Products Description
Foxboro 875PH-A2N-AC pH ORP Transmitter Inquiry Item

Details
This Foxboro 875PH-A2N-AC is a loop-powered analytical transmitter for pH and ORP measurement. It receives signals from pH or redox sensors, converts the electrode millivolt signal into standard 4-20mA analog signal with HART digital communication. It supports on-site calibration, temperature compensation, parameter configuration and self-diagnosis via local keypad and display. It is widely used in wastewater treatment, chemical, pulp & paper, food and pharmaceutical industries for continuous liquid pH monitoring.
Specifications
Model: 875PH-A2N-AC Brand: Foxboro Measuring function: pH / ORP Output: 4-20mA + HART Power supply: Loop powered Operation interface: Local display and keypad Application: Liquid analytical measurement Certifications: UL, FM, IECEx, CSA
Components & Troubleshooting
Signal input circuit, main processing board, HART communication module, display and keypad assembly, wiring terminal housing. Common faults: sensor signal loss, calibration failure, HART communication offline, unstable reading, display no light.
Disclaimer
This spare part shall be installed, calibrated and maintained by qualified analytical instrument technicians. Cut off power before wiring.