ECO Sensors A-21ZX Single Gas Detector, Ozone, 0.02-9.99 ppmv

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The Eco Sensors Model A-21ZX portable ozone sensor provides a reliable and inexpensive way of checking generators, valves, piping and general environments for ozone leaks and for estimating ozone levels. It can be used as a permanent monitor indoors when concentrations average below .1 ppm. It may be used outdoors for ozone studies in moderate temperature conditions.

SKU: ECOA21ZX Category: Tag:



Small size and high sensitivity
Ease of calibration and service
Instant On
Very simple operation


Range: 0-10 ppm; sensitivity as low as .02 ppm
Display: digital readout in .01 ppm increments
Measurement principle: HMOS (heated metal oxide semiconductor) sensor
Size: 50 × 100 × 25 mm (2 × 4 × 1 in)
Weight: 170 grams (6 oz)
Power requirements: 12 VDC unregulated; AC adapters available worldwide
Battery: Rechargeable batteries last more than 8 hours

Additional information

Weight 1 lbs