INFWIN DigiPH Digital PH Sensor
INFWIN DigiPH Digital PH Sensor
SKU:123004234
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The INFWIN DigiPH is a digital pH sensor with SDI-12 or RS485/Modbus-RTU output, integrating the pH electrode and transmission circuit into a single compact IP68-rated probe. Output interface and cable length are configurable via ordering code - the default variant (DigiPH-ABCC002) ships with an ABS+PC shell, a pH electrode with built-in temperature compensation, RS485/Modbus-RTU output, 4.5–28V DC supply, and a 2 m cable.
A 3/4" NPT thread makes the sensor easy to mount for submersible installation or fit directly into pipelines and tanks. Reverse power protection and built-in TVS/ESD protection are included.
Key Features
- Integrated pH measurement: pH electrode and transmitter circuit combined in one compact, IP68-rated body
- Built-in temperature compensation: Electrode includes a temperature sensor to compensate pH readings
- Fast response: Response time under 10 seconds
- High precision and good interchangeability: Consistent readings across sensor units
- Digital output: SDI-12 (V1.3) for universal datalogger compatibility and low-power use, or RS485/Modbus-RTU for long cable runs or multi-sensor networks, both with surge protection
- 3/4" NPT threading: Convenient for submersible installation or mounting in pipelines and tanks
- Low power consumption: Suited to battery-powered systems
- Reverse power protection: Built-in TVS/ESD protection
- Configuration utility: SensorOneSet software (RS485) or SensorOneSetSDI12 software (SDI-12) included for sensor configuration
- ODM/OEM service available
- Cable length: 2 m standard; custom lengths available
Applications
- Industrial process monitoring
- Water and wastewater treatment
- Sewerage systems
- Irrigation and smart agriculture
- Aquaculture and hydroponics
- LoRaWAN IoT deployments via the Catena-5310 or compatible RS485/Modbus-RTU/SDI-12 gateway
Important Notes
- Operating temperature for the sensor body is 0°C to +80°C, narrower than the pH electrode's own −40°C to +80°C measurement range.
- Rated for operating humidity 0–100% and pressure up to 0.2 MPa; storage conditions are −5°C to +65°C, 0–90% humidity.
- The pH electrode is a wear item; periodic calibration and eventual electrode replacement should be expected as part of normal maintenance.
- When using Active Output mode on RS485, only one sensor should be on the network to avoid data collision.
Specifications
| pH | |
| Range | 0–14 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.1 pH |
| Response time | <10 s |
| Temperature (compensation) | |
| Range | −40°C to +80°C |
| Resolution | 0.1°C |
| Accuracy | ±0.5°C |
| Electrical | |
| Output interface | RS485 (Modbus-RTU) or SDI-12, V1.3 (selectable via ordering code) |
| Power supply | 4.5–28V DC |
| Quiescent current | SDI-12: <10 µA @ 12V DC; RS485: <5 mA @ 12V DC |
| Measuring current | <10 mA @ 12V DC |
| Mechanical | |
| Dimensions | 207 × 30 mm (length × diameter), 3/4" NPT threading |
| Shell material | ABS + PC |
| IP rating | IP68 |
| Cable length | 2 m standard; custom length available |
| Environmental | |
| Operating conditions | 0°C to +80°C; 0–100% humidity; pressure ≤0.2 MPa |
| Storage conditions | −5°C to +65°C; 0–90% humidity |
Ordering Code Guide
| 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 Custom (XXX = length in meters, e.g. 005 = 5 m) |
Default Variant: DigiPH-ABCC002
| Shell material | ABS + PC |
| Electrode type | pH electrode with built-in temperature compensation |
| Power supply | 4.5–28V DC |
| Output interface | RS485, Modbus-RTU |
| Cable length | 2 meters |
Custom variants (output interface, cable length) are available - contact us to discuss your requirements.
Technical Documents
- User Manual
- SensorOneSet Configuration Utility (RS485)
- SensorOneSetSDI12 Configuration Utility (SDI-12)
Modbus is a registered trademark of Schneider Electric. SDI-12 is a trademark of the SDI-12 Support Group. INFWIN is a registered trademark of Dalian Endeavour Technology Co., Ltd. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.
