PRODUCT DATASHEET MA140/MA145 True RMS 300A Mini Clamp Meters + NCV Model MA140 AC Current Model MA145 AC/DC Current Choice of AC Current or AC/DC Current model with 0.8" (22mm) jaw size and high accuracy. Smart Auto Sense feature enables the MA145 to recognize the input (within a given function) and automatically switch to the correct mode of operation (i.e. AC to DC Current measurement). Built-in Non-Contact Voltage (NCV) Detector allows for quick detection of live voltage. Features • • True RMS for accurate readings of noisy, distorted or • Built-in Non-Contact Voltage (NCV) detector non-sinusoidal waveforms • Inrush current measurement Model MA140 — AC Current • 6000 count backlit LCD display Model MA145 — AC/DC Current and Zero function for • Smart Data Hold: Audiovisual alert when a new reading exceeds 50 digits of a held reading accurate DC measurements • Compact 0.8" (22mm) jaw size accommodates • Low battery indicator and Auto Power Off feature conductors up to 300MCM and allows measurements • CAT III-600V safety rating in tight locations • Complete with carrying case and two LR44 batteries • Unique Smart Auto Sense feature • Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals Specifications MA140 MA145 AC Current (max resolution) 60A, 300A (0.01A) 60A, 300A (0.01A) DC Current (max resolution) — 60A, 300A (0.01A) Basic accuracy ±2.0% AC: ±1.5%, DC: ±1.5% Non-Contact Voltage (NCV) 80 to 600V 80 to 600V Dimensions 5.8x2.4x1.2" (147x60x31mm) 5.8x2.4x1.2" (147x60x31mm) Weight 4.9oz (140g) 4.9oz (140g) Ordering MA140 N......... True RMS 300A AC Mini Clamp Meter+NCV MA145 N......... True RMS 300A AC/DC Mini Clamp Meter+NCV N Indicates products that are available with optional calibration traceable to NIST. Order with -NIST after part number for product plus Calibration Certificate. Specifications subject to change without notice. Copyright © 2015 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form. Rev. 6/5/15 MA140 UPC Code: 793950371404 MA145 UPC Code: 793950371459 www.extech.com