HDO series aquaculture specific fluorescent dissolved oxygen sensorSpecially tailored for the aquaculture market, using self-developed fluorescent materials. No oxygen consumption, no flow rate limitation, no need for electrolyte, maintenance and calibration free, strong anti-interference ability, and excellent stability. Built in temperature sensor with automatic temperature compensation. RS485 output, can be networked without the need for a controller.

Characteristics of 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
• Tailored specifically for the aquaculture market, with ultra-high cost-effectiveness

Technical parameters of optical dissolved oxygen sensor

name	Specialized fluorescent dissolved oxygen sensor for aquaculture
model	HLR-505-A
Measurement principle	fluorescence
Range of measurement	0~20mg/L or 0~200% saturation
accuracy	3%
response time	60 S
sensor drift	<3% per year
temperature sensor	NTC
temperature range	0 ~ 50℃
Temperature Accuracy	±0.5℃
protection grade	IP68
Maximum operating pressure	6bar
sensor interface	Supports RS-485 and MODBUS protocols
assemble	M22*1.5mm
power information	DC 6~12V， Current<50mA
Sensor Size	Φ22*188.3
Probe cable length	10 meters (default), customizable
calibration	One or two point calibration
Fluorescent cap lifespan	Guaranteed use for one year (under normal use)
Shell material	316L