Issue Date: November 22, 1995
Revision Date: August 23, 1999
 

Mine Safety Appliances

Tankgard P/N 481532,Tankgard VIII P/N 488803

OUT-OF-TANK PRODUCT DETECTOR (VAPOR-PHASE)

 

Detector:           

Output type

quantitative

Sampling frequency

continuous

Operating principle

metal oxide semiconductor

Test Results:

 

benzene

2-methylbutane

Detection time (sec)

5

16

Fall time (min:sec)

04:12

04:42

Lower detection limit (ppm)

12.5

12.5

Specificity Results (in addition to above):
Activated (100%):  n-butane, n-hexane, 2-methylpentane, toluene, isobutane.

Manufacturer’s specifications:

Maximum Wire Distance

500 ft using 18 AWG

Response Time

30 seconds

Recovery Time

1 minute maximum
Sensor Life 2 year warranty

 

Mine Safety Appliances

Evaluator: Carnegie Mellon Research Institute

P. O. Box 427

Tel:  (412) 268-3495

Pittsburgh, PA 15230

Dates of Evaluation:  03/26/91, 03/28/91

Tel:  (800) 672-4678      

 

 

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