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Extech - Mega Sale! Save up to 29%


Mega Sale! Up to 29% off on Extech products at GC Lib. Hurry! Limited time offers. Offers valid only while supplies last.



Extech MG302 Wireless 13 Function True RMS Multi Meter/Insulation Tester
Extech MG302 Wireless 13 Function True RMS Multi Meter/Insulation Tester
In Stock
$429.99

mpn: MG302, ean: 0793950380024,

Insulation Tester/Multimeter with Wireless PC Interface Designed for users outside of North America because of its 433 MHz wireless transmitter frequency, the MG302 is a true RMS multimeter with built-in insulation resistance tester with the added sa...


Extech 480826 Triple Axis EMF Tester
Extech 480826 Triple Axis EMF Tester
In Stock
$309.99
$279.99
You Save: 10%

mpn: 480826, ean: 0793950488263,

4.0 out of 5 stars with 21 reviews
Easy to use Remote Probe --- Designed to Provide User a Quick , Reliable and Easy Way to Measure EMF Radiation Levels around Power Lines, Electrical Appliances and Industrial Devices --- Includes: (1) Sensor with 3ft. cable; (1) 9V Battery; (1) Hard ...


Extech EMF510 EMF/ELF Meter
Extech EMF510 EMF/ELF Meter
In Stock
$139.99

mpn: EMF510, ean: 0793950225103,

The Extech EMF510 measures energy from electromagnetic fields (EMF) and electrical signals and is sensitive to extremely low frequency levels (ELF). The built-in single-axis sensor is ideal for monitoring power lines, electrical appliances, fans and ...


Extech GRT350-NISTL Earth Ground Resistance/Resistivity Tester 4-Wire with Limited NIST
Extech GRT350-NISTL Earth Ground Resistance/Resistivity Tester 4-Wire with Limited NIST
In Stock
$1,354.87

mpn: GRT350-NISTL, ean: 0793950383254,

The grt350-nist is a 4-wire earth ground resistance and resistivity tester which measures earth ground resistance from 2 to 2000 Ohm and resistivity from 0.06 to 628 ohm-m. The grt350-nist supports 4-wire, 3-wire, and 2-wire testing. This tester has ...


Extech HD700 Differential Pressure Manometer - 2PSI
Extech HD700 Differential Pressure Manometer - 2PSI
In Stock
$199.99
$143.99
You Save: 28%

mpn: HD700, ean: 0793950107003,

4.1 out of 5 stars with 27 reviews
Extech HD700 Differential Pressure Manometer; Large LCD display with backlighting; ±2psi range, 11 Selectable units of measure; Max/Min/Avg recording and Relative time stamp; Data Hold and Auto power off functions Offering 11 selectable units of mea...


EXTECH INSTRUMENTS 380460 MILLI OHMMETER, 4WIRE, 2000 OHM
EXTECH INSTRUMENTS 380460 MILLI OHMMETER, 4WIRE, 2000 OHM
In Stock
$401.70

mpn: 380460,

EXTECH INSTRUMENTS 380460 MILLI OHMMETER, 4WIRE, 2000 OHM...


Extech 380395 Digital High Voltage Insulation Tester
Extech 380395 Digital High Voltage Insulation Tester
In Stock
$1,029.00
$728.07
You Save: 29%

mpn: 380396, ean: 0793950803967,

4.4 out of 5 stars with 45 reviews
View larger Digital High Voltage Insulation Tester Measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Comes with test leads, eight C batteries, 120V AC adaptor, heavy duty carrying case, and user manual. Addi...


Extech CT70 AC Circuit Load Tester
Extech CT70 AC Circuit Load Tester
In Stock
$160.71
$143.99
You Save: 10%

mpn: CT70, ean: 0793950000700,

4.1 out of 5 stars with 18 reviews
Quickly checks for AC outlet load handling capabilities plus outlet tester functions AC load tester functions:. Selectable loads of 12, 15 and 20 Amps. Measures loaded and unloaded AC line voltage. Calculates and displays percent voltage drop and lin...


Extech GRT300 Four Wire Earth Ground Resistance Tester
Extech GRT300 Four Wire Earth Ground Resistance Tester
In Stock
$799.00
$735.49
You Save: 8%

mpn: GRT300, ean: 0793950383018,

4.6 out of 5 stars with 49 reviews
Measure earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and P (potential) spike check. Test Hold function for easy operation. Autoranging, Automatic Zero adjustment, Data Hol...


Extech VFM200 VOC/Formaldehyde Meter
Extech VFM200 VOC/Formaldehyde Meter
In Stock
$299.99

mpn: VFM200, ean: 0793950722008,

The VFM200 is a voc/ formaldehyde meter which measures voc (volatile organic compound) and formaldehyde concentrations in real-time. Fast response time, compact, easy-to-carry, and excellent for Checking the Indoor air quality of homes, offices, fact...


