Item #: 8103251
MFG: Draeger

Hydrogen Fluoride Detection Tubes 0.5/a (0.5 - 90 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 Range0.5 to 15 / 10 to 90 ppm
Number of Strokes (n)10 / 2
Time for Measurementapprox. 2 min. / approx. 25 sec.
Standard Deviation±20 to 30 %
Colour Changeblue violet ─> yellow
Temperature10 to 40° C
Absolute Humidity30 to 80 %
Reaction PrincipleHF + pH indicator ─> yellow reaction product
Cross SensitivityOther mineral acids, e.g. hydrochloric acid
or nitric acid, are indicated. Alkaline gases,
e.g. ammonia, causes minus results or
prevents an indication.