Suzhou Hailingrui Environmental Protection Technology Co., Ltd
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    No. 51 Suli Road, Wuzhong District, Suzhou City
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Portable fluorescence dissolved oxygen sensor, optical dissolved oxygen probe
Portable fluorescence dissolved oxygen sensor, optical dissolved oxygen probe
Product details


Overview of Portable Fluorescence Dissolved Oxygen Sensor:
The HDO series portable fluorescence dissolved oxygen sensor adopts a new generation of fluorescence lifetime technology and uses independently developed high-performance fluorescent materials. No oxygen consumption, no flow rate limitation, no need for electrolyte, free from maintenance and calibration, not affected by hydrogen sulfide interference, with excellent stability. Built in temperature sensor with automatic temperature compensation.

Characteristics of HDO portable fluorescence dissolved oxygen sensor:

  • Digital sensor, RS485 output, supports MODBUS
  • No film, no electrolyte required, no interference, no need for frequent calibration
  • No oxygen consumption, no flow rate limitation
  • Built in temperature sensor, automatic temperature compensation
Technical parameters of portable fluorescence dissolved oxygen sensor:
name Portable dissolved oxygen sensor
model HLR-500
Measurement principle fluorescence
Range of measurement 0~20mg/L or 0~200% saturation
accuracy 1%
response time 10 sec
sensor drift <1% per year
temperature sensor NTC
temperature range 0 ~ 50℃
Temperature Accuracy ±0.2℃
protection grade IP68
Maximum operating pressure 6bar
sensor interface Supports RS-485 and MODBUS protocols
power information DC 6~12V, Current<50mA
Sensor Size Φ16*180mm
Probe cable length 5 meters (default), customizable
calibration One or two point calibration
Fluorescent cap lifespan Guaranteed use for one year (under normal use)
Shell material POM and stainless steel

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