Item #: 6722701
MFG: Draeger

Formic Acid Detection Tubes 1/a (1 - 15 ppm)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes

Standard Measuring Range1 to 15 ppm
Number of Strokes (n)20
Time for Measurementapprox. 3 min.
Standard Deviation±10 to 15 %
Colour Changeblue violet ─> yellow
Temperature10 to 50° C
Absolute Humidity< 30 mg H2O / L
Reaction PrincipleHCOOH + pH indicator ─> yellow
reaction product
Cross SensitivityIt is impossible to measure formic acid
in the presence of other acids. Organic
acids are indicated by the same color
change, but partly with different sensitivity.
Mineral acids, e.g. hydrochloric acid are
indicated with different sensitivity and by
red color.