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Key Advantages:

Smart sensor retains all calibration in the sensor

Membrane-less, no electrodes design

Flow Independent and No oxygen consumption

No warm-up time required

Easy to store

User-replaceable sensor cap

Low drift and long life time

All made by Broadsensor, including fluorescent film

Support salinity compensation

Digital output, support RS485 Modbus protocol

Item Technical Specification
Measurement Method luminescence quenching technique
Range 0-20mg/L or 0-200% Air Sat.
Resolution 0.01mg/L
Accuracy 3% reading or 0.05mg/L, w.i.g
Operating temperature 0~45℃
Storage Temperatur -10~50℃
Min. Detection Limi 0.05mg/L
Warranty 1 year
Depth IP68
Power DC 5V 5%
Output RS485 and Modbus protocol
Material Titanium
Dimension Length 143mm, diameter 16mm
Flow rat < 3 m/s
Response tim Minimum 30s T90
Field life* Sensor 2 years or greater, sensor cap 2 years or greater
Recommended Calibration maintain Frequency* Sensor 6 months

Note: *Field life and calibration frequency dependent on site conditions

**w.i.g:which is greater

ODO sensor(16mm diam

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Optical Dissolved Oxygen Sensor(diameter 16mm)

The Broadsensor optical DO sensor(diameter 16mm) is coated with a luminescent material. Blue Light from an LED strikes the luminescent chemical on the sensor. The luminescent chemical instantly becomes excited and then as the excited chemical relaxes, it emit red light. The red light is detected by a photo diode. The time it takes for the chemical to return to a relaxed state is measured by referring an independent red led light. Oxygen has a dampening effect on this reaction. The oxygen concentration is proportional to the time it takes for the luminescent material to return to a relaxed state.

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