Brand：
$259.00
SE
BH-60-CH2O Fixed CH2O Gas Detector with display + alarm
electrochemistryformaldehyde
$240.00
SE
BOSEAN BH-90M-CH2O formaldehyde Gas Detector
0-20ppm
Range 0-20ppm, resolution 1/0.1 ppm, unit ppm, suitable for gas formaldehyde, its advanced large-scale integrated circuit technology, in line with international intelligent technical standards, gas detection through natural diffusion, with good sensitivity and repeability.
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