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Part#: 28157
Weight: 3.0 lbs
Brand: Hach Company

Hach GLI pH/ORP Transmitter with 4-20 mA Output Signal‚ PRO-P3A1N

  • Pass-code protected with unsurpassed accuracy and reliability
  • Use with GLI differential pH, ORP sensors or conventional combination pH sensors
Price: $653.00
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Need Help? Call 800-548-1234

This field-proven transmitter is compact and weatherproof. Menu screens guide you through set-up, calibration, operation and test/maintenance functions. The PRO-3 transmitter series has the flexibility to be used in two-, three- or four-wire transmitter wiring configurations.

The PRO-P3 transmitter accepts GLI five-wire differential pH/ORP sensors and conventional combination pH sensors with NTC 300 ohm thermistor, 1000 ohm RTD or 100-ohm RTD temperature sensing elements. The transmitter can be calibrated to 1-point or 2-point buffer methods using standard pH buffers 4.01, 7.00 and 10.01.

The PRO-P3 pH/ORP transmitter has a single isolated 4-20 mA output signal that can be assigned to represent the measured pH, temperature or ORP value. The 4-20 mA endpoints are user-defined to expand or limit range. Transmitters are housed in a weatherproof NEMA 4X enclosure and include hardware for wall, pipe and integral sensor mounting.

Note: The PRO-P3 pH/ORP transmitter requires (24 VDC) loop power or 24 VDC power supply.

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