FP-31

Interference-free Formaldehyde Detector

  • FP-31 Formaldehyde (HCHO) Specific Monitor FP-31 Formaldehyde (HCHO) Specific Monitor
  • FP-30 / FP-31 TABS FP-30 / FP-31 TABS
FP-31 at a glance

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Formaldehyde (HCHO) Gas Detector:

The FP-31 is a highly sensitive portable gas detector specific for formaldehyde (HCHO) detection. Unlike other Formaldehyde detection techniques that require pre-filter tubes for filtering out Phenols and other compounds, the FP-31 uses a specially doped colorimetric detection tabs with photoelectric photometry to provide a direct readout on the digital LCD display. Users place a tablet into the instrument, and then an air sample is pumped onto the tablet for either a 15 minute or 30 minutes. If HCHO is present, it will cause the chemically impregnated tablet surface to darken or stain. The magnitude of the stain directly correlates to the level of HCHO in the air. The stain darkness is read by an optical sensor in the Instrument. The FP-31 calculates the gas concentration from this.

No interference Gases

Users read the HCHO measurement on an easy to read LCD display. The unit detects formaldehyde at very low levels. Users can easily confirm if an area contains safe breathing levels.  In addition the FP-31 has no known interfering gases.

The instrument has a self diagnosis function and is very easy to operate in addition to being very reliable. Users can also specify the optional tripod mounting in order to statically measure formaldehyde in a laboratory or mortuary. The Colorimetric tablets are readily available. In addition the unit comes fully calibrated and ready to use.

Detects the WHO Formaldehyde level:

The FP-31 replaces the popular FP-30 with ergonomic improvements  including size, weight and an easy to read big LCD screen, and uses the same tabs

The model FP-31 can detect the World Health Organization level of 0.08 ppm average for 30 minutes.

FP-31 Formaldehyde detector applications:

Users are Mortuaries , Teaching hospitals, universities, medical and veterinary laboratories as well as applications in furniture construction ,wood products and general air quality monitoring.

  • Simple and Easy Operation
  • Specific to Formaldehyde
    (practically interference free from other gases)
  • Measuring low concentration of Formaldehyde
  • Each digit = 0.005ppm (0-0.4ppm range)
  • Photoelectric Photometry Method
  • Built-in sample draw pump
  • Direct digital readout
  • Easy to read big LCD display
  • Data logging
    Last 99 readings automatically recorded
  • Self-diagnosis
  • Tripod-mounting attachment available
  • Operates on 4 AA alkalines
  • No warm up time
  • Indoor Air Quality (IAQ) Monitoring
  • Medical / Veterinary Labs
  • Mortuarys
  • Furniture and woodworking
  • Coating and varnishing
  • Engineered wood products
  • Painting & corrosion resistant finishes
  • Carpet manufacture & storage
  • Adhesives
  • Heat treatment operations
  • RV / trailer / mobile home inspecting
Model FP-31
Gas to be detected Formaldehyde (HCHO)
Detection Principle Photoelectric photometry method
Measurement range TAB 008: 0.000 – 0.400 ppm (“<0.01” is displayed for less than 0.015 ppm.)
TAB 009: 0.00 – 1.00 ppm (“<0.02” is displayed for less than 0.02 ppm.)
Measurement time TAB 008: 1800 seconds (30 minutes)
TAB 009: 900 seconds (15 minutes)
Fault alarm
Self-diagnosis
Battery voltage low, Sensor failure, Poor pump connection, Detector system error, Abnormal temperature
Detection method Pump drawing type/Time accumulations measurement
Display method LCD digital display
Memory function Up to 99 detection points (Automatic recording after detection)
Use temperature/humidity range Operating temperature range: -10 – +40ºC
Operating humidity range: 90%RH or less (Non-condensing)
*The operating temperature and humidity ranges of each detection TAB are indicated on the detection TAB itself.
Power supply AA alkaline dry battery x 4
Continuous operating time About 12 hours (new dry batteries, without alarms or lighting, at 20ºC)
Outer dimensions Approx. 80 (W) x 150 (H) x 40 (D) mm (Only main unit excluding projections)
Weight About 250 g (without dry batteries)
Functions Data logger function, Clock function
*Specifications subject to change without notice.