Digital PH sensor PH probe with 4-20ma and rs485 No meter required
Product Description
Digital PH sensor is a new generation of intelligent water quality monitoring digital sensor developed by our company.The data can be viewed, deb ed and maintained through mobile APP or computer. It has several advantages, such as simple maintenance, high stability, excellent repeatability and multi-function. It can accurately measure PH value and temperature value in solution. It is widely used in the system of waste water treatment, purified water, circulating water and boiler water,as well as the PH test in the fields of electronics, aquaculture, food, printing and dyeing, electroplating, pharmacy, fermentation, chemical industry, etc, and it has a strong function in the environmental monitoring of surface water and pollution discharge and the remote system application.
Main features
- This product is digital PH sensor, which can directly output RS485 signal.
- The product has high accuracy, high stability and strong anti-interference ability.
- Automatic temperature compensation function.
- Without instrumentation, it can directly connect computer, PLC and other equipment with RS485/4-20ma signal interface for data acquisition and maintenance.It is convenient for users to integrate sensors into the industrial control environment such as upper computer system and physical union.
- Use mobile APP to collect, debug and maintain the sensor data through wired (OTG line and 485 to USB module) or wireless network (such as WIFI and GPRS).
- The sensor can be set through RS485 function, from machine address and baud rate, online calibration, restoration of factory output, the corresponding range of 4-20mA output (4-20mA is optional), scale coefficient and incremental compensation.
- Two point correction is used.
Technical indicators
- Measuring Range:0.00-14.00PH, 1-100.0℃
- Accuracy: ±0.02 PH, ±0.3℃
- Stability: ≤0.01PH/24h
- Temperature compensation: 0-99.9℃(PH) PT1000
- 485 Interface: support for Internet of things (partial compatibility of MODBUS protocol)
- Working conditions: temperature of 0 ~ 60 ℃
- Input impedance: ≥1×1012Ω
- Output load: 4-20mA load<750Ω (optional)
- Working voltage: DC12V,24V, 5V
- Protection grade: IP68
- Weight: 0.4kg
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