Draeger Tube, Nitrous Gases 20/A 20-500ppm, Box of 10

$106.00

Availability: May direct ship from manufacturer.

Product Code: 6724001

Brand: DRAEGER SAFETY INC.

Application Range
Standard Measuring Range	20 to 500 ppm
Number of Strokes n:	2
Time for Measurement:	approx. 30 seconds
Standard Deviation:	± 10 to 15%
Color Change:	grey to red brown

Ambient Operating Conditions
Temperature:	15 to 40° C ~ 59 to 104° F
Absolute Humidity:	max. 40 mg H₂O / L

Reaction Principle
a) NO + Cr^VI → NO₂ b) NO₂ + o-dianisidine → 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.

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