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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.

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Bosch IR-LD1.0 Infrared Carbon Dioxide Leak Detector Save 20% Save %
$1,596.95
$1,596.95 - $1,596.95
$1,596.95
$1,276.95
$1,276.95 - $1,276.95
$1,276.95

Bosch IR-LD1.0 Infrared Carbon Dioxide Leak Detector

5+ in stock

Description The New Bosch IR LD 1.0 Infrared Carbon Dioxide (CO2) Leak Detector is designed to to detect CO2 refrigerant leaks in refrigeration sy...

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$1,596.95
$1,596.95 - $1,596.95
$1,596.95
$1,276.95
$1,276.95 - $1,276.95
$1,276.95
Save 20% Save %
Supco Handheld Insulation Tester M500 Save 19% Save %
$389.99
$389.99 - $389.99
$389.99
$313.95
$313.95 - $313.95
$313.95

Supco Handheld Insulation Tester M500

5+ in stock

Affordable Megohmmeter: M500 Insulation Tester The M500 megohmmeter offers a cost-effective solution for measuring insulation resistance, providing...

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$389.99
$389.99 - $389.99
$389.99
$313.95
$313.95 - $313.95
$313.95
Save 19% Save %
Uni-T Battery Internal Resistance Tester UT677A
$909.99 - $909.99
$909.99
$909.99 - $909.99
$909.99

Uni-T Battery Internal Resistance Tester UT677A

5+ in stock

UT677A is a measuring instrument used to measure the internal resistance, voltage, and temperature of rechargeable batteries such as lead-acid batt...

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$909.99 - $909.99
$909.99
$909.99 - $909.99
$909.99
Bosch CS-LD1.0 Leak Detector
Save 20% Save %
$1,066.99
$1,066.99 - $1,066.99
$1,066.99
$853.59
$853.59 - $853.59
$853.59

Bosch CS-LD1.0 Leak Detector

Only 4 left!

Intelligent circuit: alerts user to change filter, detects failed sensor, detect contaminated (over-dose) sensor and self purges. Extra large hi...

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$1,066.99
$1,066.99 - $1,066.99
$1,066.99
$853.59
$853.59 - $853.59
$853.59
Save 20% Save %
RWA2 : Wall Charger for Leak Detectors
$26.95 - $26.95
$26.95
$59.99
$59.99 - $59.99
$59.99

RWA2 : Wall Charger for Leak Detectors

5+ in stock

RWA2 240 Vac Wall Charger Suit Fieldpiece SRL2, SRL8 & SCL2 Leak Detectors AU version supplied

$26.95 - $26.95
$26.95
$59.99
$59.99 - $59.99
$59.99
RCA2 Car Charger for SRL2K7, SRL8 & SCL2 Leak Detectors
$26.95 - $26.95
$26.95
$59.99
$59.99 - $59.99
$59.99

RCA2 Car Charger for SRL2K7, SRL8 & SCL2 Leak Detectors

5+ in stock

RCA2 12Vdc Car Charger for SRL2, SRL8 & SCL2 Leak Detectors

$26.95 - $26.95
$26.95
$59.99
$59.99 - $59.99
$59.99
RFT6 Filtered Tips for Fieldpiece DR Leak Detectors
$56.95 - $56.95
$56.95
$79.99
$79.99 - $79.99
$79.99

RFT6 Filtered Tips for Fieldpiece DR Leak Detectors

5+ in stock

RFT6 - Replacement Filtered Tips for Fieldpiece DR Refrigerant Leak Detectors Fieldpiece filters and O-rings are designed to help protect your r...

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$56.95 - $56.95
$56.95
$79.99
$79.99 - $79.99
$79.99
Heated Diode Leak Detector for Refrigerants
Save 3% Save %
$922.95
$922.95 - $922.95
$922.95
$892.95
$892.95 - $892.95
$892.95

Heated Diode Leak Detector for Refrigerants

5+ in stock

DR58 - Heated Diode Refrigerant Leak Detector Rugged and Accurate with State-of-the-Art Heated Diode Sensor Refrigerant Leak Detector for HV...

