truAPM | Advanced Panel Meters by truAPM
truAPM | Advanced Panel Meters by truAPM

CT Meter

The APM CT Meter is a digital panel meter designed specifically to be used with an external current transformer to monitor AC currents up to 10,000 amps to an accuracy of 0.5%.

APM CT Meter features

The CT meter can be used for a wide range of applications where AC current management is required, including:


– motor control

– heating control

– industrial power supplies

– energy management


The CT meter is ideal for applications where accuracy and performance monitoring are crucial. The 5A high resolution input provides readings of 0.5% accuracy, for precision measurement and control. It is designed to be used in conjunction with a CT to measure AC current up to and above 10,000A. It can be used with a CT that has a primary that matches your maximum input and a secondary (output) of 5A. The resulting meter reading will be accurate to 0.5% plus the CT accuracy.



The LCD display combines the best of both traditional-analog and modern-digital panel meters. The bar-graph scale allows critical parameters to be instantly recognised while the starburst display shows precise readings. This unique display helps increase productivity, improve safety and enhance the look of the final panel unit, PLC or machine.

The APM CT meter’s dynamic backlighting, in conjunction with set-points, visually alerts operators when a parameter is out of range. The screen can be set to change color, flash, change intensity or display custom messages.
APM CT Meter changing backlight color

With its digital and analog outputs, it provides easy connectivity with to other systems in the process. The backlit LCD screen is high-contrast with a wide viewing angle and is sealed to IP65 , NEMA 12 and NEMA 4. This makes it ideal for environments where visibility can be difficult.


Programmable CT Panel Meter

The CT meter comes with 15 pre-installed configuration setups for a wide range of applications. Alternatively, the panel meter can be user-customised to unlock its full potential. As well the programmable scale and annunciators, set points and alerts can all be customised to display critical parameters exactly as they are needed by the user. This is done with the APMs easy-to-use and freely available configurator software.
APM CT Meter positive and negative display

Part Numbers

APM-CT-APN APM CT Meter, Positive LCD
APM-CT-APO APM CT Meter, Positive LCD, With Outputs
APM-CT-ANN APM CT Meter, Negative LCD
APM-CT-ANO APM CT Meter, Negative LCD, With Outputs

By request
APM-CT-APS APM CT Meter, Positive LCD with Modbus
APM-CT-ANS APM CT Meter, Negative LCD with Modbus



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CT Meter Features

The next generation of Panel Meters.

Easy to Use.

Easy to Read.

Key Features of the Trumeter CT Meter

Large Multi-format Display that Incorporates:

  • 40 segment bar graph display
  • Large 4 digit display
  • Separate Starburst display area for annunciators, custom messages and alarm information
  • Dynamic backlight color


  • User adjustable backlight brightness and color
  • Large display
  • Wide viewing angle (both horizontal and vertical)
  • Custom annunciators


  • Display range (both min and max values)
  • Custom annunciators
  • User selectable backlight color and intensity
  • Two independent alarm set-points
  • Two independent outputs (output models only)
  • 4-20mA analogue monitor output
  • User configurable non-linearization table

Panel cutout: 68mm x 68mm [2.68” x 2.68”] as per DIN43700/IEC61554

Easy to set-up software

Just plug into any free USB port on your PC.
Run the freely available APM Configurator and you’re off.