Conductivity & DO Sensors

Digital Dissolved Oxygen Sensor YG-FD

YG-FD

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The digital dissolved oxygen sensor is a digital sensor developed by YuanGan for online drinking-water quality monitoring, with the digital circuit integrated inside the sensor. It monitors two parameters in real time: dissolved oxygen concentration and temperature, using an RS-485 interface and the Modbus-RTU communication protocol. It is widely used for online dissolved oxygen monitoring of domestic drinking water, surface water, groundwater, wastewater and more.

Typical applications

Domestic Drinking Water
Surface Water
Groundwater
Online dissolved oxygen monitoring of wastewater and more

견적 요청 WhatsApp

yan@yuangankeji.com · +86-400-1688-667 · WhatsApp +86 151 7883 0466

Key features

01
Fast response
Fluorescence detection technology
02
Low maintenance
No DO membrane or electrolyte replacement
03
Wide range of applicable environments
Temperature compensation
04
Suitable for long-term underwater operation
Corrosion-resistant housing, IP68 waterproof rating
05
Digital sensor
RS485 interface and standard Modbus protocol for easy integration

Technical Specifications

Specification
Measurement method:	Fluorescence method
Range:	0–20 mg/L(0–200% saturation)
Resolution:	0.01 mg/L
Limit of detection:	0.1 mg/L
Accuracy:	±3% or ±0.2mg/Lwhichever is greater
Repeatability:	±3% or ±0.2mg/Lwhichever is greater
Response time (T90):	≤60 s
Calibration method:	Air calibration
Calibration interval:	Every 1 month recommended
Housing material:	ABS
Operating temperature:	-5–45 °C (non-freezing)
Ingress protection:	IP68
Operating voltage:	DC 9–36 V
Peak power:	0.4 W
Digital output:	RS485 Modbus protocol
(Note: specifications may change with product improvements; YuanGan reserves the right to modify them.)