PHS-8E Series Intelligent On-line pH/ORP Transmitter
□Typical Applications
It is used for online monitoring of pH/ORP in industries such as chemicals, petroleum, petrochemicals, rubber, papermaking, brewing, sugar production, food, mining, metallurgy, steel, power generation, pharmaceuticals, water treatment, environmental protection, and agriculture.
□Product Features
◎16-bit high-precision AD conversion and low-power microprocessor technology.
◎Panel mounted, compact and easy to install and monitor centrally.
◎Full Chinese menu for convenient operation, easy to learn.
◎Automatic recognition and calibration of pH standard solutions, with automatic temperature compensation.
◎The LCD display can show pH, temperature, output current, alarm information, time and many other information.
◎Isolation between power supply, measurement, and output circuits, providing strong anti-interference capability.
□Technical Specifications
1）Measurement Range: pH：0～14pH ORP：-1999～+1999mV
2）Instrument Resolution: 0.01pH(±0.1mV)
3）Measurement Accuracy: ±0.02pH（±1.2mV）
4）Instrument Stability: ±0.02pH（±1.2mV）
5）Temperature Input: Pt1000,Pt100
6）Temperature Measurement Range: -30～130℃
7）Temperature Resolution: 0.1℃
8）Temperature Measurement Accuracy: ±0.25℃
9）Analog Output：optional 2-way 4 ~ 20mA, loop load 500Ω
10）Digital Communication: RS485 standard Modbus RTU protocol
11）Relay Output: optional 2-channel alarm relay and a cleaning relay (250VAC, 10A)
12）Display: graphic dot matrix LCD with LED backlight can be operated under direct sunlight
13）Ambient Temperature: -20～60℃; Relative Humidity: 5%～90%, non-condensing
14）Protection Grade: IP65
15）Power Supply: 220VAC\50Hz\15W standard; 24VDC±10%\2.5W (optional)
16）Installation: Disk mounted
17）Transmitter Dimensions: 96×96×119mm (H×W×D); Instrument panel opening size
