Extech
Handheld test & measurement instruments — humidity, temperature, water quality, power, and more
Extech Digital Multimeters
27 products across 21 product families
3 modelsEX505A Heavy Duty True RMS Multimeter
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2 modelsEX520A Heavy Duty True RMS Multimeter
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2 modelsEX530A Heavy Duty True RMS Multimeter
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2 modelsEX820A True RMS 1000 a AC Clamp Meters + IR
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2 modelsEX840A True RMS 1000 a AC/DC Clamp Meters + IR
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381676A Multimeter Pen Style w/NCV
The Extech 381676A is a Pen Styled Multimeter with a Built in NCV detector. The 381676A features nine functions including AC/DC voltage to 600V, AC/DC Current to 200mA, Resistance, as well as Logic, Diode and Continuity tests. This meter has an easy to use rotary dial with alligator clips for one handed operation. Its convenient built in non-contact voltage detector allows for quick detection of live voltage. The 381676 comes complete with test leads, alligator clips, batteries and manual.

DL150 Datalogger, Single Channel, TRMS/110V
The Extech DL150 is a True RMS AC Voltage and Current Data Logger. Data log up to 100,000 readings of TRMS AC Voltage (600 Volt) or Current (200 Amp) with a user programmable sample rate from 1 second to 24 hours. LCD displays time/date, current reading, min/max, and if the user settable high/low alarms have been exceeded. Readings can be downloaded to your PC via the USB interface. Featuring normal, peak, and capture (user specified trigger level) recording modes. Complete with current clamp, test leads, alligator clips, software, USB cable, 110-Volt AC Adapter, and four AAA batteries.

DM220 Multimeter, Mini Pocket w/Built-in Flashlight
This Mini Pocket MultiMeter has a large high contrast 4000 count LCD display, Non-Contact Voltage detection for identifying live circuits, and a built-in Flashlight. It measures AC/DC Voltage, AC/DC Current, Resistance, Frequency, Duty Cycle, Diode Test and has a Continuity Beeper. Additional features include: built-in storage clips for integrated test leads, double molded housing to provide extra protection, over-range and low battery indication. Complete with test leads and 2 AAA batteries.

EX310 Multimeter w/NCV Manual Ranging
The Extech EX310 is a compact manual ranging multi meter which features an extra-large 2000 count display and built-in non-contact AC voltage detector (NCV). AC/DC Voltage & Current, Resistance, Diode/Continuity measurements. Includes a battery test function (1.5 Volt and 9 Volt). The rubber holster protects the meter. UL listed Cat III – 600 Volt safety rating. Includes test leads, 9 Volt battery, and tilt stand.

EX330 Multimeter w/NCV, 4000 CT Autoranging/Temp
The EX330 is a compact autoranging multimeter which features extra large 4000 count display and a built-in non-contact AC voltage detector. Advanced function include Frequency, Duty Cycle, Capacitance and Temperature, Diode test and continuity. Rubber holster protects meter. Includes test leads, Type K temperature probe, two AAA batteries and tilt stand.

EX350 Multimeter, Professional, TRMS w/NCV
The EX350 is a professional DMM loaded with advanced features and functions. Low Impedance (LoZ) mode eliminates false readings caused by ghost voltages. Low Pass Filter (LPF)attenuates high frequencies to reduce noise for accurate readings. True RMS provides accurate readings when measuring distorted or noisy waveforms. Built-in Non-Contact AC Voltage Detector quickly checks for the presence of AC Voltage before testing. Features a 4000 count LCD display, data hold, min-max, relative mode, capacitance zero, auto power off, continuity and diode test. This meter will measure AC/DC voltage to 600 V and AC/DC current to 10 amps. Complete with test leads, manual and two AA batteries.

EX355 Multimeter, Professional TRMS w/NCV + Temp
The EX355 is a professional DMM loaded with advanced features and functions. Low Impedance (LoZ) mode eliminates false readings caused by ghost voltages. Low Pass Filter (LPF)attenuates high frequencies to reduce noise for accurate readings. True RMS provides accurate readings when measuring distorted or noisy waveforms. Built-in Non-Contact AC Voltage Detector quickly checks for the presence of AC Voltage before testing. Features a 6000 count LCD display, data hold, min-max, relative mode, capacitance zero, auto power off, continuity and diode test. This meter will measure AC/DC voltage to 600 V and AC/DC current to 10 amps. Complete with test leads, general purpose bead wire temperature probe, manual and two AA batteries.

