Dräger Tube Nitrous Fumes 20/a - PN: 6724001 (Obsoleted)
Dräger Tube Nitrous Fumes 20/a (10) (obsoleted)
PN: 6724001
Replaced by 3706171
Application Range
Standard Measuring Range: 20 to 500 ppm
Number of Strokes n: 2
Time for Measurement: approx. 30 s
Standard Deviation: ± 10 to 15 %
Color Change: grey ä red brown
Ambient Operating Conditions
Temperature: 15 to 40 °C
Absolute Humidity: max. 40 mg H2O / L
Reaction Principle
a) NO + CrVI ä NO2
b) NO2 + o-dianisidine ä red brown reaction product
Cross Sensitivity
There is no influence of chlorine and ozone, if these gases are in range of their TLVs. Higher concentrations are indicated with different sensitivities.
Dräger Tube Nitrous Fumes 20/a (10) (obsoleted)
PN: 6724001
Replaced by 3706171
Application Range
Standard Measuring Range: 20 to 500 ppm
Number of Strokes n: 2
Time for Measurement: approx. 30 s
Standard Deviation: ± 10 to 15 %
Color Change: grey ä red brown
Ambient Operating Conditions
Temperature: 15 to 40 °C
Absolute Humidity: max. 40 mg H2O / L
Reaction Principle
a) NO + CrVI ä NO2
b) NO2 + o-dianisidine ä red brown reaction product
Cross Sensitivity
There is no influence of chlorine and ozone, if these gases are in range of their TLVs. Higher concentrations are indicated with different sensitivities.