Dissolved Oxygen Sensors DO70G
2016-05-27 15:01:08
Description:
Dissolved oxygen (DO) is a liquid process measurement for determining the amount of oxygen dissolved or carried in the process liquid. There are three common technologies for dissolved oxygen measurements: polographic, galvanic and optical. The standard units of measure are milligrams per liter (mg/l), parts per million (ppm), parts per billion (ppb), or % saturation.……
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Description
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.
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) |