EX410A Multimeter Manual Ranging DMM
Compact and powerful, the Extech EX410A Eight-Function True RMS Professional MultiMeter provides the versatility of multiple meters in one convenient device. The EX410A measures AC/DC voltage and current, resistance, diode, and temperance. A large, backlit display and 1-inch high digits allow for easy reading, while the ergonomically designed housing offers comfortable, one-handed operation. Comes with Multimeter, CAT III test leads, stand, hanging strap, holster with built-in test lead storage, Type K bead wire temperature probe, and battery.

EX430A Multimeter, TRMS Autoranging DMM
The Extech EX430A True RMS autoranging Multimeter (with K Type, capacitance, frequency, and duty cycle) is a professional-grade multimeter capable of performing a wide range of measurements. Functions include AC and DC voltage to 600 V, AC and DC current to 10 A, resistance to 40 MOhm, continuity, and diode test. It also includes a Type K thermometer function for contact or air temperature measurements from -20°C to 750°C (-4°F to 1832°F). Advanced functions include capacitance, frequency, and duty cycle. This meter comes complete with test leads, Type K temperature probe, 9 V battery, protective holster, adjustable tilt stand, and a velcro hanging strap.

EX470A Multimeter, TRMS DMM Built-in IR Therm. Laser
Laser. The Extech EX470A True RMS Multimeter and Infrared Thermometer with capacitance, frequency, and duty cycle measurements and 2 Type K remote probes is the perfect meter for HVAC or plant maintenance. The IR thermometer measures surface temperature from -20°C to 270°C (-4°F to 518°F) without contact. The built-in laser pointer centers the measuring area. Its functions include AC and DC Voltage to 600 V, AC and DC current to 10 A, resistance to 40 MOhm, continuity, and diode test. It also includes a Type K thermometer for contact or air temperature measurements from -20°C to 750°C (-4°F to 1832°F). The meter comes complete with test leads, 9 V battery, protective holster, adjustable tilt stand, and a velcro hanging strap.

EX470A-NISTL Multimeter, TRMS DMM w/Ltd. NIST-No IR Function
NIST-No IR Function. The Extech EX470A True RMS Multimeter and Infrared Thermometer with capacitance, frequency, and duty cycle measurements and 2 Type K remote probes is the perfect meter for HVAC or plant maintenance. The IR thermometer measures surface temperature from -20°C to 270°C (-4°F to 518°F) without contact. The built-in laser pointer centers the measuring area. Its functions include AC and DC Voltage to 600 V, AC and DC current to 10 A, resistance to 40 MOhm, continuity, and diode test. It also includes a Type K thermometer for contact or air temperature measurements from -20°C to 750°C (-4°F to 1832°F). The meter comes complete with test leads, 9 V battery, protective holster, adjustable tilt stand, and a velcro hanging strap.

EX800 ExStik 3-in-1 Kit (CL, pH, Temp)
The Extech EX800 ExStik 3-In-1 Kit includes the CL200 meter and pH electrode, reagent tablets (50 tests), four plastic cups, a weighted stand, pH buffer pouches, four CR2032 batteries, 121.9 cm (48 in) neck strap, carrying case, and user manual. The meter measures total chlorine, pH, and temperature with interchangeable flat surface electrodes that are included. Flat surface electrodes work in liquids, semi-solids, and solids. The built-in memory can store and recall up to 15 readings and save the last calibrated value. It has a large 3.5 digit (2000 count) digital display with a bargraph and an automatic electronic self-calibration function for chlorine (1, 2, or 3 point buffer calibration for pH).

MG320 CAT IV Insulation Tester/TRMS Multimeter
Combines a portable 20GΩ/1000V Insulation Tester with a True RMS MultiMeter. Insulation tester includes PI/DAR modes, programmable timer, and a comparator for custom test configurations and quick results. Multimeter functions include AC/DC Voltage, Resistance, and Continuity Test. Manually store/recall up to 99 readings. Designed with rugged housing and large backlit 6,000 count LCD display with analog bargraph. Complete with test leads, alligator clip, 6 x AA batteries, and soft case.

MN35 Multimeter, Digital
The MN35 is a convenient mini size multimeter with protective rubber holster and tilt stand. Manual ranging, measures AC and DC Voltage to 600V, Resistance with Continuity and Diode functions, DC Current to 10A, Temperature, and 9V/1.5V Battery test. Includes protective rubber holster, 9V battery, test leads and Type K thermocouple probe.

MN36 Multimeter, Autoranging
The Extech MN36 digital multimeter is compact but still packed with features. Capable of measuring AC and DC voltage up to 600 volts, the MN36 is autoranging, which means it automatically displays readings with the proper decimal place location and maximum resolution. Comes with protective rubber holster, 2xAAA batteries, bead wire Type K temp. probe and test leads.
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