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Gastec Ammonia (NH3) Gas Detector Tubes. Options:

Ammonia (NH3) Gas Detector Tubes
Measuring Range: 2.5-200 ppm
(10 tubes, 10 tests per box)
P/N 3LA

Ammonia (NH3) Gas Detector Tubes
Measuring Range: 0.2-32%
(10 tubes, 10 tests per box)
P/N 3H

Ammonia (NH3) Gas Detector Tubes
Measuring Range: 0.05-3.52%
(10 tubes, 10 tests per box)
P/N 3HM

Ammonia (NH3) Gas Detector Tubes
Measuring Range: 0.5 - 78 ppm
(10 tubes, 10 tests per box)
P/N 3L

Ammonia (NH3) Gas Detector Tubes
Measuring Range: 10-1000 ppm
(10 tubes, 10 tests per box)
P/N 3M