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Testers Categories
Best Choice EMSea 
EMSea 125mm Profession Insulated Electrician Slotted Tester Pen 100V-500V AC Testing Voltage : 100V-500V | Tip Type : Slotted | Overall Length : 138mm.Best Value AstroAI 
AstroAI Non-Contact Voltage Tester 12V with Torch, Voltage Tester Pen with LCD Percentage Display, Wire Breakpoint Finde Integrated Voltage tester & Screwdriver - The VTS1000H includes a high-strength steel screwdriver at the tail. This Two-25% Off AstroAI 
AstroAI Digital Multimeter Tester 2000 Counts with DC AC Voltmeter and Ohm Volt Amp Meter; Measures Voltage, Current, Re Additional Tips - The following incorrect operations may cause the multimeter not to show results: Firstly, the plugs of20% Off KAIWEETS 
KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Singal Percentage, Dual Range AC 12V/70V-1000V, Live/Null Wire T 【SAFETY FIRST】- It will send out multiple alarms through sound and light. When the voltage is detected, the tip will senBestgle 
Bestgle Universal Digital Battery Tester and Capacity Detector LCD Display Battery Checker for Various Battery Types Inc Premium Material: The digital universal battery tester is made of high-quality ABS insulation plastic; lightweight and c38% Off KLEIN TOOLS 
Klein Tools A-NCVT-3P Dual Range Non Contact Voltage Tester Pen, 12/70-1000V AC, Flashlight, Audible and Flashing LED Al Versatile Voltage Detection: This Voltage Tester offers non-contact detection of low voltage in security, entertainment,30% Off AstroAI 
AstroAI Multimeter Tester, TRMS 4000 Counts Volt Meter Auto-Ranging Ohmmeter Digital 1.5v/9v/12v Battery Voltage Tester Wide application - The AstroAI M4K0R Multimeter accurately measures AC/DC voltage to 600V, Current to 10A, Resistance toSZJMS New Upgraded Network Cable Tester with Optical Power Meter VFL, CAT5 CAT6 Cable Toner Ethernet Cable Tester, RJ45 Networ New Upgraded Multi-function Network Cable Tester: NF-8506 TDR network tester has IP scanning, POE test, anti-interferencFNIRSI FNIRSI USB 4-28V 7A LCD USB Tester A&C Multimeter Current and Voltage Power Tester with Bluetooth, Fast Charge Detection 【Updated Designed USB Tester】FNIRSI FNB58 USB tester has a 2.0-inch full-color ultra-wide viewing angle TFT LCD display,KLEIN TOOLS Klein Tools VDV Scout Pro 3 Tester Kit Measure cable length up to 2000 feet (610 m)BSIDE BSIDE AST01ER Socket Tester RCD Outlet Tester Automatic Electric Power Circuit Polarity Voltage Detector Wall Plug Break [Easy to use] - Plug the mains tester in any doubtful sockets and the clear LED indication displays trustworthy results16% Off KLEIN TOOLS Klein Tools A-NCVT-1XT Non-Contact Low Voltage Tester Pen, 70V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip Non Contact Detection: This Voltage tester can detect 70-1000V AC voltage in cables, cords, circuit breakers, lighting fSZJMS New Upgraded Network Cable Tester with Optical Power Meter VFL, CAT5 CAT6 Cable Toner Ethernet Cable Tester, RJ45 Networ Anti-interference Network Cable Tester: Adopt advanced digital/analog/POE mode, high sensitivity, less noise interferencFARLINK FARLINK RJ45 RJ11 Cat5 Cat6 LAN Cable Tester Handheld Network Cable Tester Wire Telephone Line Tool for LAN RJ45 Cat7 UT General-purpose -This RJ45 Cable Tester can be applied in testing not only UTP and shield RJ45 cat5e cat6 cat6a cable,bueversame USB C Power Meter Testers, Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter,USB C Voltage Current V UPGRADED MULTIFUNCTIONAL USB C POWER METER: Detects the charging status and process of your USB-enabled or type c-enableSZJMS TDR Network Cable Tester with Multimeter Tester, RJ45 CAT5 CAT6 Ethernet Cable Tester Port Flashing, NCV Anti-Burn AC DC Revolutionary Network Cable Tester: NF-8509 Network Tester Combines network and cable tester and multimeter functions. Tozchillon Ozchillon 3–48V Digital Automotive Test Light with LCD