Extech MG500 Digital High Voltage Insulation Tester
Extech MG500 Digital High Voltage Insulation Tester
In Stock
$1,599.00

mpn: MG500, ean: 0793950380055,

Digital High Voltage Insulation Tester The MG500 is a CAT III-300V insulation tester capable of performing voltage tests up to 10 kilovolts (500 volts to 10 adjustable in 500 volts steps), with insulation resistance from 800 k to 500 GΩ (autoranging...


Extech CT80 AC Circuit Load Tester with GFCI/AFCI
Extech CT80 AC Circuit Load Tester with GFCI/AFCI
In Stock
$190.71

mpn: CT80, ean: 0787721624622,

AC load tester functions: Selectable loads of 12, 15 and 20 amps Measures loaded and unloaded AC line voltage Calculates and displays % voltage drop and line impedance Displays peak line voltage and frequency Provides over-temperature protection Outl...


Extech 380360 Digital Megaohm Insulation Tester
Extech 380360 Digital Megaohm Insulation Tester
In Stock
$249.99
$233.58
You Save: 7%

mpn: EXT380360, ean: 0793950383605,

4.9 out of 5 stars with 24 reviews
Measures insulation resistance of AC/DC motors, cables and power tools. 1-year limited warranty. Three test voltages 250 Volt, 500 Volt and 1000 Volt Measures AC voltage to 600 Volt Safety power lock enables handsfree operation for 3-minute test Auto...


Extech 380363 Digital High Voltage Insulation Tester
Extech 380363 Digital High Voltage Insulation Tester
In Stock
$289.99
$208.79
You Save: 28%

mpn: 380363, ean: 0793950383636,

4.9 out of 5 stars with 11 reviews
View larger Digital High Voltage Insulation Tester Measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Comes with test leads, eight C batteries, 120V AC adaptor, heavy duty carrying case, and user manual. Addi...


Extech MG310 Compact Digital Insulation Tester
Extech MG310 Compact Digital Insulation Tester
In Stock
$199.99
$149.99
You Save: 25%

mpn: MG310, ean: 0793950380109,

4.8 out of 5 stars with 35 reviews
The MG310 is a Compact Insulation Resistance Tester which allows quick and easy testing/troubleshooting of motors, transducers and other industrial appliances. Wide range measurement up to 1000V with Insulation Resistance to 5.5GΩ. Includes an easy ...


Extech EMF450 Multi-Field EMF Meter
Extech EMF450 Multi-Field EMF Meter
In Stock
$299.99
$287.32
You Save: 4%

mpn: EMF450, ean: 0793950224502,

4.6 out of 5 stars with 39 reviews
The EMF450 is a convenient 3-in-1 EMF meter which simultaneously measures and displays Magnetic Field, Electric Field and Radio Frequency Strength. Ergonomic pocket-sized design with an easy-to-navigate menu. Large vivid color TFT display shows digit...


Extech LCR200 Passive Component LCR Meter
Extech LCR200 Passive Component LCR Meter
In Stock
$259.99
$187.19
You Save: 28%

mpn: LCR200, ean: 0793950360200,

4.8 out of 5 stars with 40 reviews
Extech LCR200 Passive Component LCR Meter; Measures Inductance, Capacitance, and Resistance with secondary parameter Q (Quality), D (Dissipation), R (Resistance), P (Phase), ESR (Equivalent Series Resistance) The LCR200 is a passive component LCR met...


Extech 382357 Clamp-on Ground Resistance Tester
Extech 382357 Clamp-on Ground Resistance Tester
In Stock
$1,359.00
$1,060.06
You Save: 22%

mpn: 382357, ean: 0793950383575,

4.3 out of 5 stars with 51 reviews
View larger Clamp-On Ground Resistance Tester Model 382357 Clamp-on Ground Resistance tester enables non-contact measurements of ground conductors without the need for auxiliary ground spikes. Comes with 9V battery, resistance check plate, metal sto...


Extech 382252 Earth Ground Resistance Tester Kit
Extech 382252 Earth Ground Resistance Tester Kit
In Stock
$249.99
$179.99
You Save: 28%

mpn: 382252, ean: 0094717683588,

4.8 out of 5 stars with 20 reviews
Earth Ground Resistance Tester Kit - 382252 Includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000OhmIncludes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000 Ohm. Large dual display with backl...


Extech 380193 Passive Component LCR Meter
Extech 380193 Passive Component LCR Meter
In Stock
$219.99
$158.39
You Save: 28%

mpn: 380193, ean: 0793950381939,

4.2 out of 5 stars with 52 reviews
Measure inductance, capacitance, & resistance with Jameco's stock of extech inductance meters. These passive component LCR meters allows you to set Hi / Lo limits using absolute values or percentage limits. You'll discover the tremendous value with a...



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