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$922.95
$922.95 - $922.95
$922.95
$892.95
$892.95 - $892.95
$892.95
Save 3% Save %
Infrared Leak Detector for Refrigerants CODE: DR82
Save 20% Save %
$1,269.95
$1,269.95 - $1,269.95
$1,269.95
$1,015.95
$1,015.95 - $1,015.95
$1,015.95

Infrared Leak Detector for Refrigerants CODE: DR82

5+ in stock

DR82 - Infrared Refrigerant Leak Detector Infrared Refrigerant Leak Detector for HVACR - Superior Sensitivity in a Rugged Design for HVACR Like al...

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$1,269.95
$1,269.95 - $1,269.95
$1,269.95
$1,015.95
$1,015.95 - $1,015.95
$1,015.95
Save 20% Save %
Imperial LD910 Combustible Gas Leak Detector
Save 20% Save %
$1,008.95
$1,008.95 - $1,008.95
$1,008.95
$806.95
$806.95 - $806.95
$806.95

Imperial LD910 Combustible Gas Leak Detector

5+ in stock

High sensitivity to all combustible gases including Methane (natural gas), Propane, Butane, Ethane, Acetylene, Methanol, Acetone and gasoline. Desc...

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$1,008.95
$1,008.95 - $1,008.95
$1,008.95
$806.95
$806.95 - $806.95
$806.95
Save 20% Save %
Viper Big Blu Sub Zero Micro Leak Detector Solution 3.78L
Save 9% Save %
$214.95
$214.95 - $214.95
$214.95
$194.95
$194.95 - $194.95
$194.95

Viper Big Blu Sub Zero Micro Leak Detector Solution 3.78L

5+ in stock

FREEZE-RESISTANT MICRO LEAK DETECTOR SUBZERO BLU 1L The Viper Big Blu Sub Zero Micro Leak Detector Solution 3.78L is an extremely low-temperature v...

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$214.95
$214.95 - $214.95
$214.95
$194.95
$194.95 - $194.95
$194.95
Save 9% Save %
FREEZE-RESISTANT MICRO LEAK DETECTOR 1L
Save 20% Save %
$59.95
$59.95 - $59.95
$59.95
$47.95
$47.95 - $47.95
$47.95

FREEZE-RESISTANT MICRO LEAK DETECTOR 1L

5+ in stock

FREEZE-RESISTANT MICRO LEAK DETECTOR SUBZERO BLU 1L The Big Blu Subzero is an extremely low-temperature version of Viper's renowned Big Blu bubble ...

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$59.95
$59.95 - $59.95
$59.95
$47.95
$47.95 - $47.95
$47.95
Save 20% Save %
VIPER BIG BLU Micro Leak Detector
Save up to 20% Save %
$38.95 - $113.95
$38.95 - $113.95
$38.95
$30.95 - $90.95
$30.95 - $90.95
$30.95

VIPER BIG BLU Micro Leak Detector

5+ in stock

The Big Blu range of bubble leak detectors is used by OEMs and industry professionals worldwide. These strong, persistent film-forming liquids are ...

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$38.95 - $113.95
$38.95 - $113.95
$38.95
$30.95 - $90.95
$30.95 - $90.95
$30.95
Save up to 20% Save %
Uni-T UT60BT BlueTooth True RMS Digital Multimeter
Save 20% Save %
$112.95
$112.95 - $112.95
$112.95
$89.95
$89.95 - $89.95
$89.95

Uni-T UT60BT BlueTooth True RMS Digital Multimeter

5+ in stock

UT60BT Digital Multimeter - Advanced Precision and Connectivity Unlock advanced testing capabilities with the UT60BT Digital Multimeter, a professi...

