Easy to install. Less adjustment.

The sensor is located in a replaceable precalibration module.

42 inches apart. Cable, instrument not in high ozone zone.

Sensor readings are compensated for temperature and relative humidity

The replacement sensors are tiny, low-cost, and pre-calibrated to fit our A-22 as well.

Operates under 12-24 volts DC or AC adapters available in the range.

Provide alarms, data loggers and other accessories

Programmable on and off set points.

Indication when the safety standard exceeds 0.1ppm.