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Test Instruments

Discover the perfect balance of precision, style, and reliability with our curated collection of test instruments. Designed to meet the diverse needs of HVAC professionals, electricians, and dedicated DIYers, these tools offer more than just functionality—they bring confidence and clarity to every task.

From sleek digital displays to ergonomic designs, each instrument is crafted to enhance your workflow. Whether you're diagnosing complex systems or performing routine checks, these tools provide accurate readings and intuitive interfaces, ensuring you work efficiently and effectively.

Beyond their technical prowess, these instruments are built to last, combining durability with aesthetic appeal. Their robust construction ensures they withstand the demands of daily use, while their modern design adds a touch of professionalism to your toolkit.

Ready to elevate your work with tools that deliver both performance and style? Explore our collection and find the perfect instrument to complement your expertise.

Original price $88.95
Original price $88.95 - Original price $88.95
Original price $88.95
Current price $70.95
$70.95 - $70.95
Current price $70.95

UT105 Automotive Digital Multimeter

5+ in stock

THE UT105 is specially designed for automotive diagnostics. It combines RPM, DWELL, and other multimeter functions. The series is useful for au...

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Original price $88.95
Original price $88.95 - Original price $88.95
Original price $88.95
Current price $70.95
$70.95 - $70.95
Current price $70.95
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Original price $71.95
Original price $71.95 - Original price $71.95
Original price $71.95
Current price $56.95
$56.95 - $56.95
Current price $56.95

Uni-T UT39C Digital Multimeter AC DC V/A Ohm Temp Hz Multimeter

5+ in stock

The Uni-T UT39C Digital Multimeter is versatile for measuring various electrical parameters. It can measure AC/DC voltage, current, resistance,...

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Original price $71.95
Original price $71.95 - Original price $71.95
Original price $71.95
Current price $56.95
$56.95 - $56.95
Current price $56.95
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Original price $83.95
Original price $83.95 - Original price $83.95
Original price $83.95
Current price $61.95
$61.95 - $61.95
Current price $61.95

Uni-T UT136C+ Digital Multimeter

5+ in stock

The new generation of UT136+ series digital multimeter has an innovative industrial design that ensures that the product can withstand a drop of 2...

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Original price $83.95
Original price $83.95 - Original price $83.95
Original price $83.95
Current price $61.95
$61.95 - $61.95
Current price $61.95
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Original price $76.95
Original price $76.95 - Original price $76.95
Original price $76.95
Current price $59.39
$59.39 - $59.39
Current price $59.39

Uni-T UT125C Pocket Size Digital Multimeter

5+ in stock

UT125C is a pocket-size, ergonomic and reliable multimeter with 4000 display counts. It is a useful tool for electronics DIYers working with low c...

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Original price $76.95
Original price $76.95 - Original price $76.95
Original price $76.95
Current price $59.39
$59.39 - $59.39
Current price $59.39
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Original price $221.95
Original price $221.95 - Original price $221.95
Original price $221.95
Current price $176.95
$176.95 - $176.95
Current price $176.95

Robinair Tif Battery Charger For Tif8800 & Tif8900 Combustible Gas Detectors Atp-100568

5+ in stock

Battery Charger to suit the Australian model TIF8800 & TIF8900 Combustible Gas Detectors. A specialist charger made for TIF brand combustible ...

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Original price $221.95
Original price $221.95 - Original price $221.95
Original price $221.95
Current price $176.95
$176.95 - $176.95
Current price $176.95
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Original price $76.95
Original price $76.95 - Original price $76.95
Original price $76.95
Current price $60.95
$60.95 - $60.95
Current price $60.95

Fieldpiece Blow Molded Case For Refrigerant Leak Detector Srl2 Or Srl8 - Abmk3

5+ in stock

The ABMK3 is best recommended for technicians who purchased the SRL2 Infrared Refrigerant Leak Detector Kit when it originally came with the soft-s...

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Original price $76.95
Original price $76.95 - Original price $76.95
Original price $76.95
Current price $60.95
$60.95 - $60.95
Current price $60.95
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Original price $1,059.99
Original price $1,059.99 - Original price $1,059.99
Original price $1,059.99
Current price $959.99
$959.99 - $959.99
Current price $959.99

Uni-T UT275 Clamp Earth Ground Tester

5+ in stock

UT270 series can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes. It...

