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Home ImprovementIndustrial & ScientificAuto & TiresBeautyCell PhonesHousehold EssentialsVideo GamesParty & OccasionsJewelryBooksElectronicsHomeMovies & TV ShowsMusicSports & OutdoorsToysPhoto CenterBabyPatio & GardenClothingPetsFoodHealth and MedicineShop with PurposeArts Crafts & SewingMusical InstrumentsShop by BrandServicesPersonal CareOffice SuppliesSubscriptionsCollectiblesPremium BeautyShop by MovieFeature
Clearance in Testers(405)
Uses item details. Price when purchased online
Flash Deal D-FantiX Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168 $9.89 Was $15.99
Now$989
current price Now $9.89, Was $15.99$15.99
D-FantiX Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168
8154.5 out of 5 Stars. 815 reviews
Clearance Soil pH Meter, 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use $11.99 Was $17.99
Now$1199
current price Now $11.99, Was $17.99$17.99
Soil pH Meter, 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use
3784.1 out of 5 Stars. 378 reviews
Flash Deal TESMEN TM-510 Digital Multimeter, Auto-Ranging Electrical Tester with 4000 Counts, Measures Voltage, Current, Resistance for Home, Car, DIY $14.44 Was $18.99
Now$1444
current price Now $14.44, Was $18.99$18.99
TESMEN TM-510 Digital Multimeter, Auto-Ranging Electrical Tester with 4000 Counts, Measures Voltage, Current, Resistance for Home, Car, DIY
2384.7 out of 5 Stars. 238 reviews
Flash Deal Soil Tester,3-in-1 Soil Tester Kits, Soil Moisture/Fertility/pH Tester for Plant Care,Gardening Tool Kit for Garden,Lawn,Farm,Plants,Indoor & Outdoor $10.00 Was $17.99
Now$1000
current price Now $10.00, Was $17.99$17.99
Soil Tester,3-in-1 Soil Tester Kits, Soil Moisture/Fertility/pH Tester for Plant Care,Gardening Tool Kit for Garden,Lawn,Farm,Plants,Indoor & Outdoor
1164.2 out of 5 Stars. 116 reviews
Best seller Performance Tool W2974, Digital Multimeter Tester Electric Power Tester From $9.00
4 options
Available in additional 4 optionsFrom$900
Performance Tool W2974, Digital Multimeter Tester Electric Power Tester
574.7 out of 5 Stars. 57 reviews
Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display, White From $8.76
From$876
Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display, White
364.9 out of 5 Stars. 36 reviews
Best seller Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker Was $13.99
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
284.9 out of 5 Stars. 28 reviews
Flash Deal Soil Meter, 3-in-1 Plant Moisture Light PH Tester for Gardening, Farming Indoor & Outdoor Use, No Batteries Needed, 2 Pack, Green $11.69 Was $12.99
Now$1169
current price Now $11.69, Was $12.99$12.99
Soil Meter, 3-in-1 Plant Moisture Light PH Tester for Gardening, Farming Indoor & Outdoor Use, No Batteries Needed, 2 Pack, Green
1033.9 out of 5 Stars. 103 reviews
Best seller 10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester $28.49 Was $39.99
Now$2849
current price Now $28.49, Was $39.99$39.99
10 in 1 Digital Water Tester Meter, PH/TDS/EC/Salinity/SG/ORP/Hydrogen-rich/Resistivity/Temp/Nutrient Solution, Water Tester Pen for Drinking Water Hydroponics Plant Fish Tank, Pool Salt Tester
493.6 out of 5 Stars. 49 reviews
Flash Deal HBN Watt Meter Plug, Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor, Voltage Amps Wattage Electricity Usage Tester, 9 Display Modes $9.29 Was $11.99
Now$929
current price Now $9.29, Was $11.99$11.99
HBN Watt Meter Plug, Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor, Voltage Amps Wattage Electricity Usage Tester, 9 Display Modes
1024.7 out of 5 Stars. 102 reviews
Clearance TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water $10.99 Was $19.99
Now$1099
current price Now $10.99, Was $19.99$19.99
TDS Meter Digital Water Tester, Accurate Professional 4-in-1 TDS, Temperature and EC Meter, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums,Water Tester for Drinking Water
1094.1 out of 5 Stars. 109 reviews
Flash Deal TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized $12.59 Was $19.99
Now$1259
current price Now $12.59, Was $19.99$19.99
TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized
614.6 out of 5 Stars. 61 reviews
Clearance Ustris 2 Pack Battery Tester, Universal Battery Checker for AA / AAA / C / D / 9V / 1.5V Button Cell Batteries $10.01 Was $12.99
