- 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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ORDER CANCELLATION AND GOODS RETURN
Should you wish to cancel an order or return unwanted goods please follow the procedures detailed below to help us ensure cancellations/returns are processed as quickly and efficiently as possible.
Simply log on to your customer account, note the order reference number and email the full cancellation details to [email protected] or contact us on 0844 550 0001. Assuming the order has not been despatched we will cancel.
You have the right to cancel the purchase of goods without having to give a reason at any time within the “cooling off period” of seven working days, beginning the day after you take delivery of your order.
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We recommend you inspect all goods prior to signing for and accepting delivery. If there is any visible damage to the outer packaging, ensure goods are sign for as damaged. In instances where it isn’t possible to sign for goods as damaged, these should be signed for as unexamined.
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