Ammonia 5/b, 5 - 100 PPM, Part # 8101941, 10 Tests

Application Range

Standard Measuring Range: 5 to 100 ppm

Number of Strokes n: 1

Time for Measurement: approx. 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

Extension of the Measuring Range

Using n = 2 strokes, divide the reading by 2; the measuring range will be 2.5 to 50 ppm.