Now$1001
current price Now $10.01, Was $12.99$12.99
Ustris 2 Pack Battery Tester, Universal Battery Checker for AA / AAA / C / D / 9V / 1.5V Button Cell Batteries
Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems $10.79 Was $11.99
Now$1079
current price Now $10.79, Was $11.99$11.99
Asunby 3-in-1 Water Quality Tester TDS Meter, EC & Temperature Monitor | 0-9990ppm Accuracy | for Drinking Water, Aquariums, Pools & RO Systems
84.3 out of 5 Stars. 8 reviews
Best seller Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank $23.99 Was $29.99
Now$2399
current price Now $23.99, Was $29.99$29.99
Digital PH Meter, 5 in 1 Pool Salt Tester for Water PH / TDS / EC / Salinity / Temp Meter with ATC, for Household Drinking Water Hot Tub Spas Fish Tank
383.5 out of 5 Stars. 38 reviews
Best seller Slaprin 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red $7.39 Was $8.50
Now$739
current price Now $7.39, Was $8.50$8.50
Slaprin 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red
424.9 out of 5 Stars. 42 reviews
Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank $23.99 Was $26.99
Now$2399
current price Now $23.99, Was $26.99$26.99
Pool Salt Tester, Water Tester 5 in 1 TDS EC Salinity Water Temperature pH Meter, Digital Salinity pH Meter for Swimming Pool, Saltwater, Sea Water, Aquarium, Fish Tank
15 out of 5 Stars. 1 reviews
True RMS 6000-Count Digital Voltmeter,USB Rechargeable FS899L Multimeter,Large Color Screen & Backlight,Smart Automotive Electrical Non Contact Voltage Tester $23.04 Was $28.80
Now$2304
current price Now $23.04, Was $28.80$28.80
True RMS 6000-Count Digital Voltmeter,USB Rechargeable FS899L Multimeter,Large Color Screen & Backlight,Smart Automotive Electrical Non Contact Voltage Tester
25 out of 5 Stars. 2 reviews
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool $26.59 Was $39.99
Now$2659
current price Now $26.59, Was $39.99$39.99
PH Meter 8 in 1 Water Quality Tester Pen Meter, Digital PH Pen for TDS/EC/Salinity/Temp/ORP/S. G/PH/H2, Drinking Water Aquariums Hydroponic Cooking Tester Measure, Plants, Aquarium and Pool
314.2 out of 5 Stars. 31 reviews
KAIWEETS Circuit Breaker Finder with LCD Display, GFCI Outlet Tester, Electrical Circuit Tracer Tool with NCV Test & Flashlight, Includes Carrying Case and Adapters- KT301P $65.99 Was $85.78
Now$6599
current price Now $65.99, Was $85.78$85.78
KAIWEETS Circuit Breaker Finder with LCD Display, GFCI Outlet Tester, Electrical Circuit Tracer Tool with NCV Test & Flashlight, Includes Carrying Case and Adapters- KT301P
74.9 out of 5 Stars. 7 reviews
AstroAI Digital Clamp Meter Multimeter 4000 Counts Auto-ranging Amp Voltage Tester $35.98 Was $45.99
Now$3598
current price Now $35.98, Was $45.99$45.99
AstroAI Digital Clamp Meter Multimeter 4000 Counts Auto-ranging Amp Voltage Tester
234.7 out of 5 Stars. 23 reviews
MOTOPOWER 12V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Test Scan Tool Digital Battery Alternator Analyzer Was $34.65
MOTOPOWER 12V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Test Scan Tool Digital Battery Alternator Analyzer
414.6 out of 5 Stars. 41 reviews
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools $15.99 Was $21.64
Now$1599
current price Now $15.99, Was $21.64$21.64
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools
25 out of 5 Stars. 2 reviews
Lzvxtym 2Pcs Multifunctional PH Meter TDS EC LCD Water Purity PPM Filter Hydroponic Pool Tester Tool Was $19.99
Lzvxtym 2Pcs Multifunctional PH Meter TDS EC LCD Water Purity PPM Filter Hydroponic Pool Tester Tool
274.1 out of 5 Stars. 27 reviews
Clearance DT830B Digital Multimeter, Portable LCD Voltmeter Ohmmeter Tester, Auto Range, AC/DC Voltage, Current, Resistance, Diode, Transistor, Battery Test, for Electrician & Household Use $5.61 Was $6.46
Now$561
current price Now $5.61, Was $6.46$6.46
DT830B Digital Multimeter, Portable LCD Voltmeter Ohmmeter Tester, Auto Range, AC/DC Voltage, Current, Resistance, Diode, Transistor, Battery Test, for Electrician & Household Use
15 out of 5 Stars. 1 reviews
JAMCORAX USB Rechargeable Digital Multimeter with Large Screen,6000 Counts True RMS,Smart Digital Voltmeter for Automotive,Home and Industrial Use $26.99 Was $40.99
Now$2699
current price Now $26.99, Was $40.99$40.99
