$193.00
SE
BH-60-O2 fixed oxygen concentration Detector with display + alarm
electrochemistryoxygen

$171.00
SE
BOSEAN BH-90M-O2 Oxygen Gas Detector
0-30%vol
Range 0-30% vol, resolution 0.1% vol, unit vol, suitable for gas oxygen, the alarm point can be manually set, the default alarm point of different gases is different.

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