Products Description
Foxboro 876PH-TWAA pH ORP Transmitter Unit

Feature & Principle
It receives millivolt signal from pH/ORP/ISE electrodes, performs temperature compensation and signal conversion, outputs 4-20mA analog signal with HART digital protocol. It supports remote calibration, parameter configuration and diagnostic reading through HART communicator.
Specifications
Model: 876PH-TWAA Brand: Foxboro (Schneider Electric) Measurement: pH / ORP / ISE Output: 4-20mA + HART Power: 2-wire loop powered Range: pH -2 ~ 16, ORP ±2000mV Housing: Field mount enclosure Certification: CE
Components & Diagnostics
Main analytical board, signal input terminal, HART communication circuit, display module, wiring gland. Common faults: electrode signal drift, loop power loss, HART communication failure, temperature compensation error.
Product Brief
876PH-TWAA analytical transmitter, Foxboro liquid analysis spare widely used for water treatment, chemical and pulp & paper pH control loop.