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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 BeautyFeature
Clearance in Testers(391)
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
8114.5 out of 5 Stars. 811 reviews
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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
3764.1 out of 5 Stars. 376 reviews
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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
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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
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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
1144.2 out of 5 Stars. 114 reviews
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Flash Deal 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
344.9 out of 5 Stars. 34 reviews
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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
473.5 out of 5 Stars. 47 reviews
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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 $19.99
Now$929
current price Now $9.29, Was $19.99$19.99
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
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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
1014 out of 5 Stars. 101 reviews
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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
1074.1 out of 5 Stars. 107 reviews
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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
604.6 out of 5 Stars. 60 reviews
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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
274.9 out of 5 Stars. 27 reviews
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KAIWEETS Circuit Breaker Finder with LCD Display, GFCI Outlet Tester, Electrical Circuit Tracer Tool with NCV Test & Flashlight, Includes Carrying Case and Adapters- KT301P $77.19 Was $85.78
Now$7719
current price Now $77.19, 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
35 out of 5 Stars. 3 reviews
NOYAFA NF-827 Circuit Breaker Finder & Locator with GFCI Outlet Tester, Circuit Breaker Tester Tool, NCV Voltage Detector (90-120V AC) $34.99 Was $43.99
Now$3499
current price Now $34.99, Was $43.99$43.99
NOYAFA NF-827 Circuit Breaker Finder & Locator with GFCI Outlet Tester, Circuit Breaker Tester Tool, NCV Voltage Detector (90-120V AC)
464.4 out of 5 Stars. 46 reviews
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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
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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
15 out of 5 Stars. 1 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
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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
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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
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Neoteck 6000 Counts Digital Multimeter with NCV and TRMS Auto Range Multimeter for AC/DC Voltage&Current,Resistance,Capacitance,Frequency,Temperature,Duty Ratio,Continuity Voltmeter for Car Circuit Was $29.99
Neoteck 6000 Counts Digital Multimeter with NCV and TRMS Auto Range Multimeter for AC/DC Voltage&Current,Resistance,Capacitance,Frequency,Temperature,Duty Ratio,Continuity Voltmeter for Car Circuit
74.7 out of 5 Stars. 7 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
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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
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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
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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 $17.52 Was $21.64
Now$1752
current price Now $17.52, 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
Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01 $17.99 Was $19.99
Now$1799
current price Now $17.99, Was $19.99$19.99
Luvan 5 in 1 PH Tester Soil,Digital PH/EC/Salinity/Temp/TDS Meter for Drinking Water Pool Moisture Fish,0.01
393.9 out of 5 Stars. 39 reviews
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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
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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
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
Professional Inductance Tester with Type-C Port High Sensitivity Electromagnetic Induction Tool for Quick Fault Check on Motherboard Coils in Repair 2PCS $10.99 Was $15.99
Now$1099
current price Now $10.99, Was $15.99$15.99
Professional Inductance Tester with Type-C Port High Sensitivity Electromagnetic Induction Tool for Quick Fault Check on Motherboard Coils in Repair 2PCS
Fluke 15B+ 1000 V LCD Multimeter $99.98 Was $117.00
Now$9998
current price Now $99.98, Was $117.00$117.00
Fluke 15B+ 1000 V LCD Multimeter
15 out of 5 Stars. 1 reviews
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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
AstroAI CM2K0R 600V, 400A Red LCD Digital Clamp Current Tester $21.98 Was $24.99
Now$2198
current price Now $21.98, Was $24.99$24.99
AstroAI CM2K0R 600V, 400A Red LCD Digital Clamp Current Tester
224.8 out of 5 Stars. 22 reviews
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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
Veevvio Non-Contact Voltage Tester, Dual-Range AC 12V/48V-1000V Circuit Detector with LED Display, Buzzer Alarm & Breakpoint Finder, Batteries Included, 1-Pack $7.19 Was $7.99
Now$719
current price Now $7.19, Was $7.99$7.99
Veevvio Non-Contact Voltage Tester, Dual-Range AC 12V/48V-1000V Circuit Detector with LED Display, Buzzer Alarm & Breakpoint Finder, Batteries Included, 1-Pack
44.5 out of 5 Stars. 4 reviews
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Plertrvy Clearance Button Checker Indicator Tester 9V Cell C/D Aaa Aa Battery Other Bt-168D Battery Capacity Tester(Black@0723) $2.15 Was $4.69
Now$215
current price Now $2.15, Was $4.69$4.69
Plertrvy Clearance Button Checker Indicator Tester 9V Cell C/D Aaa Aa Battery Other Bt-168D Battery Capacity Tester(Black@0723)
Clearance!Musol Plant Moisture Meter Houseplants - Accurate Plant Water Meter for Indoor Plants Soil Moisture Meter Stocking Stuffers Gift for Mom Dad Adults - No Battery Needed From $5.41
From$541
Clearance!Musol Plant Moisture Meter Houseplants - Accurate Plant Water Meter for Indoor Plants Soil Moisture Meter Stocking Stuffers Gift for Mom Dad Adults - No Battery Needed
23 out of 5 Stars. 2 reviews
Klein Tools CL390 AC/DC Auto-Ranging Digital Clamp Meter 400 Amp w/ Contrast Display
Klein Tools CL390 AC/DC Auto-Ranging Digital Clamp Meter 400 Amp w/ Contrast Display
194.5 out of 5 Stars. 19 reviews
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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
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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
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