Draeger 8101801 Phosphine 1/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 10 to 100 / 1 to 20 ppm
• Number of Strokes n: 2 / 10
• Time for Measurement: approx. 2 min / approx. 10 min
• Standard Deviation: ± 15 to 20 %
• Color Change: yellow → dark-brown

Ambient Operating Conditions:

• Temperature: 5 to 40 °C
• Absolute Humidity: max. 30 mg H2O / L

Reaction Principle:

• PH3 + Au3+ → Au (colloidal)

Cross Sensitivity:

• Ammonia, hydrogen chloride, hydrogen sulfide and mercaptans are retained in the prelayer.
• Arsine and stibine are also indicated, however, with less sensitivity.