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M1 Meter

An all-in-one meter for measuring voltage, current or frequency; 12-24V AC/DC power

The APM M1 is an all-in-one meter that can be configured to measure amps, voltage or frequency, making it an incredibly versatile meter for a wide range of applications.

Benefits include:

  • 3-in-1 volt, amp and frequency meter
  • 40-segment bar graph scale
  • Available with 100-240V AC mains powered: M2 Meter
  • 20 point non-linearization scaling (for non-linear sensors)
  • 10 alarm setpoints & configurable digital output delay
  • Remote monitoring with Trumeter Cloud and APM Gateway
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Specifications

APM Input

0 – 10,000A via CT, 0 – 5A Direct, 0 – 600V DC/AC (+/-), 2 – 400Hz

PSU

12 – 24V AC/DC

Outputs

Output 1: Digital (open collector) or Analog (4-20mA), Output 2: Digital (open collector) or Analog (4-20mA)

Dimensions

72mm x 72mm x 53mm

Screen Size

57mm x 53mm

Communication

Modbus RTU Optional

Accuracy

1.0%

Certifications

CE, cUL, IP65, NEMA Type 4 & 12 (UL50), ROHS, UL

Part Numbers

APM-M1-APO – positive LCD, with outputs
APM-M1-ANO – negative LCD, with outputs

024569-01 – APM Evaluation Kit

Why Choose the APM M1 Meter

The APM M1 Meter offers exceptional versatility, and can be configured to measure volts, current or frequency using the APM configuration software. It’s ideal for those seeking a single meter for various applications to reduce overall equipment costs or to simplify inventory management. The M1 automatically detects AC or DC and measures direct current up to 5A with 1% accuracy (as an ammeter), measures up to 600V with 1% accuracy (as a volt meter), and measures inputs of 2-400Hz with 0.5% accuracy (as a frequency meter).

This meter is also available in the APM M2 Meter version for 100-250V AC mains power.

The unique display combines the instant readability of an analog meter with the precision and functionality of three digital meters. Get quick recognition and precise functionality for the easiest to use and easiest to read panel meter available.

Easy-to-Read Display

The APM M1 Meter’s display gives you the best of both digital and analog panel meters and is easy to read in any environment.

  • Two Contrast Options: The APM M1 Meter is available with a positive display for bright sunlight or a high-contrast negative display for indoors.
  • Wide Viewing Angle: Operators can easily read the meter from a range of positions.
  • Large Readout: With four 12mm [0.47″] digits, you won’t sacrifice readability or accuracy.
  • Adjustable Brightness: Adjust the backlight brightness and color to adapt to changing conditions.
  • Curved Bar Graph Display: The 40 segment curved bar graph display provides an immediate visual indication of parameters.

User Configurable All-in-One Meter

The APM M1 Meter is highly configurable using the APM configuration software. The easy-to-use, free software allows you to tailor the meter to your specific needs.

  • Color Changing Backlight: Configure color and intensity, with flashing or static alerts for specific conditions.
  • Configurable Scale & Range: Adjust offset, gain, linear scale, and min/max range with 20-point non-linear scaling.
  • 10 Independent Alarms: Set conditions and actions to meet your requirements.
  • Messaging Area: Display custom messages and annunciators.
  • Digital Output Delays: Set delays from 0.5 to 120 seconds.
  • 16 Pre-set Configurations: Use position switches to select standard configurations without needing a software connection.

Remote Monitoring

Every APM comes with a free lifetime subscription to Trumeter Cloud so you can remotely monitor the status of your systems. Just add on our plug-and-play APM Gateway to get:

  • Customizable alarm conditions and thresholds for notifications
  • Unlimited email notifications, plus options to add instant text messages
  • Exportable data stored securely in the Cloud

Output & Communications

The APM M1 Meter comes standard with two outputs to communicate with other systems: 1 digital (open collector) or 1 analog (4-20mA). In certain circumstances we can customize the APM M1 Meter with Modbus RTU for further communications.

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