Hydrazine 0.25/a, 0.25 - 10 PPM, 0.1 - 5 PPM, Part # CH31801, 10 Tests 

Application Range

Standard Measuring Range: 0.25 to 10 / 0.1 to 5 ppm

Number of Strokes n: 10 / 20

Time for Measurement: approx. 1 min / approx. 2 min

Standard Deviation: ± 10 to 15 %

Color Change: yellow š blue

Ambient Operating Conditions

Temperature: 10 to 50 °C

Absolute Humidity: < 20 mg H2O / L

Reaction Principle

N2H4+ pH Indicator š blue reaction product

Cross Sensitivity

This tube indicates other basic gases (e.g. organic amines and ammonia), however, with differing sensitivity.