True RMS DMM Includes Temperature Measurement

FLIR Systems’ DM64 HVAC True Root Mean Square (TRMS) digital multimeter (DMM) with temperature measurement capability is designed for those who install, inspect, and maintain HVAC/R systems. It is quite useful for diagnosing complex electrical systems, testing flame sensors, and measuring temperatures.


The DMM offers both non-contact and probe voltage detection, accurately measures high- and low-voltage, and measures temperatures up to +752°F (+400°C) with the included Type-K thermocouple. It has several measurement modes, including low impedance (LoZ), Relative Zero, and Variable-Frequency Drive (low-pass filter).

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The DM64 has an intuitive interface, with an on-screen menu that’s simple to navigate. The ergonomic design, display backlight, and flashing indicators help users work longer, even in noisy or dark conditions. Plus, this drop-tested meter holds an IP40 ingress protection rating and safety ratings to CAT IV-300 V and CAT-III-600 V, for safe, continued use in rugged environments. The FLIR DM64 is now available for $149.99. For more info, checkout the datasheet.

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