Extech Multimeters
When electricians, plant mechanics, and automation specialists need reliable test tools for equipment installation, maintenance, and complex repair work, Extech multimeters are the industry standard. Designed to track down electrical faults, diagnose flowmeter controllers, and find emerging issues before catastrophic damage occurs, our extensive line of multimeters delivers unparalleled accuracy and durability. From compact pocket meters for tight electric panels to heavy-duty, waterproof True RMS models for extreme factory environments, Extech equips you with the exact diagnostic power you need to work safely and efficiently.
Mini & Pocket Multimeters
Compact, grab-and-go diagnostic tools that do not compromise on essential functionality or safety. Perfect for quick panel checks and mobile troubleshooting.
EX310 Manual Ranging Mini Multimeter: A rugged, manual ranging meter featuring 9 functions, a 2000 count display, and a built-in Non-Contact Voltage (NCV) detector (100 to 600V AC). CAT III-600V rated.
EX330 Autoranging Mini Multimeter: An advanced autoranging model with 12 functions, including Type K temperature, capacitance, and frequency testing. Features a 4000 count display and built-in NCV.
MN35 Digital Mini Multimeter: A manual ranging mini meter with 8 functions, featuring a dedicated 1.5V/9V battery test and a Type K temperature input for readings up to 1400°F.
MN36 Digital Mini Multimeter: A highly versatile 10-function autoranging mini meter that includes capacitance (to 100µF) and frequency (to 5MHz) measurements, plus a Type K temperature probe.
DM220 Pocket Multimeter: A highly portable, double-molded pocket meter featuring an autoranging 4000 count display, built-in NCV detector, and an integrated flashlight. Rated for CAT IV-600V safety.
381676A Pen DMM: An innovative autoranging pen-style multimeter designed for one-handed operation. Features a built-in NCV detector at the tip, Data/Range Hold, and a specialized Logic Test function (0 to 5V).
Professional Multimeters
Feature-rich, True RMS capable instruments engineered for accurate measurements on noisy industrial circuits and variable frequency drives.
EX350 True RMS Multimeter: A professional 4000 count True RMS meter featuring a Low Pass Filter (LPF) for variable frequency drives, a Low Impedance (LoZ) mode to eliminate ghost voltages, and built-in NCV.
EX355 True RMS Multimeter + Temperature: Builds on the EX350 by upgrading to a high-resolution 6000 count backlit LCD and adding a Type K thermometer function (-40 to 1832°F) for instant thermal verification.
EX410A Manual Ranging Multimeter: A robust averaging multimeter with a large backlit LCD featuring easy-to-read 1-inch digits. Includes 8 functions and a Type K thermometer input.
EX430A True RMS Autoranging Multimeter: Delivers True RMS precision for noisy environments. Features 11 functions including capacitance, frequency, and Type K temperature, with a 4000 count display.
EX470A True RMS Multimeter + IR: The ultimate multi-tool featuring a built-in non-contact Infrared (IR) Thermometer (-58 to 518°F) for safely scanning active panels, combined with True RMS electrical measurements.
Heavy Duty Industrial Multimeters
The toughest meters on the market. Waterproof (IP67), drop-proof, and rated CAT IV-600V to survive the absolute harshest plant floors and outdoor transformer installations.
EX505A Heavy Duty True RMS Multimeter: A rugged, waterproof (IP67) and 6.5ft drop-proof meter. Delivers True RMS accuracy with a 4000 count display and 1000V input protection on all functions.
EX520A High Accuracy True RMS Multimeter: A precision-focused heavy-duty meter boasting an exceptional 0.09% basic accuracy on a 6000 count display. Features an expanded 20A max current capacity.
EX530A Heavy Duty True RMS Multimeter: The pinnacle of resolution and accuracy. Features a massive 40,000 count display, industry-leading 0.06% basic accuracy, Peak Hold for AC, and full IP67 waterproof protection.
EX505A-K Heavy Duty Industrial Multimeter Kit: A complete industrial diagnostic kit. Includes the EX505A Multimeter, the DV25 Dual Range NCV Detector with flashlight, a magnetic hanging strap, and an 8-piece professional test lead set in a soft carrying case.