Display – Electric Circuit Tester, Voltage Meter, Fuse Checker, C Accurate Digital LED Readout – Test from 3V to 48V DC. This battery tester pen light features a bright digital LED voltmNOYAFA NOYAFA NF-826 Underground Cable Tester Locator Wire Tracker Detector, Wall and Underground Pipeline Wire Detector. Test 1. NF-826 Underground & In-Wall Wire Locator is a portable instrument,which consists of transmitter, receiver and accessCEM CEM AC-6 50V-1000V Non-Contact Voltage Detector, Portable AC Voltage Tester Pen, Electrical Tester for Circuit Breakers, ⚡【NON-CONTACT AC VOLTAGE TESTER】- The AC-6 non-contact AC voltage detectors is used to detect whether there is AC voltagB-Qtech B-Qtech Digital Water Quality Tester 8 in 1, PH/TDS/EC/ORP/S.G/H2/SALT/TEMP Tester, Portable Water Tester for Drinking W 【8 in 1 Function】This is a water tester with TDS Meter, Ph meter, EC, salinity, ORP, S.G sea water meter and temperatureORAPXI Pool Salt Tester ORAPXI pH and Salt Meter for Saltwater Pool pH and Salinity Digital Tester 5 in 1 Salt Meter for Swimmi Test pool salt level- Salt range:0-9990ppm/10-100pptFabater Cable Detector, Wire Tracker, Multifunction Cable Tester Wire Locator Line Finder for Telephone Line Network Cable Advanced Wire Tracer: Locate and trace cables with ease, perfect for network cable collation.Wintact Wintact Non-Contact AC Voltage Detector Pen, 12V-1000V/48V-1000V Dual Range, High/Low Adjustable Sensitive, Live/Null Wi Help You Avoid Dangerous Shock: The fully insulated probe tip eliminates the risk of contacting live electrical wires enFolanda Battery Tester, Universal Digital Battery Checker for Household Batteries, Portable Small Battery Testers Model BT168 fo 【BATTERY CAPACITY CHECKER 】This battery checker will accurately display whether the battery is in a bad, low capacity orOlulyfu USBC Tester Power Meter, USB-Tester, Type C Voltage and Current Tester-Meter, Aluminum Alloy Housing with Colorful LED D 【Comprehensive Data Monitoring】 The usb c tester power meter provides real-time tracking of 10+ parameters across displa16% Off ANCEL ANCEL BA101 Car Battery Tester 12V Digital Automotive Load & Alternator Tester Diagnostic Tool, 100-2000 CCA Battery Hea 12V Battery Tester: Always on edge about your car conking out on the road due to battery issues? Well, once you have the20% Off Handeful Handeful Grip Strength Tester - Dynamometer Handgrip Measurer Meter, Handheld Strengthener Exerciser for Sports, School, [Accurate Measurement] - This hand Grip Strength Tester is equipped with a high-precision strain gauge sensor for accuraTotholztri Digital Multimeter and Voltage Tester Pen Kit, Electrical Testing Tools VERSATILE KIT: Complete electrical testing kit including both a digital multimeter and non-contact voltage tester pen foSILHOL SILHOL Digital Battery Tester and Capacity Detector LCD Display Battery Checker for Various Battery Types Including AA, Works with Almost Any Battery–Tests AA, AAA, C, D, N, 9V, and 1.5V button cells (like LR44)—great for household gadgets,31% Off KLEIN TOOLS Klein Tools A-VDV526-200 LAN Scout Jr. 2 Cable Tester Cable tester for data (RJ45) terminated cables and patch cords36% Off KAIWEETS KAIWEETS Multimeter 2000 Counts Digital Multimeter with DC AC Voltmeter, Ohm Volt Amp Test Meter and Continuity Test Dio Multi-Function: This multimeter can test AC/DC Voltage, DC (not for AC), Resistance, Continuity, Diode Measurement.Treedix Treedix Cable Tester with 2.4" Color Screen for eMarker Reading, PD 3.0/3.1 Detection, Resistor and Continuity Check, Co 【USB Cable Performance Testing】Test USB cable continuity, functionality (charging, data transfer, high-speed signal), anGTRH Insulation Resistance Meter Digital Ohmmeter Megger Handheld Insulation Tester Megameter 0-2000MΩ 100V/220V/500V/1000V H Yotsuba 240V Plug Power Meter Energy Watt Voltage Amps Meter Consumption Energy Monitor Watt Electricity Usage Tester with Elect