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Draeger Tube, Water Vapor 1/B 1-40 MG/L, Box of 10

Draeger Tube, Water Vapor 1/B 1-40 MG/L, Box of 10

$123.00
Availability: May direct ship from manufacturer.
Product Code: 8101781

Draeger Tube - Water Vapor 1/b
Order No. 81 01 781

Application Range
Standard Measuring Range 20 to 40 mg/L / 1 to 18 mg/L
Number of Strokes n: 1 / 2
Time for Measurement: approx. 20 seconds / approx. 40 seconds
Standard Deviation: ± 15 to 20%
Color Change: yellow to turquoise-blue
Ambient Operating Conditions
Temperature: 0 to 50° C ~ 32 to 122° F
Absolute Humidity: up to 100% r.h.
Condensation in the tube causes measurement errors. If high r.h. (in excess of 80%) is to be expected, the temperature of the tube should be at least 5 °C higher than ambient temperature. Given a r.h. below 80%, the temperature of the tube should be at least equal to the ambient temperature.
Reaction Principle
H2O + Mg(CIO4)2 → turquoise-blue reaction product
Cross Sensitivity
Acid gases are liable to cause plus errors. Basic gases are liable to cause minus errors.
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