- Description / Features / Spec
Drager Hydrochloric Acid 10/a-D (10-200 ppm x h) Diffusion Tube
Please note: this product is now obsolete.
This Drager diffusion tube is for Hydrochloric Acid (10/a-D) and features a measuring range of 10 to 200 ppm x 1 hour.
It features a maxiumum operation time of 8 hours and has a shelf life of 2 years.
Hydrochloric Acid is a clear and colourless type of gas.
- Ideal for long-term measurements
- Gives direct indication
- Represent average concentration during the sampling period
- Can be economically used as a personal monitor to determine weight average concentration
- No requirement for Accuro Pump
Application Range Standard Range Measurement Time 10 to 200 ppm 1 h 5 to 100 ppm 2 h 2.5 to 50 ppm
1.3 to 25 ppm 8 h Standard Deviation ± 20 to 25 % Color Change blue - yellow Ambient Operating Conditions Temperature: 18 to 22 °C Absolute Humidity: 3 mg H2O / L Only gaseous hydrogen chloride is measured. Higher atmospheric humidities can lead to the formation Reaction Principle HCI + Bromophenol blue --> yellow reaction product Cross Sensitivity 10 ppm Sulfur dioxide has no influence on the indication during an 8-hour measurement. Other acid gases are also indicated, but with different discolorations and sensitivities. Nitrogen dioxide discolors the indicating layer red brown. After 4-hours, 5 ppm chlorine simulates a hydrochloric acid indication of 35 ppm x h.
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