Test Instruments
Test instruments are essential tools for accurate diagnostics in the field, helping technicians and homeowners stay safe while fine-tuning equipment. Achieve precise measurements with top-quality products such as voltage testers, static pressure kits, water hardness test strips, infrared thermometers, and pocket-sized thermometers. Our instruments offer convenient features like data hold, auto power-off, integrated storage, circular laser targeting, and built-in work lights. Explore a wide selection of trusted brands, including UEi Test Instruments, MA-Line, and Klein Tools, available now at Jackson Systems & Supply for all your testing needs!
Showing 1–16 of 67 resultsSorted by popularity
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MSRP: $557.46You save 71%
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Sale!
Adjustable Pocket Thermometers with Case and 5″ Stem
Original price was: $8.00.$2.63Current price is: $2.63.MSRP: $9.44You save 72% -
MSRP: $18.39You save 15%
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MSRP: $28.35You save 15%
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MSRP: $103.37You save 15%
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MSRP: $11.59You save 15%
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Sale!
Plug-in GFI Receptacle Tester, Checks for Electrical Issues
Original price was: $11.99.$5.78Current price is: $5.78.MSRP: $14.15You save 59% -
MSRP: $204.21You save 15%
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MSRP: $241.49You save 15%
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MSRP: $291.30You save 15%
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MSRP: $17.26You save 15%
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MSRP: $18.42You save 15%
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MSRP: $312.75You save 15%
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MSRP: $187.5You save 31%
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MSRP: $166.18You save 15%
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MSRP: $175.95You save 13%
