YOKOGAWA EXA PH202S EXA PH202S -U-E PH2 AT-0704-C ph ORP TRANSMITTER BI

Description:

The Yokogawa EXA PH202S-U-E is used in 2-wire loop-powered pH/ORP transmitter from the EXA PH202 series, designed for continuous liquid analysis in industrial environments. It accepts high-impedance pH or ORP sensor inputs and provides stable, accurate measurement with built-in diagnostics and calibration support. The unit outputs a standard 4–20 mA signal with digital communication and is housed in a durable enclosure suitable for field installation.

Applications:

The Yokogawa PH202S transmitter is used in process control systems for measuring pH and ORP in liquids. The Yokogawa transmitter is commonly installed in water treatment systems, chemical processing plants, food and beverage production, and wastewater facilities for monitoring and controlling process quality and chemical balance.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: PH202S-U-E
• Reference: PH2 AT-0704-C
• Product Type: pH / ORP Transmitter (Analyzer)
• Measurement Type: pH and ORP (Redox)
• Input Type: High-impedance sensor input (pH/ORP electrodes)
• Output Signal: 4–20 mA DC with digital communication (HART/BRAIN typical)
• Power Supply: 2-wire loop-powered (~24 VDC typical)
• Enclosure: Field-mount, industrial rated (IP65 / NEMA 4X typical)
• Features: Temperature compensation, calibration functions, diagnostics
• Installation: Wall, pipe, or panel mount

Common Replacements:

• Yokogawa FLXA21 (direct modern replacement)
• Yokogawa FLXA402 analyzer
• Endress+Hauser Liquiline pH transmitters