Draeger 6728541 Trichloroethylene 2/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 20 to 250 ppm / 2 to 50 ppm
• Number of Strokes n: 3 / 5
• Time for Measurement: approx. 1.5 min / 2.5 min
• Standard Deviation: ± 10 to 15 %
• Color Change: pale grey → orange

Ambient Operating Conditions:

• Temperature: 10 to 40 °C
• Absolute Humidity: 5 to 15 mg H2O / L

Reaction Principle:

• Cl2 + o-tolidine → orange reaction product

Cross Sensitivity:

• Other chlorinated hydrocarbons are indicated, but with different sensitivities.
• Free halogens and hydrogen halides in the TLV range are also indicated.
• It is impossible to measure trichloroethylene in the presence of these substances.
• Petroleum hydrocarbons cause low readings.