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Original price $1,059.99
Original price $1,059.99 - Original price $1,059.99
Original price $1,059.99
Current price $959.99
$959.99 - $959.99
Current price $959.99
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Original price $1,029.95
Original price $1,029.95 - Original price $1,029.95
Original price $1,029.95
Current price $823.95
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Current price $823.95

Uni-T UT315A Vibration Tester

5+ in stock

UT315A handheld vibration testers can measure displacement, velocity, and acceleration of rotating and reciprocating machinery. Technicians can use...

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Original price $1,029.95
Original price $1,029.95 - Original price $1,029.95
Original price $1,029.95
Current price $823.95
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Current price $823.95
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Original price $648.95
Original price $648.95 - Original price $648.95
Original price $648.95
Current price $518.95
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Current price $518.95

Uni-T UT528AU Portable Appliance Tester (PAT)

5+ in stock

The UT528AU PAT tester from Uni-T is now available and configured to AS/NZS electrical standards. The UT528AU is the new version of the UT527/UT528...

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Original price $648.95
Original price $648.95 - Original price $648.95
Original price $648.95
Current price $518.95
$518.95 - $518.95
Current price $518.95
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Original price $528.95
Original price $528.95 - Original price $528.95
Original price $528.95
Current price $405.95
$405.95 - $405.95
Current price $405.95

Uni-T UT526 Multifunction Insulation and RCD Tester

5+ in stock

The UT526 is a digital multi-function electrical tester integrating the latest analog, digital and processing engineering techniques to test insu...

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Original price $528.95
Original price $528.95 - Original price $528.95
Original price $528.95
Current price $405.95
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Current price $405.95
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Original price $359.99
Original price $359.99 - Original price $359.99
Original price $359.99
Current price $259.99
$259.99 - $259.99
Current price $259.99

Uni-T UT582+ Digital RCD Tester

5+ in stock

The UT582+ is mainly used to detect whether the RCD in the circuit can be triggered normally. It is only suitable for single-phase circuits with th...

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Original price $359.99
Original price $359.99 - Original price $359.99
Original price $359.99
Current price $259.99
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Current price $259.99
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Original price $753.95
Original price $753.95 - Original price $753.95
Original price $753.95
Current price $575.95
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Current price $575.95

Uni-T UT505B Handheld Insulation Resistance Tester

5+ in stock

Uni-T’s UT505 series handheld true RMS insulation resistance testers combine many features of a digital multimeter and insulation resistance test...

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Original price $753.95
Original price $753.95 - Original price $753.95
Original price $753.95
Current price $575.95
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Current price $575.95
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Original price $289.99
Original price $289.99 - Original price $289.99
Original price $289.99
Current price $239.99
$239.99 - $239.99
Current price $239.99

Uni-T UT502A Insulation Resistance Tester

5+ in stock

An excellent insulation resistance tester used for insulation resistance measurement for insulation materials and various kinds of electric equipme...

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Original price $289.99
Original price $289.99 - Original price $289.99
Original price $289.99
Current price $239.99
$239.99 - $239.99
Current price $239.99
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Original price $231.95
Original price $231.95 - Original price $231.95
Original price $231.95
Current price $175.95
$175.95 - $175.95
Current price $175.95

Uni-T UT501B 1000V Insulation Resistance Tester DAR PI Functions

5+ in stock

An excellent insulation resistance tester used for insulation resistance measurement for insulation materials and various kinds of electric equipme...

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Original price $231.95
Original price $231.95 - Original price $231.95
Original price $231.95
Current price $175.95
$175.95 - $175.95
Current price $175.95
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Original price $193.95
Original price $193.95 - Original price $193.95
Original price $193.95
Current price $145.95
$145.95 - $145.95
Current price $145.95

Uni-T UT501A 1000V Insulation Resistance Tester

5+ in stock

UT501 100V-1000V Insulation Resistance Meter Ground Tester UT500 series insulation testers are used to measure the insulation resistance of elec...

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Original price $193.95
Original price $193.95 - Original price $193.95
Original price $193.95
Current price $145.95
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Current price $145.95
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Original price $984.95
Original price $984.95 - Original price $984.95
Original price $984.95
Current price $787.95
$787.95 - $787.95
Current price $787.95

Uni-T UT593AU Multifunction RCD Loop Tester

5+ in stock

UT593AU is a comprehensive digital multifunctional electrical safety test instrument. Newly released in 2021, the UT593AU meets AS/NZS electrical s...

