Optical Dissolved Oxygen Sensor DO70G
DO70G optical dissolved oxygen sensor is designed for using in water treatment plants such as sewage treatment works and effluent activated sludge process.
This optical sensor has a fast response time and good long term stability, and features replaceable sensor cap and cable for easy maintenance. A temperature sensor is incorporated for compensation. The DO70G sensor can be used in either the PB350G/PB360G floating ball holder or in the DOX8HS submersion type holder.
Description：
A Optical DO sensor that uses a phase measurement method and realizing stable measurements over a long period of time.
Measuring range of 0 to 25 mg/l.
A sensor cap that is easily replaceable by anyone.
| Dissolved Oxygen | 0 to 25 mg/l (ppm) |
| Liquid Temperature | 0 to 50℃ |
| Liquid Pressure | 0 to 500 kPa |
| Flow speed | 20 cm/s or more |
| Sensor for Temperature Compensation | 22k NTC |
| Cable Length | 3, 5, 10 m |
| Weight | Sensor; Approx. 0.1 kg Cable; 3 m; Approx. 0.4 kg / 5 m; Approx. 0.6 kg / 10 m; Approx. 1.1 kg |
| Repeatability | 0.1 mg/l or 3% FS, whichever is greater |
| Temperature Compensation Error | Within ±3% FS for a ±5℃ change in the range of 0 to 40℃ |
| Response Time | Within 120 sec. (90 % response) |
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