1. Product Features

* Modbus 485 and 4-20mA output at the same time, directly connected to systems such as computer and PLC

* Low impedance sensitive glass film (using Swiss technology)

* Internal signal isolation technology, strong interference

* Good reproducibility, thermal stability

* Linear power value in the range of 0-14PH

* Not easy to hydrolyze, eliminating alkali error

* IP68 waterproof standard

* Wide voltage power supply (7~30V)

* Low drift, small size, fast response

*Easy and simple installation, direct reading, setting, and calibration by computer and mobile phone

* Stable performance and long service life

Smart PH online sensor

Measurement principle

Electrochemistry (Double Salt Bridge)

Signal way

RS485, 4-20mA simultaneous output

Protocol

MODBUS-RTU

Measuring range

0～14（PH）

measurement accuracy

±0.02

Response time

About 10 S (the soil should keep a certain humidity)

sensor drift

≤0.01PH/24h

slope

≥97%

Temperature compensation

Manual / Auto

cable length

Standard 5 meters

Power supply parameters

Voltage: 7—30VDC Power: < 0.2 w (special voltage can be customized)

Measurement environment

Temperature 0~80℃, (high temperature can be customized),

waterproof level

IP68

Scope of application

soil measurement

Product advantages

PTFE ring, leading magnetic isolation technology, strong anti-interference ability, no need for transmitter, stable and accurate measurement, maintenance-free, easy to install