JAMCORAX USB Rechargeable Digital Multimeter with Large Screen,6000 Counts True RMS,Smart Digital Voltmeter for Automotive,Home and Industrial Use
23.5 out of 5 Stars. 2 reviews
Christmas Analog Multimeter, Plastic Voltage Current Tester, Analog Multimeter Tool for Voltage Current Resistance, Teaching And Home Use, Black $3.41 Was $5.09
Now$341
current price Now $3.41, Was $5.09$5.09
Christmas Analog Multimeter, Plastic Voltage Current Tester, Analog Multimeter Tool for Voltage Current Resistance, Teaching And Home Use, Black
Allosun Automotive Open Short Finder, Wire Tracer Electrical Short Circuit Tester Detector EM415PRO From $22.59
From$2259
Allosun Automotive Open Short Finder, Wire Tracer Electrical Short Circuit Tester Detector EM415PRO
94.6 out of 5 Stars. 9 reviews
Multimeter, AC/DC Volt 1000V Voltmeter Amp Volt Ohm Voltage Tester Meter with Test Leads and Battery Included $6.25 Was $12.59
Now$625
current price Now $6.25, Was $12.59$12.59
Multimeter, AC/DC Volt 1000V Voltmeter Amp Volt Ohm Voltage Tester Meter with Test Leads and Battery Included
33.7 out of 5 Stars. 3 reviews
Allosun Circuit Breaker Finder,Circuit Tracer Non Contact Voltage Tester 120V EM419A $23.03 Was $28.79
Now$2303
current price Now $23.03, Was $28.79$28.79
Allosun Circuit Breaker Finder,Circuit Tracer Non Contact Voltage Tester 120V EM419A
394.1 out of 5 Stars. 39 reviews
VEVOR Digital Multimeter,6000-Count TRMS DC/AC Voltmeter Current Tester,Professional NCV Multimeter for Current Voltage Resistance Capacitance Duty-Cycle Tempetature Diodes Continuity Live Wire Test $28.90 Was $32.99
Now$2890
current price Now $28.90, Was $32.99$32.99
VEVOR Digital Multimeter,6000-Count TRMS DC/AC Voltmeter Current Tester,Professional NCV Multimeter for Current Voltage Resistance Capacitance Duty-Cycle Tempetature Diodes Continuity Live Wire Test
12V-48V LCD Battery Capacity Indicator Digital Voltmeter Voltage Tester N5U0 Was $7.00
12V-48V LCD Battery Capacity Indicator Digital Voltmeter Voltage Tester N5U0
15 out of 5 Stars. 1 reviews
Automotive Short Open Finder Electrical Circuit Tester Cable Wire Breaker Tracker, Generator Circuit Finder Detector Tone Finder 6-42V, Car Scanner Diagnostic Probe Tool $14.20 Was $15.99
Now$1420
current price Now $14.20, Was $15.99$15.99
Automotive Short Open Finder Electrical Circuit Tester Cable Wire Breaker Tracker, Generator Circuit Finder Detector Tone Finder 6-42V, Car Scanner Diagnostic Probe Tool
ANCEL PB50 New Power Circuit Probe Tester, 12V 24V Automotive Circuit Tester, Electrical Diagnistic Tool From $49.99
3 options
Available in additional 3 optionsFrom$4999
ANCEL PB50 New Power Circuit Probe Tester, 12V 24V Automotive Circuit Tester, Electrical Diagnistic Tool
274.5 out of 5 Stars. 27 reviews
Digital Clamp Meter Multimeter, 4000 Counts AC/DC Voltage & Current Tester with NCV, Live Wire Detection, LED Flashlight for Home & Automotive $21.99 Was $24.99
Now$2199
current price Now $21.99, Was $24.99$24.99
Digital Clamp Meter Multimeter, 4000 Counts AC/DC Voltage & Current Tester with NCV, Live Wire Detection, LED Flashlight for Home & Automotive
25 out of 5 Stars. 2 reviews
Fluke 15B+ 1000 V LCD Multimeter $99.98 Was $116.72
Now$9998
current price Now $99.98, Was $116.72$116.72
Fluke 15B+ 1000 V LCD Multimeter
15 out of 5 Stars. 1 reviews
USB Tester, Digital Multimeter Dual USB Output Ports Color LED Display, Capacity Voltage Current Power Voltmeter Ammeter for Laptop Power Bank Phone Solar Panel E8Y5 $5.24 Was $7.84
Now$524
current price Now $5.24, Was $7.84$7.84
USB Tester, Digital Multimeter Dual USB Output Ports Color LED Display, Capacity Voltage Current Power Voltmeter Ammeter for Laptop Power Bank Phone Solar Panel E8Y5
15 out of 5 Stars. 1 reviews
AC Current Voltage Amperage Power Energy Panel Meter LCD Digital Display Ammeter Voltmeter Multimeter with Split Core Current Transformer CT AC 80-260V 100A Multi-Function Power Monitor Was $25.98
AC Current Voltage Amperage Power Energy Panel Meter LCD Digital Display Ammeter Voltmeter Multimeter with Split Core Current Transformer CT AC 80-260V 100A Multi-Function Power Monitor
14 out of 5 Stars. 1 reviews
Klein Tools MM325 600V Manual-Ranging Digital Multimeter Was $39.92
Klein Tools MM325 600V Manual-Ranging Digital Multimeter
74.7 out of 5 Stars. 7 reviews
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