INFWIN DigiPHORP Digital PH and ORP Sensor

The INFWIN DigiPHORP is a digital pH and ORP (oxidation-reduction potential) sensor with SDI-12 or RS485/Modbus-RTU output, integrating both electrodes and the transmission circuit into a single compact IP68-rated probe. Output interface and cable length are configurable via ordering code - the default variant (DigiPHORP-AACC002) ships with an ABS+PC shell, a combined pH and ORP 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 Dual measurement: pH and ORP from a single combined electrode and transmitter circuit, in one compact IP68-rated body Built-in temperature compensation: Electrode includes a temperature sensor to compensate both pH and ORP readings 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 Important Notes Operating temperature for the sensor body is 0°C to +80°C, narrower than the 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 combined electrode is a wear item; periodic calibration and eventual electrode replacement should be expected as part of normal maintenance. pH response time (under 10 s) is faster than ORP response time (under 30 s) - allow the longer settling time before logging ORP readings. Unlike the single-parameter DigiPH and DigiORP, this sensor's RS485 quiescent current is slightly higher (<8 mA vs <5 mA) due to the combined electrode circuitry. 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 ORP (Oxidation-Reduction Potential) Range −2000.0 to +2000.0 mV Resolution 0.1 mV Accuracy ±20 mV Response time <30 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: <8 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 DigiPHORP DigiPHORP Sensor Code 2: Shell Material A ABS + PC Code 3: Electrode Type A pH and ORP 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: DigiPHORP-AACC002 Shell material ABS + PC Electrode type pH and ORP 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.