DigiPH Digital PH Sensor, RS485, SDI-12 Interface

Time:2026/01/20 View:1511 Category:Measurements Category:ORP Category:PH Category:Products Category:SDI-12 Products Category:SDI-12 Sensors

　　DigiPH integrates PH electrodes and transmission circuits, and has a small size. The sensor is applicable for industrial, water processing, sewerage system, irrigation, smart agriculture etc. The SDI-12 output provides universal compatibility with any SDI-12-enabled data logger and low power applications, or use a RS485 physical interface for applications that require long cable runs or many sensors.

Resources
User Manual	DigiPH Digital PH Sensor User Manual (RS485, SDI-12 Interface)
Software (RS485 Interface)	SensorOneSet-EN
Software (SDI-12 Interface)	SensorOneSetSDI12-EN

Features:

■ Integrated PH electrode and transmitter circuit, IP68 protection grade

■ High precision, fast response, good interchangeability

■ Small in size, low power consumption

■ 3/4 NPT is convenient for submersible installation or installation in pipelines and tanks

■ RS485 or SDI-12 communication interface with surge protection

■ Low power consumption can be used in battery-powered systems

■ Reverse power protection and Built-in TVS/ESD protection

■ ODM/OEM

Specification
Output Interface	Optional: SDI-12, V1.3 Optional: RS485, Modbus-RTU
Power Supply	4.5-28V DC
Power Consumption	SDI-12 Interface: Quiescent <10uA@ 12V DC; Measuring <10mA @ 12V DC RS485 Interface: Quiescent <5mA@ 12V DC; Measuring <10mA @ 12V DC
PH	Range: 0~14PH, Resolution: 0.01PH, Accuracy: +/-0.1PH; Response Time < 10 s
Temperature	Range: -40~80°C, Resolution: 0.1°C, Accuracy: +/-0.5°C
IP Ratings	IP68
Operating	Temperature: 0~80°C, Humidity: 0~100%, Pressure: ≤0.2 MPa
Storage	Temperature: -5~65°C, Humidity: 0~90%
Cable Length	2 meters or Customize
Dimension	20730 mm (LengthDiameter), 3/4 NPT screw threads

Ordering Information
Parameters	Code	Comments
Code 1: Product Series	DigiPH	DigiPH Sensor
Code 2: Shell Material	A	ABS+PC
Code 3: Electrode Type	B	PH Electrode (Built-in Temperature Compensation Sensor)
Code 4: Power Supply	C	4.5-28V DC
Code 5: Output Interface	C F	RS485, Modbus-RTU SDI-12
Code 6: Cable Length	002 XXX	2 meters xxx meters
Ordering Code Example: DigiPH – A B C C 002 Product Series: DigiPH Sensor Shell Material: ABS+PC Electrode Type: PH Electrode (Built-in Temperature Compensation Sensor) Power Supply: 4.5-28V DC Output Interface: RS485, Modbus-RTU Cable Length: 2 meters