Ammonia 5/a, 5 - 700 PPM / 50 - 700 PPM, Part # CH20501, 10 Tests

Application Range

Standard Measuring Range: 5 to 70 ppm / 50 to 600 ppm

Number of Strokes n: 10 / 1

Time for Measurement: approx. 60 s / 10 s

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

NH3 + pH indicator š blue reaction product

Cross Sensitivity

Other basic substances such as e.g. organic amines are indicated as well. The indication is not affected by: 300 ppm nitrous fumes 2,000 ppm sulfur dioxide 2,000 ppm hydrogen sulfide