Draeger CH29501 Hydrochloric Acid 1/a Detector Tubes (10 tests per box)

Application Range:

• Standard Measuring Range: 1 to 10 ppm
• Number of Strokes n: 10
• Time for Measurement: Approx. 2 min
• Standard Deviation: ± 10 to 15 %
• Color Change: Blue → Yellow

Ambient Operating Conditions:

• Temperature: 5 to 40 °C
• Absolute Humidity: max. 15 mg H2O / L

Reaction Principle:

• HCI + bromophenol blue → yellow reaction product

Cross Sensitivity:

• Hydrogen sulfide and sulfur dioxide in the TLV range do not interfere.
• It is impossible to measure hydrochloric acid in the presence of other mineral acids.
• Chlorine and nitrogen dioxide are indicated, but with different sensitivities.