Dräger ORSA 5 - PN 6728891
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Dräger ORSA 5 - PN 6728891

$223.00
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Dräger ORSA 5 (5 samplers, 5 holders, 5 shipping vials)
PN: 6728891

· ORSA for organic compound lab analysis



Application Range
Adsorbate  organic compounds which adsorb on activated charcoal by diffusion 
Sorption agent coconut shell coal 
Adsorption capacity  max. 10 mg, depends on substance
Adsorption layer     
400 mg
Diffusion rate  1 to 4 µg/ppm x h , depends on substance
Sampling rate  5 to 10 mL/min, depends on substance
Response time  approx. 2 s
Standard range of measurement  0.1- to 3-times the limit value for most organic solvents for a sampling period of 8 h
Diffusion cross section        
0.88 cm2
Diffusion distance    
0.5 cm
Diffusion barrier          
0.5 cm
Diffusion resistance coefficient    0.8
Apparatus constants     0.71 cm-1
Permissible ambient conditions
Temperature     5 to 40
Moisture     5 to 8 % at 20°C
Atmospheric pressure     below 1050 hPa
Air velocity      at least 1 cm/s
  Advice for sample-taking
Air sampling is carried out in the previously determined measuring period which should be documented. After sample-taking the sampling tube is sent to the laboratory for analysis in the tightly sealed glass bottle.

Dräger ORSA 5 (5 samplers, 5 holders, 5 shipping vials)
PN: 6728891

· ORSA for organic compound lab analysis



Application Range
Adsorbate  organic compounds which adsorb on activated charcoal by diffusion 
Sorption agent coconut shell coal 
Adsorption capacity  max. 10 mg, depends on substance
Adsorption layer     
400 mg
Diffusion rate  1 to 4 µg/ppm x h , depends on substance
Sampling rate  5 to 10 mL/min, depends on substance
Response time  approx. 2 s
Standard range of measurement  0.1- to 3-times the limit value for most organic solvents for a sampling period of 8 h
Diffusion cross section        
0.88 cm2
Diffusion distance    
0.5 cm
Diffusion barrier          
0.5 cm
Diffusion resistance coefficient    0.8
Apparatus constants     0.71 cm-1
Permissible ambient conditions
Temperature     5 to 40
Moisture     5 to 8 % at 20°C
Atmospheric pressure     below 1050 hPa
Air velocity      at least 1 cm/s
  Advice for sample-taking
Air sampling is carried out in the previously determined measuring period which should be documented. After sample-taking the sampling tube is sent to the laboratory for analysis in the tightly sealed glass bottle.