Phone: (712) 439-6880
Hours: 8 AM - 5 PM Central Time
This product is inActive. You cannot purchase it online.

A-21ZX: Portable Ozone Detector

Portable Ozone Detector for leak detection and general monitoring.


  • Small size and high sensitivity
  • Fast ozone response
  • Very simple operation
  • Consider: Portable. Range: 0 - 10 ppm. Display: LCD.

(See Full Specifications)

Discontinued. This product has been discontinued. You can still view product information or download support documents (such as manuals) from this page, but you can no longer purchase this item online. If you would like to know more, feel free to give us a call at (712) 439-6880.


The A-21ZX Ecosensor Ozone Detector quickly measures ambient ozone levels and, with a 0 - 10 PPM range, it is appropriate for both ambient ozone monitoring, and ozone leak detection. The 8 hour battery life allows for full-shift use on a single overnight charge. This product can be used indoors or outdoors, as long as it is operated within the specified guidelines.

Monitor Quick Comparison:
Portable: Yes
Range: 0.01-10.00 ppm
Display: LCD
Alarm: No
Outputs: No
Datalogging: No
Indoor/Outdoor: Indoor

Optional AccessoriesDescription
International Plug Adapter220V/50Hz Power Option necessary for overseas use.
OG-3 Sensor CheckerSensor checker for 0.1 ppm ozone span gas.


Range 0.02 - 10 ppm (20 - 10000 ppb)
Accuracy +/- 20%
Resolution 0.01 ppm (10 ppb)
Display Units ppm
Response Time 1 minute
Detection Method HMOS
Display Digital
Alarm None
Internal Datalogging no
Analog Outputs
Communication Protocol None
Temperature Range 32 to 104°F (0.0 to 40°C)
Humidity Range 0 to 80%
Has Battery yes , internal NiMH rechargeable (8 hr life per charge)

Native Power

12 VDC 0.3 A

Included Option

120 VAC 60 Hz Adapter

Available Option

220 VAC 50 Hz Adapter
Dimensions 2 x 4 x 1 inches (5.1 x 10.2 x 2.5 cm)
Weight 0.37 lbs (0.17 kg)
= 1.668083 N
= 0.375 lb
= 0.170097 kg
= 170.097138 g
= 170,097.138166 mg
= 6 oz
Supporting Documents User Manual and NIST Traceable Calibration Sheet included
Warranty 1 Years
Multi-Gas Capable no
Relays 0

Last Updated: February 23, 2018

The above information is from and is copyrighted by Ozone Solutions Inc.
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Phone: (712) 439-6880
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