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Frequency Meter

A specialized frequency meter for measuring frequency and speed

The APM Frequency Meter is a specialized meter for measuring frequency and speed. It’s used in applications including marine, leisure and material handling.

Benefits include:

APM Three Color Display

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Trumeter Cloud IoT Ready


APM Input

2 – 400Hz


12 – 24V AC/DC


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


Modbus RTU Optional


72mm x 72mm x 53mm

Screen Size

57mm x 53mm




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

Part Numbers

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

024569-01 APM Evaluation Kit

By Request: Modbus Connectivity
APM-FREQ-APS – positive LCD, with Modbus
APM-FREQ-ANS – negative LCD, with Modbus

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