Fluke 31 True Rms Clamp Meter

US $59.99

Mount Joy, Pennsylvania, United States
Feb 13th

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True-rms ac current measurement Frequency Min/Max records maximum, minimum and average RMS current or frequency values for over 24 hours (Fluke 33 only) Auto/Manual Ranging Crest measurement of the peak of the current waveform. Used to determine Crest Factor which can indicate the presence of harmonics. (Fluke 33 only) Smoothing displays a 3 second running average of current or frequency. (Fluke 33 only) Tapered jaws can handle 2 parallel 500 MCM cables, or a single cable, up to 38 mm (1.5") in diameter Combination Digital/Analog display; Fast analog bar graph shows surge currents Audible beep confirms key presses and, in the Model 33, indicates new highs or lows in Min/Max mode Power-up self-test - verifies proper functioning and estimates battery life Clip-on holster Sleep Mode to preserve battery life CAT III 600V TRUE RMS CLAMP METER The Clamp Meter of Choice for Adjustable Speed Drive Measurements, with True-rms Crest and Frequency Measurement The Fluke 33 give accurate True-rms current measurements from 0.3 to 700A max. In addition, the Model 33 captures peak values, up to 1000A, for Crest Factor calculation. Both models measure frequency, so you can use them to determine the output frequency of adjustable speed drives, to set the governor of an engine generator or to detect third harmonic currents (180 Hz) in the neutral of a 3-phase system. The Fluke 33 are built extra strong to withstand job site abuse. Why True-rms? Electrical professionals today need current clamps that are up to the challenge of accurately measuring harmonic currents caused by non-linear loads. Virtually all electronic equipment falls into this category - PCs, printers, HID lighting, adjustable speed drives, etc. Average-sensing meters can't do the job. They can produce readings that are 30%-50% low. Why? Harmonics cause distorted waveforms, and average-sensing meters can only accurately measure pure sine waves. One measure of waveform distortion is Crest Factor, the ratio of the peak to the rms value of the wave. CF for a pure sine wave is 1.4. Higher CF indicates harmonic currents. Fluke's true-rms Current Masters (Models 32, 31, 33, 36) give correct readings for any wave shape, within the instrument's CF specifications. Tested and verified to be fully functional. Minor cosmetic flaws may be present. The picture is an accurate representation of the item, not the actual item being sold.

Condition:

Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...

Brand

Fluke