- Description / Features / Spec
Drager Detection Tubes - Benzene 5/a (Pack of 10)
Drager Safety short-term detection tubes are known worldwide as a cost-effective way of detection measurements of Benzene gas.
These particular tubes, Benzene 5/a, have a measuring range of 5 to 40 ppm and have a shelf life of 2 years. They come in a pack of 10 tubes.
The Drager Gas Detection Pump (Accuro) is compatible with the short-term gas detection tubes. You can purchase this product by clicking here.
- Obtain measurements in difficult places with various accessories
- On-spot-measurements and readings can be accessed
- Readings can take anything from 10 seconds to 15 minutes depending on the tube
- Pre-entry checks, confined space entry, variations in concentration levels and also contamination of breathing areas are amongst a number of potential of applications
Application Range Standard Measuring Range: 5 to 40 ppm Number of Strokes n: 15 to 2 Time for Measurement: max. 3 min Standard Deviation: ± 30 % Color Change: white --> red brown Ambient Operating Conditions Temperature: 0 to 40 °C Absolute Humidity: max. 50 mg H2O / L Reaction Principle 2 C6H6 + HCHO --> C6H5-CH2-C6H5 + H2O
C6H5-CH2-C6H5 + H2SO4 --> p-quinoid compound
Cross Sensitivity Other aromatics (toluene, xylene) are retained in the pre-layer causing a reddish brown discoloration. If the toluene or xylene concentrations are too high the entire pre-layer up to the indicating layer is discolored making a benzene measurement impossible. Petroleum hydrocarbons, alcohols and esters do not affect the indication.
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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.
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