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Acts like a thermostat to control ozone generators and alarms based on adjustable ozone concentration set-points. Ozone ppm readout via digital meter. Simple and inexpensive.
SM-4 sensing module located up to 100 meters from the OS-4
|Range and Accuracy||.03-20 ppm of ozone|
|Accuracy||0-15% (Depends on application)|
|Temperature and humidity||5-40°c 20-95% RH|
|Measurement Principle||HMOS (heated metal oxide semiconductor) sensor|
|Size||127 * 64 * 42 mm (5 * 2.5 * 1.625 in)|
|Weight||200 gr (7 oz)|
|Power Requirements||12-24 VDC, 300 mA. AC adapters available|
|Connections||Terminal blocks for relay output and DC input. 2.5 mm DC power jack for AC adapter.|
|Indicators||Green LED: instrument on. Yellow LED: >.1 ppm. Red LED: generator on.|
|Outputs||0-2 V, 4-20mA, RS-232 digital.|
|Case||Flame-resistant ABS with mounting ears.|
|Not recommended for use in the presence of strong acid gases or VOC fumes.|