Polaris Handheld DO Sensor with NFC and Bluetooth
The Polaris is a handheld dissolved oxygen and temperature meter built for high-DO environments like nanobubble systems and aquaculture. It connects via NFC tags and Bluetooth, letting you log and monitor DO levels without manual data entry. Designed for field use where fast, accurate DO measurement matters.

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| General | |||
|---|---|---|---|
| 1 | Model name | Dissolved Oxygen Controllers and Monitors for Nanobubble Systems | |
| 2 | Model number | DO_sensor_Polaris | |
| 3 | Technology | membrane-covered galvanic oxygen sensor technology | |
| Liquid | Metric | Imperial | |
| 4 | water temperature minimum | -5 ℃ | 23 ℉ |
| 5 | water temperature maximum | 40 ℃ | 104 ℉ |
| Ambient | Metric | Imperial | |
| 6 | Ambient temperature minimum | -20 ℃ | -4 ℉ |
| 7 | Ambient temperature maximum | 60 ℃ | 140 ℉ |
| Dimensions & weight | Metric | Imperial | |
| 8 | HS code | 9027.1000 | 9027.1000 |
| Remarks | |||
| 9 | Other remarks | ||
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