Online optical dissolved oxygen sensor, specialized fluorescence method for dissolved oxygen in aquaculture

Online optical dissolved oxygen sensor, specialized fluorescence method for dissolved oxygen in aquaculture

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