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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, air or water are all ok
  • User-replaceable sensor cap
  • Low drift and long life time
  • All made by Broadsensor, including fluorescent film
  • Support leakage alarm and salinity compensation
  • Digital output, support RS485 Modbus protocol
  • SS316, PVC, TA body are selectable
Item Technical Specification
Measurement Method luminescence quenching technique
Range 0-2000ppb(ODO)
Resolution 0.1ppb
Accuracy ± 1 ppb or  3% of the Reading (choose the bigger one)
Repeatability
± 0.5ppb or  1.5% of the reading ,choose the bigger one, in 24 hours
Operating temperature 0~45℃
Calibration one point calobration(zero point),in 99.999% nitrogen
Min. Detection Limit 0.8ppb
Warranty 1 year
Depth IP68, 10m Max
Power DC 5~12V 25mA (normal)
Output RS485 and Modbus protocol
Material Titanium, SS316(default), PVC
Dimension Length 141.9mm, diameter 27mm
CIP Cleaning support
Response tim 30s T90 (in the air), 150s T90(in the liquid)
Field life* Sensor 2 years or greater, sensor cap 1.5 years or greater
Recommended Calibration maintain Frequency* Sensor 6 months
Note: *Field life and calibration frequency dependent on site conditions

ppb class Optical Dissolved Oxygen Sensor

PN: 610116
The Broadsensor ppb class optical DO sensor 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.

Teléfono:0512-88960831
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