant cross-sensitivity from typical background compounds, making it ideal for Indoor Air Quality (IAQ) applications. Tests run in as little as 30 minutes. The unit ‘re-zeros’ between 30 minute tests allowing for continuous monitoring, and provides an output for real-time connection to most GrayWolf platforms.

Click here for the application note about formaldehyde

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Specifications

Specifications

Detection principle

Photoelectric Absorptiometric

 

Detection range

<20ppb to 1,000 ppb, < 25 μg/m3 to 1230 μg/m3

 

Accuracy

+/- 4ppb <40ppb, +/- 10% of reading ≥40ppb

 

Resolution

1ppb

 

Display

Digital LCD

 

Sampling method

Passive diffusion sampling

 

Operating temp. and RH*

-10 to 40°C (14 to 104°F), 20 to 90 %RH (non-condensing)

 

Sensor shelf life

1 year from mfg. date (stamped on pouch)

 

Power source

2 x AA size Alkaline batteries, or AC adapter

 

Standard accessories

Sensor cartridge x 5 pcs

Carrying case

USB connection cable

AA size batteries

WolfSense PC data transfer & reporting software

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