Draeger 8101941 Ammonia 5/b Range Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 5 to 100 ppm
• Number of Strokes n: 1
• Time for Measurement: Approx. 10 sec
• Standard Deviation: ± 10 to 15 %
• Color Change: Yellow → Blue

Ambient Operating Conditions:

• Temperature: 10 to 50 °C
• Absolute Humidity: < 20 mg H2O / L

Reaction Principle:

• NH3 + pH indicator → 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