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$112.95
$112.95 - $112.95
$112.95
$89.95
$89.95 - $89.95
$89.95
Save 20% Save %
Uni-T UT39E+ High-Precision Digital Multimeter
Save 23% Save %
$116.95
$116.95 - $116.95
$116.95
$89.99
$89.99 - $89.99
$89.99

Uni-T UT39E+ High-Precision Digital Multimeter

5+ in stock

The UNI-T Standard Digital Multimeter Tester UT39E is a feature-rich digital multimeter complete with plug-in lead and holster, abl...

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$116.95
$116.95 - $116.95
$116.95
$89.99
$89.99 - $89.99
$89.99
Save 23% Save %
Uni-T UT17B-PRO Digital Multimeter
Save 26% Save %
$257.95
$257.95 - $257.95
$257.95
$189.99
$189.99 - $189.99
$189.99

Uni-T UT17B-PRO Digital Multimeter

5+ in stock

UT17B PRO is a reliable, safe, durable true RMS multimeter with CAT III 1000V/CAT IV 600V ratings. Equipped with a built-in VFC, i...

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$257.95
$257.95 - $257.95
$257.95
$189.99
$189.99 - $189.99
$189.99
Save 26% Save %
Uni-T UT195DS Industrial Digital Multimeter
Save 24% Save %
$459.95
$459.95 - $459.95
$459.95
$349.99
$349.99 - $349.99
$349.99

Uni-T UT195DS Industrial Digital Multimeter

5+ in stock

The UT195DS industrial multimeters troubleshooting capability, resolution, and precision are improved to find issues related to motor drives...

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$459.95
$459.95 - $459.95
$459.95
$349.99
$349.99 - $349.99
$349.99
Save 24% Save %
UT105 Automotive Digital Multimeter
Save 20% Save %
$88.95
$88.95 - $88.95
$88.95
$70.95
$70.95 - $70.95
$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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$88.95
$88.95 - $88.95
$88.95
$70.95
$70.95 - $70.95
$70.95
Save 20% Save %
Uni-T UT39C Digital Multimeter AC DC V/A Ohm Temp Hz Multimeter
Save 21% Save %
$71.95
$71.95 - $71.95
$71.95
$56.95
$56.95 - $56.95
$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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$71.95
$71.95 - $71.95
$71.95
$56.95
$56.95 - $56.95
$56.95
Save 21% Save %
Uni-T UT136C+ Digital Multimeter
Save 26% Save %
$83.95
$83.95 - $83.95
$83.95
$61.95
$61.95 - $61.95
$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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$83.95
$83.95 - $83.95
$83.95
$61.95
$61.95 - $61.95
$61.95
Save 26% Save %
Uni-T UT125C Pocket Size Digital Multimeter
Save 23% Save %
$76.95
$76.95 - $76.95
$76.95
$59.39
$59.39 - $59.39
$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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$76.95
$76.95 - $76.95
$76.95
$59.39
$59.39 - $59.39
$59.39
Save 23% Save %
Robinair Tif Battery Charger For Tif8800 & Tif8900 Combustible Gas Detectors Atp-100568
Save 20% Save %
$221.95
$221.95 - $221.95
$221.95
$176.95
$176.95 - $176.95
$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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$221.95
$221.95 - $221.95
$221.95
$176.95
$176.95 - $176.95
$176.95
Save 20% Save %
Fieldpiece Blow Molded Case For Refrigerant Leak Detector Srl2 Or Srl8 - Abmk3
Save 21% Save %
$76.95
$76.95 - $76.95
$76.95
$60.95
$60.95 - $60.95
$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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$76.95
$76.95 - $76.95
$76.95
$60.95
$60.95 - $60.95
$60.95
Save 21% Save %
Uni-T UT275 Clamp Earth Ground Tester
Save 9% Save %
$1,059.99
$1,059.99 - $1,059.99
$1,059.99
$959.99
$959.99 - $959.99
$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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$1,059.99
$1,059.99 - $1,059.99
$1,059.99
$959.99
$959.99 - $959.99
$959.99
Save 9% Save %

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