Extech EX540/EX542 Multimeter

12 function wireless True RMS industrial multimeter with data logger.

Features

  • AC/DC voltage range: 0.01mV to 1000V
  • AC/DC current range: 0.01µA to 20A
  • Resistance range: 0.01Ω to 40MΩ
  • Capacitance range: 0.001nF to 40mF
  • Frequency (electrical) range: 40Hz to 400Hz
  • Frequency (electronic) range: 0.001Hz to 100MHz
  • Temperature range: -50 to 1382°F
  • Basic accuracy: ±0.06%
  • Diode open circuit voltage of 2.8V DC
  • MIN/MAX/Relative/Data Hold
  • Double molded for waterproof protection (IP67)
  • CAT IV-600V safety rating for industrial applications
  • Case and basic accessories included

What's in the Box

  • Double molded test leads
  • Remote receiver with USB cable
  • Magnetic hanging strap
  • Type K bead wire
  • Temperature probe
  • 9V battery
  • Software
  • Carrying case

The Extech EX540/EX542 is an industrial quality True RMS multimeter featuring 1000V input protection over all ranges. The EX540/EX542 was designed to handle the rigors of field testing in adverse conditions including drop-tests from 6 feet as well as double molded housing for waterproof protection to IP67 standards. The EX540/EX542 also includes a CAT-IV-600V safety rating for industrial applications and a 9,999 reading data logger that allows users to store data for later retrieval.

The Extech EX540/EX542 is a versatile instrument capable of accurately measuring AC/DC voltage, AC/DC current, resistance, frequency, capacitance, and temperature. The basic accuracy of the meter is ±0.06%. Results are displayed on a large, 40,000-count LCD for the highest resolution. The EX540/EX542 has a data acquisition mode for real-time transmission to your PC via a wireless USB interface. The EX540 transmits at 915MHz and the EX542 transmits at 433MHz.

Additional features of the Extech EX540/EX542 include: diode and continuity tests, MIN/MAX, Data Hold and Relative, an auto power off with disable feature, and dual sensitivity frequency functions (electrical/electronic).

Probes

Extech TP200 Type K Pipe Clamp Temperature Probe
Extech TP200 Type K Pipe Clamp Temperature Probe

Hands-free temperature measurement from -4 to 200°F.

Mfg. has stock
$44.99
Extech TP400 Type K Pipe Clamp Temperature Probe
Extech TP400 Type K Pipe Clamp Temperature Probe

Hands-free temperature measurement from -4 to 450°F.

Mfg. has stock
$91.99

Test Leads

Extech TL803 Standard Test Leads
Extech TL803 Standard Test Leads

Standard replacement test leads, compatible with most multimeters.

Mfg. has stock
$10.99
Extech TL805 Double Injected Test Leads
Extech TL805 Double Injected Test Leads

Professional grade, double coated PVC lead wires.

Mfg. has stock
$16.99
Extech Alligator Clips
Extech Alligator Clips

CAT III-1000V rated alligator clips.

$13.19
Extech TL808 Professional Test Lead Kit
Extech TL808 Professional Test Lead Kit

8-piece professional test lead kit with CATIII-1000V safety rating.

Mfg. has stock
$33.99
Extech TL809 Electronic Test Lead Kit
Extech TL809 Electronic Test Lead Kit

Ideally suited for testing digital circuitry.

Mfg. has stock
$18.99
Extech TL810 Electrical Test Lead Kit
Extech TL810 Electrical Test Lead Kit

8-piece, versatile, CAT III-1000V rated testing kit.

$53.99
Extech TL708 Alligator Clips
Extech TL708 Alligator Clips

Heavy duty, large alligator clips with toothed jaws.

$14.29
Extech TL740 Test Clip Set
Extech TL740 Test Clip Set

Industrial plunger style - spring loaded clip with steel jaws.

$30.79
Extech TL747 Test Probe Set
Extech TL747 Test Probe Set

Sharp probes for use on high density components and boards and for piercing insulation.

$21.99
Extech TL831 Test Lead Set
Extech TL831 Test Lead Set

12 piece industrial grade test lead kit.

In Stock
$127.99
Extech TL833 Test Lead Set
Extech TL833 Test Lead Set

Industrial test lead set with CAT III - 1000V rating.

$85.99
Extech TL841 Test Lead Kit
Extech TL841 Test Lead Kit

16-piece kit with multiple test lead tip configuration.

Mfg. has stock
$117.99

Current Clamps

FLIR TA72 / TA74 Current Probes
FLIR TA72 / TA74 Current Probes

Compatible with most brands of Multimeters and Clamp Meters, max AC current 3000A, ±3.0% accuracy.

Mfg. has some models in stock
Starting at $185.99

Accessories

Please consider these optional accessories.

Extech Soft Vinyl Carrying Cases
Extech Soft Vinyl Carrying Cases

Protect and store your multimeters and accessories in a soft vinyl carrying case.

Starting at $9.99
Extech HG500 Magnetic Hanging Strap
Extech HG500 Magnetic Hanging Strap

Magnetic hanging strap for the Extech EX500 Industrial Multimeters.

$11.99
Extech CA3000 Series Clamp-On Adapters
Extech CA3000 Series Clamp-On Adapters

CAT IV 3000A AC Flex Clamp-on Adaptors, 10" or 18", AC current up to 3000A, 7.5mm cable diameter.

Starting at $150.99

This product can be used in the following applications: