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Drager Water Vapour 5/a-P (2-450 mg/m3) Aerotest Tube

PRODUCT CODE:
6728531
Drager Water Vapour 5/a-P (2-450 mg/m3) Aerotest Tube
£89.23 inc VAT
£74.36
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Product description

Drager Water Vapour 5/a-P (2-450 mg/m3) Aerotest Tube

Drager Aerotest Tubes (for use with LP or HP Aerotest Kit) - Water Vapour 20/a-P (for use with HP/LP Simultan) Overall measuring range is 20-450 mg/m3, see the specifications table for a breakdown of measurement range capabilities.

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

Specification
Application Range 
Standard Measuring Range:
  • Overall 2-450 mg/m3 but breaks down in to the following:
  • 10 to 450 mg H2O/m3 for 25 L test volume
  • 5 to 200 mg H2O/m3 for 50 L test volume
  • 2 to 80 mg H2O/m3 for 100 L test volume
Test Volume: 50 L
Flow Rate: 2 L / min
Time for Measurement: approx. 25 min
Standard Deviation: ± 15 to 20 %
Color Change: yellow --> reddish-brown
   
Ambient Operating Conditions 
Temperature: 0 to 40 °C
Pressure: The tube may only be
used for depressurized
compressed air
  
Cross Sensitivity
Alcohols and unsaturated hydrocarbons of high concentrations may cause a diffused discoloration of the indicating layer.
 
Extension of the measuring range
The following evaluation applies for other volumes:
 
reading:    5 10  30   50   70   100  150  200 mg H2O/m3
25 L vol.: 10 20  70 110 160  220  340  450 mg H2O/m3
100 L vol.: 2   4  12   20   28    40     60    80 mg H2O/m3
 

i.e. given a test volume of 25 L the scale reading of
50 mg H2O/m3 corresponds to a measured value of
110 mg H2O/m3


Relative Standard Deviation:  ± 25 to 30 % ( 25 L)
                                                     ± 20 to 25 % (100 L)
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