PM-R: PM 2.5, Room Mount, 0-500u g/m3, 4-20 mA and 0-10 VDC, Modbus RS-485
$634.64
ACI PM 2.5, Room Mount, 0-500u g/m3, 4-20 mA and 0-10 VDC, Modbus RS-485
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$297.51
$634.64
(+$337.13)