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Drager Hydrochloric Acid 10/a-D (10-200 ppm x h) Diffusion Tube

PRODUCT CODE:
6733111
Please note: this product is now obsolete.

Please note this product is currently discontinued.

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Product description

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.

Key Features

  • 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
Specification
Application Range  
Standard Range Measurement Time
10 to 200 ppm 1 h
5 to 100 ppm 2 h
2.5 to 50 ppm

4 h
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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