Formaldehyde Detection Tubes (8 to 6400 ppm)

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Item #: 91M
MFG: GasTec
UOM:Box of 10
$90.56 Was: $93.27
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Formaldehyde Detection Tubes (8 to 6400 ppm)

Measures Formaldehyde with a Range of 8-6400 ppm.

  • Pump Strokes: 2, 1, 1/2
  • Correction Factor: 0.4, 1, 3.2
  • Sampling time: 1 minute per pump stroke
  • Detecting Limit: 4 ppm (n=2)
  • Changes from Yellow to Red
  • Reaction Principle:
    • 3HCHO + (NH2OH)3H3PO4 → H3PO4 H3PO4 + Base → Phosphate
  • Coefficient of Variation: 10% (for 8 to 200 ppm), 5% (for 500 to 2000 ppm)
  • 2 Year Shelf Life
  • TLV-TWA, C (ACGIH) (ppm): C 0.3
  • Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
  • Comes in a Box of 10

Instructions

Data Sheet