Item #: 6718601
MFG: Draeger

Chloroformates Detection Tubes 0.2/b (0.2 - 10 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 Range0.2 to 10 ppm
Number of Strokes (n)20
Time for Measurementapprox. 3 min.
Standard Deviation±20 to 30 %
Colour Changewhite ─> yellow orange
Temperature10 to 40° C
Absolute Humidity5 to 15 mg H2O / L
Reaction PrincipleCICOOR + 4-(4-nitrobenzyl)-pyridine
> yellow reaction product
Cross SensitivityMethyl, ethyl and isopropylchloroformate
are indicated with approximately the same
sensitivity. It is impossible to differentiate
them. Petroleum hydrocarbons, aromatics,
alcohols and ketones in the TLV range do
not affect the indication. It is impossible to
measure chloroformate in the presence
of phosgene.