pH / ORP Sensors

Economy Digital pH Sensor YG-DHD

YG-DHD

The digital pH sensor (economy version) is a digital sensor developed by YuanGan with the digital circuit integrated inside the sensor. The electrode has a blue spherical glass bulb, an RS-485 interface and the Modbus-RTU communication protocol.

Typical applications

Water Treatment Plants
Distribution Network
Secondary Water Supply
End Users
Swimming Pool Water
Other Water Treatment Equipment

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Key features

01
Industrial-grade anti-EMI design
Keeps the signal stable and interference-free
02
Simple and convenient to connect
Standard Modbus-RTU protocol
03
Lower cost for users
Economical, giving users more choices
04
IP68 ingress protection
Submersible installation possible

Technical Specifications

pH
Measurement method	Electrochemical (electrode) method
Range	0–14
Resolution	0.01
Accuracy	±0.1
Repeatability	0.01
Response time (T90)	≤60 s
Calibration method	One-, two- or three-point calibration
Temperature
Measurement method	Thermistor method
Range	-5–60 °C
Resolution	0.1 °C
Accuracy	±0.4 °C
Repeatability	0.2 °C
Response time (T90)	≤25 s
Calibration method	One-point calibration
System
Operating voltage	DC 9–28 V
Peak power	0.5 W
Measured parameters	pH, temperature
Communication interface	RS485, 4–20 mA (optional)
Operating temperature	-5 °C~45 °C (non-freezing)
Operating pressure	<0.1MPa
(Note: specifications may change with product improvements; YuanGan reserves the right to modify them.)