Portable Gas Detectors
Odor Sensors/Air Quality Monitors

Formaldehyde Detector XP-308B



  • Indoor air control
  • Housing material control
  • Furniture and woodworking


  • No need to replace reagents for each measurement
  • Possible to change mg/m3 and ppm as measurement unit
  • Possible to change 10 min, 30 min and 60 min as measurement time
  • Fully automatic operation simply by pushing operation buttons
  • Max. 32 cases of measuring result can be memorized
  • Reduced influence of VOCs with DNPH filter


Model XP-308B
Substance Detected Formaldehyde
Detection Principle Electrochemical cell (Influence of VOCs reduced by DNPH filter.)
Detection Range 0.01 to 0.38mg/m3 (Service range: 0.39 to 3.00mg/m3)
0.01 to 0.30ppm (Service range: 0.31 to 3.00ppm)
Sampling Method Extractive
Measurement Time 30min/10min measurement mode (selectable)
Power Source 6 x C dry cells or AC adaptor (9 VDC)
Battery Life*1 30-min measurement mode : Up to 50 measurement operations
by manganese dry cells(10-min measurement mode : Up to 100
measurement poerations by manganese dry cells)
Filter Life*2 30-min measurement mode : 50 measurement operations
(10-min measurement mode : 100 measurement operations)
Operating Temperature 5 to 40 °C
Display Digital numbers, Message, Bar graph
Dimensions W175 x H140 x D86mm
Weight Approx. 2.5kg
Standard Accessories 3 x DNPH Filters, 6 x C manganese dry cells, Soft case, Sampling
tube, Ten filter elements, Tweezers
Optional Accessories AC adaptor, External output cable, Data reception software

*1: Battery life may vary with storage conditions, conditions of use, storage period, battery manufacturers, etc.

*2: These values are for an average formaldehyde concentration per measurement of 0.10mg/m3. The battery   life will be shortened at higher concentrations.

Selectable Gases


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