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Drager Short Term Detection Tubes - Hydrogen Sulphide 0.2%/a (Pack of 10)

Drager Detection Tubes - Hydrogen Sulphide 0.2%/a (Pack of 10)

£106.48 inc VAT

£88.73

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Product description

These hydrogen sulphide (H2S) short-term gas detection tubes have a measurement range of 0.2 to 7 vol%.

They come in a pack of 10 tubes and have a shelf life of 2 years.

Buy the Drager Accuro Gas Detection Pump by clicking here . This is required for the use of short-term gas detection tube.

Reach difficult measurement areas with the tubes, pump and accessories
Carry out measurements on the spot
Measurement results may take between 10 seconds and 15 minutes depending on the type of tube used
Applications for use include variations in concentrations in the workplace, contamination of breathing zones, pre-entry checks and confined space entry

Specification

Application Range
Standard Measuring Range:	0.2 to 7 vol. %
Number of Strokes n:	1 + 2 desorption strokes in clean air
Time for Measurement:	approx. 2 min
Standard Deviation:	± 5 to 10 %
Color Change:	pale blue - black

Ambient Operating Conditions
Temperature:	0 to 60 °C
Absolute Humidity:	max. 40 mg H2O / L

Reaction Principle
H2S + Cu2+ - CuS + 2 H+

Cross Sensitivity
In the presence of sulfur dioxide, the indicating layer can change to a yellowish color, but the hydrogen sulfide measurement is not affected. Comparable concentrations of mercaptan will interfere with the reading.