The Yokogawa EXA PH202 is a reliable and cost-effective 2-wire pH/ORP analyzer. It provides precise measurements of pH and oxidation-reduction potential (ORP) in industrial environments. Known for flexibility, low maintenance, and easy installation, the analyzer delivers optimal performance.

Technical Specifications

Model: EXA PH202

Type: 2-Wire pH/ORP Analyzer

• Measurement Range:

  • pH: -2 to 16 pH
  • ORP: -1500 to 1500 mV
  • Temperature: -30°C to +140°C

• Output Signal:

  4 to 20 mA DC, loop-powered, isolated from input

• Temperature Compensation:

  Automatic or manual, range: -30°C to +140°C

• Communication Protocols:

  HART, Profibus, or Foundation Fieldbus

• Calibration:

  Semi-automatic or manual, with built-in buffer tables for pH 4, 7, and 9

• Power Supply:

  24 V DC loop-powered system

• Operating Temperature:

  -10°C to +55°C

• Protection Rating:

  IP65 field-mountable case