Honeywell APT4000 Analytical Transmitter/Controllers

The Honeywell analytical process transmitter (APT)4000 series transmitter is a four-wire device that continuously measures pH, ORP, or conductivity in industrial processes, including chemical concentration and salinity. The APT4000 continuously monitors sensor and transmitter electronics and displays diagnostic information at the onset of a problem.

Supporting Documentation
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Key Specifications

  • Response in Less Than Five Seconds per Step Change
  • Continuous Diagnostics for Monitoring Calibration, Cell or Probe Health, and Transmitter Self-Test
  • Works with Honeywell pH/ORP Electrodes and Conductivity Cells
  • Manual Loop-Back Check for Integrity of 4-20 mA Output Signal
  • FM Non-Incendive Class I, Div 2 Installations

Specifications, Manuals, and Supporting Literature

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Description Catalog Number
Model pH/ORP APT4000PH-H-
Conductivity APT4000CC-H-
Toroidal Conductivity APT4000TC-H-
English User's Manual E00
Panel Mount Kit 51205990-001
Pipe/Wall Mount Kit 51205988-001


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