Conductivity & DO Sensors

Digital Pure-Water Conductivity / Resistivity Sensor YG-AC

YG-AC

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The digital pure-water conductivity / resistivity sensor is a digital sensor developed by YuanGan for online pure-water quality monitoring, with the digital circuit integrated inside the sensor. It monitors conductivity and temperature in real time, using an RS-485 interface and the Modbus-RTU communication protocol. It is used for online conductivity / resistivity monitoring of electronic-grade, pharmaceutical, food-processing and laboratory pure water, providing reliable data for water quality control during pure-water production, circulation and use.

Typical applications

Electronic-Grade Pure Water
Pharmaceutical Pure Water
Food-Processing Pure Water
Laboratory pure water and more

견적 요청 WhatsApp

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

Key features

01
Isolated power supply design
Stable data with strong interference immunity
02
Built-in protection circuit
Enhanced interference immunity for harsh environments
03
Temperature compensation
Wide range of applicable environments
04
IP68 ingress protection
Corrosion-resistant housing for long-term underwater operation
05
Digital sensor, easy to integrate
RS485 communication interface, standard Modbus protocol
06
Low-power design
Suits more applications; onboard memory keeps calibration and settings through power loss.

Technical Specifications

Conductivity / resistivity specifications
Range:	Conductivity: (0–20)μS/cm Resistivity: (0.05–18.25) MΩ.cm
Resolution:	0.01uS/cm
Limit of detection:	0.05uS/cm
Accuracy:	±1%F.S.
Repeatability:	0.5%F.S.
Measurement method:	Conductivity cell method (automatic temperature compensation)
Calibration method:	One-point calibration
Response time (T90):	≤30 s
Temperature specifications
Range:	-5 °C-60 °C
Resolution:	0.1 °C
Accuracy:	±0.4 °C
Repeatability:	0.2 °C
Measurement method:	Thermistor method
Calibration method:	One-point calibration
Response time (T90):	≤25 s
System parameters
Operating voltage:	DC9–28 V
Peak power:	0.5 W
Measured parameters:	Conductivity / resistivity, temperature
Digital output:	RS485, Modbus protocol, 4–20 mA
Operating temperature:	-5 °C-45 °C (non-freezing)
Ingress protection:	IP68
Dimensions:	220mm*φ32
Mounting:	G1/2 thread (other threads available on request)
(Note: specifications may change with product improvements; YuanGan reserves the right to modify them.)