Zetian - Model ZDO-02 -Dissolved Oxygen/Temperature Sensor
The ZDO-02 Dissolved Oxygen Sensor is a kind of intelligent dissolved oxygen (OD) electrode adopting RS485 communication interface and standard Modbus protocol. It can be widely applied to dissolved oxygen monitoring in sewage plants, waterworks, surface water, aquaculture and industries, etc.
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- With corrosion resistant shell and IP68, applicable to all kinds of poor working conditions
- Adopt Optical Method without replacing dissolved oxygen membrane and electrolyte; with features of short polarization time and fast response, the measure is almost unaffected by dirt and velocity
- Small drift of electrode, direct calibration in the air, dispensing with zeroing
- With built-in NTC22K temperature compensation, the accuracy can reach 0.1?.
- Use RS485 communication interface and standard Modbus protocol, convenient for integration
Ttitle: Val
- Principle: 850nm IR 90°Scattering Method
- Range: 0~4000 NTU
- Resolution: 0.001NTU
- Repeatability: ±5%F.S.
- Zero drift: ±3%F.S.
- Span drift: ±5%
- Measurement accuracy: ±5%
- Linearity error: ±5%F.S.
- Actual sample comparison: ±5%
- Communication Interface: RS485, standard Modbus protocol
- Dimension: D34mm, L205mm, cable of 3m (customizable)
- Working condition: 0℃~50℃, 0~5bar
- Working voltage: 12V/24V DC
- Voltage stability: ±3%