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Original price $984.95
Original price $984.95 - Original price $984.95
Original price $984.95
Current price $787.95
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Current price $787.95
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Original price $48.95
Original price $48.95 - Original price $48.95
Original price $48.95
Current price $38.95
$38.95 - $38.95
Current price $38.95

Uni-T UT12E AC Voltage Detector

5+ in stock

UT12E and UT12M are UNI-T’s professional-grade voltage detectors. They are designed with IP67 dust/water-resistant and can withstand a 2-meter dro...

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Original price $48.95
Original price $48.95 - Original price $48.95
Original price $48.95
Current price $38.95
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Current price $38.95
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Original price $53.95
Original price $53.95 - Original price $53.95
Original price $53.95
Current price $39.99
$39.99 - $39.99
Current price $39.99

Uni-T UT12M AC Voltage Solenoid Detector

5+ in stock

Uni-T AC Voltage Detector - UT12E and UT12M: Rugged and Reliable Enhance your toolkit with the professional-grade Uni-T AC Voltage Detectors, UT12E...

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Original price $53.95
Original price $53.95 - Original price $53.95
Original price $53.95
Current price $39.99
$39.99 - $39.99
Current price $39.99
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Original price $157.95
Original price $157.95 - Original price $157.95
Original price $157.95
Current price $119.99
$119.99 - $119.99
Current price $119.99

Uni-T UT18D LCD Voltage And Continuity Tester

5+ in stock

UT18D LCD Voltage And Continuity Testers are designed for testing AC/DC voltage, 3-phase voltage, phase sequence, continuity. LCD Voltage And Conti...

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Original price $157.95
Original price $157.95 - Original price $157.95
Original price $157.95
Current price $119.99
$119.99 - $119.99
Current price $119.99
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Original price $142.95
Original price $142.95 - Original price $142.95
Original price $142.95
Current price $105.95
$105.95 - $105.95
Current price $105.95

Uni-T UT18C Voltage And Continuity Tester

5+ in stock

Uni-T UT18C Voltage Tester - Precision and Durability for Professional Use The Uni-T UT18C Voltage Tester is engineered to provide reliable and acc...

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Original price $142.95
Original price $142.95 - Original price $142.95
Original price $142.95
Current price $105.95
$105.95 - $105.95
Current price $105.95
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Original price $186.95 - Original price $186.95
Original price $186.95
$1,399.99
$1,399.99 - $1,399.99
Current price $1,399.99

Uni-T UT139S True RMS Digital Multimeter

5+ in stock

UT139S is CAT III 600V digital multimeter designed for electricians. Its NCV feature can effectively check the electrical status by measuring EM fi...

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Original price $186.95 - Original price $186.95
Original price $186.95
$1,399.99
$1,399.99 - $1,399.99
Current price $1,399.99
Original price $568.95
Original price $568.95 - Original price $568.95
Original price $568.95
Current price $454.95
$454.95 - $454.95
Current price $454.95

Hilmor LDHD250 Heated Diode Refrigerant Leak Detector

5+ in stock

The Hilmor LDHD250 Heated Diode Refrigerant Leak Detector is a high-quality tool designed for the detection of refrigerant leaks in air conditionin...

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Original price $568.95
Original price $568.95 - Original price $568.95
Original price $568.95
Current price $454.95
$454.95 - $454.95
Current price $454.95
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Original price $1,043.95
Original price $1,043.95 - Original price $1,043.95
Original price $1,043.95
Current price $834.95
$834.95 - $834.95
Current price $834.95

Hilmor LDIR150 Infrared Refrigerant Leak Detector

5+ in stock

TheHilmor LDIR150 Infrared Refrigerant Leak Detector features a number of advanced features, including a high/low sensitivity setting, a visual and...

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Original price $1,043.95
Original price $1,043.95 - Original price $1,043.95
Original price $1,043.95
Current price $834.95
$834.95 - $834.95
Current price $834.95
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Original price $1,521.95
Original price $1,521.95 - Original price $1,521.95
Original price $1,521.95
Current price $1,216.95
$1,216.95 - $1,216.95
Current price $1,216.95

Inficon D-TEK 3 Refrigerant Leak Detector

5+ in stock

D-TEK 3 builds on the proven performance of D-TEK leak detectors with added features to help you do your job faster. An easy-to-change sensor,...

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Original price $1,521.95
Original price $1,521.95 - Original price $1,521.95
Original price $1,521.95
Current price $1,216.95
$1,216.95 - $1,216.95
Current price $1,216.95
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