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Drager Hydrogen Sulphide 5/a-D (0.63-60 ppm) Diffusion Tube

PRODUCT CODE:
6733091
Drager Hydrogen Sulphide 5/a-D (0.63-60 ppm) Diffusion Tube
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£114.96 inc VAT
£95.80

Please note this product is currently discontinued.

Product description

Drager Hydrogen Sulphide 5/a-D (0.63-60 ppm) Diffusion Tube

Please note this product is in phase-out, check stock levels before ordering by calling 0141 771 7749.

Drager Short Term Detection Tubes: Detects a range of substances incl. Hydrogen Sulphide 5/a-D, Hydrogen Sulphide 10/a-D.

 Note: This product has a shelf life of 2 years.

Hydrogen Sulphide 10/a-D

Application Range  
Standard Range Measurement Time
10 to 300 ppm 1 h
5 to 150 ppm 2 h
2.5 to 75 ppm

4 h
1.3 to 40 ppm 8 h
Standard Deviation ± 20 to 25 %
Color Change white - brown

 

Ambient Operating Conditions

Temperature 0 to 40 °C
Absolute Humidity < to 15 mg H2O / L

 

Reaction Principle

H2S + Pb2+ - PbS + 2 H+

Cross Sensitivity

50 ppm Hydrochloric acid does not interfere.  In the presence of 50 ppm ammonia for 2 hours, the hydrogen sulfide indication will show minus errors of about 20%.  The influence of chlorine and nitrogen dioxide in the TLV range is negligible, but higher concentrations lead to minus errors.  The influence of sulfur dioxide in the TLV range is also negligible, but higher concentrations lead to plus errors.

 

 

Specification

Hydrogen Sulphide 10/a-D

Application Range  
Standard Range Measurement Time
10 to 300 ppm 1 h
5 to 150 ppm 2 h
2.5 to 75 ppm 4 h
1.3 to 40 ppm 8 h
   
Standard Deviation ± 20 to 25 %
Color Change white - brown
   
Ambient Operating Conditions
Temperature
0 to 40 °C
Absolute Humidity < to 15 mg H2O / L
   
Reaction Principle
H2S + Pb2+ - PbS + 2 H+
 
Cross Sensitivity
50 ppm Hydrochloric acid does not interfere.  In the presence of 50 ppm ammonia for 2 hours, the hydrogen sulfide indication will show minus errors of about 20%.  The influence of chlorine and nitrogen dioxide in the TLV range is negligible, but higher concentrations lead to minus errors.  The influence of sulfur dioxide in the TLV range is also negligible, but higher concentrations lead to plus errors.

 

 

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