Ozone Switch
Low Cost Ozone Switch with LCD Display
This sensor acts like a thermostat to control ozone generators or fans via an adjustable ozone set point. Ozone readout via a PPM digital meter.
Features:
- easy to install
- Sensor Element separate from Display
- sensor comes precalibrated
- AC power adapter included
- Hysteresis to avoid system chatter
Related Files

OS-3 Info Sheet
109.1 k
Specifications:
This sensor acts like a thermostat to control ozone generators or fans via an adjustable ozone set point. Ozone readout via a PPM digital meter.
Features:
- easy to install
- Sensor Element separate from Display
- sensor comes precalibrated
- AC power adapter included
- Hysteresis to avoid system chatter
Related Files
| OS-3 Info Sheet | |
| 109.1 k |
| Range | 0.5-10.0 PPM |
| Accuracy: | 15-20% within the specified standard operation range of the instrument |
| Temperature and humidity range: | 50-80 deg F (10-27 deg C). For indoor use only. 30-60% relative humidity. |
| Measuring Principle | Heated metal oxide semiconductor (HMOS) |
| Size: | 3" x 2 1/2" x 1-5/8" (76 X 64 X 42 mm). |
| Weight: | 5 oz. (140 grams). |
| Supply voltage required: | 12-24 volts DC, 200 mA. |
| Relay: | SPDT non-latching, 5 amps, 250 volts AC, or 1/8 HP inductive load. |
| Visual Indicators: | Green LED: instrument "on." Red LED: set-point exceeded and relay activated. |
| Response time: | Within 3 minutes when ozone reaches the sensor. |
| Conformity: | This product conforms to the European Community (CE) requirements for emissions (EMI) and interference immunity. |
Related Products:
| Ozone Checker | |
| Remote Alarm Panel for Ozone Sensors |


