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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Assortments
▶ Pressure Transmitter EJA
▶ Pressure Transmitters EJA-E
▶ Pressue Transmitter EJX
▶ Safety Instrumented System (SIS)
▶ Valve Positioners & Converters
▶ Field Mount Indicators
▶ Temperature Transmitters
▶ Magnetic Flowmeters
▶ Vortex Flowmeter
▶ Ultrasonic Flowmeters
▶ Coriolis Mass Flowmeters - ROTAMASS 3-Series
▶ Variable Area Flowmeters – Rotameters
▶ Device Smart Communicators
▶ PORTABLE AND HANDHELD INSTRUMENTS
▶ Distributed Control System (DCS)
▶ Process Analyzers
▶ Paperless Recorders
▶ Strip Chart Recorders
▶ Data Acquisition Equipment
▶ UT Series Temperature Controllers
▶ UP Series Program Controllers
▶ UM Series Digital Indicators with Alarms
▶ UT100 Series Temperature Controllers
▶ UD Series Manual Setters
▶ Limit Controllers
▶ YS Series Single-loop Controllers
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) |