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![Flir CM42NIST [CM42-NIST] 600V/400A AC Digital TRMS Clamp Meter with NIST Calibration](image/cache/wp/gj/Products/Flir_CM42-800x800.webp "Flir CM42NIST [CM42-NIST] 600V/400A AC Digital TRMS Clamp Meter with NIST Calibration")
The FLIR CM42-NIST 600V 400A AC Digital True RMS Clamp Meter is a professional and affordable True RMS meter designed for commercial and residential electricians. The CM42NIST features AC clamp measurement; it is equipped with a bright backlit display for ease of use inside electrical panels. Accu-Tip technology delivers amperage measurements on smaller-gauged wires more accurately (to a tenth of a digit). CM42-NIST offers MAX/MIN/AVG recording, frequency measurement, and electrical field detection to help determine voltage presence and relative strength of the field. Made with an over-molded, easy-to-grip design, the CM42-NIST clamp meter is durable enough to withstand a two-meter drop, and its slim form factor is convenient to carry in your toolbag, wherever you go.
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![Flir CM-42 [CM42] 600V/400A AC Digital TRMS Clamp Meter](image/cache/wp/gj/Products/Flir_CM42-200x200.webp "Flir CM-42 [CM42] 600V/400A AC Digital TRMS Clamp Meter")
![Flir CM-44 [CM44] 600V/400A AC Digital TRMS Clamp Meter with Type K](image/cache/wp/gj/Products/Flir_CM44-200x200.webp "Flir CM-44 [CM44] 600V/400A AC Digital TRMS Clamp Meter with Type K")