Measures various parameters: power (W), energy (kWh), volts, amps, hertz, power factor and maximum power (W), time, daysElectop USB Power Meter Testers, Multi Functional 2 in 1 Type C USB Tester, LCD Digital Multimeter, Voltage,Current, Power Capac Multi Functional Tester: Multiple interfaces (USB input/output, Type-C input/output and Micro USB input),Used to detectsMIFARA Digital Water Quality Tester 8 in 1, PH/TDS/EC/ORP/S.G/H2/SALT/TEMP Tester, Portable Water Tester with LCD Display, for [8-in-1 Design] The water quality tester can measure salinity/SG/PH/H2/TDS/OPR/EC/TEMP and other indicators. You can useCCJZBCAU Car Circuit Tester with Display, Automotive Circuit Tester, Max 48V Automotive Circuit Tester, Accurate Car Fuse Tester, Real Time Reading and Efficient: The car circuit tester provides real time readings to help diagnose problems effectivelYotsuba Electrical LCD Digital Multimeter Ohmmeter Multi OHM Tester AC DC Voltmeter Volt Amp and Diode Voltage Tester Meter Easy to operate and the readings indicated directly on the screenZateety Digital Multimeter, Tools and Testers, CAT II 1000V, CAT III 600V, True Rms Auto Range, Measuring Capacitance, Resistanc 【Instant and Fast Testing】: The home multimeter has a built-in high-precision sensor, which is responsive and fast; it iBSIDE BSIDE Voltage Tester Non Contact Voltage Detector Electrical Circuit Tester Pen, with Test Leads for Capacitance Diode C [Red/Green Backlight]: The pocket ac voltage tester has a large LCD display, with red/green backlight, very easy to readLuluntol Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Household Drinking, Pool, High Accuracy Digital pH Tester Reliable Brand: We believe that knowledge is power, especially the water we consume. We are dedicated to empowering indiZateety Digital Multimeter, Tools and Testers, CAT II 1000V, CAT III 600V, True Rms Auto Range, Measuring Capacitance, Resistanc 【Instant and Fast Testing】: The home multimeter has a built-in high-precision sensor, which is responsive and fast; it iSoonkoda 4 in 1 Soil PH Tester Soil Moisture Meter/Light/Soil Salinity/Soil pH Meter for Gardening Soil Plant Hygrometer Soil Tes [4 in 1]Ambient light;Soil moisture;Soil PH;Soil salinityRuining Ruining Transistor Tester, Multifunction TFT Transistor Tester, TFT Colorful Display Screen Diode Tester Kit, Diodes Tes 【WIDE RANGE OF APPLICATIONS】The transistor tester can be widely used to detect NPN and PNP transistors, capacitors, resiAvanti Avanti Cake Tester 2-Pieces Set White Stainless steel cake testerMakerHawk MakerHawk USB C Meter Type-C Multimeter Current Power Capacity AMP Voltage Charger Load Impedance PD Digital Temperature USB Color Display Tester can monitor Voltage, Current, Capacity, Electric Quanity, Power,Temperature,Load Impedance, D+/Mcbazel Mcbazel 5-in-1 Soil Tester with Backlit LCD&Dual Probe-Digital Soil pH Meter,Moisture Meter for Fertility,Temp,Light-Soi 【5-in-1 Multi-Function Soil Tester with Backlit LCD】Effortlessly monitor your plant's health with our all-in-one soil meUNI-T HDMI Cable Tester UNI-T UT681HDMI Tests HDMI and mini-HDMI Cables Easy to use. Auto check of open circuits, short circuits and crossover circuits15% Off Yotsuba Compression Tester Set for Petrol Engine Cylinder Compression Tester Kit Tool Set Automobile Pressure Gauge Practical Cylinder Compression Tester for petrol engines.Nurdo Insulation Tester, Insulation Resistance Tester DCV ACV Meter 1000V Ground Megger Megohmmeter Megohm Voltmeter w/LCD Bac 💡[Large LCD 2000 counts display with switchable backlight, easy to read.Zopsc USB Tester Type C Multimeter Voltage Current Meter Power Volt Ammeter DC430V 012A, 0.77in HD Display, Drop Resistant Cas [Wide Compatibility] Supports multiple tests, real-time charging power detection, and fast charge testGeneric Soil Moisture Meter, 4-in-1 Soil PH Meter, Soil Tester, Digital Soil PH Tester with Light/PH/Temperature, Plant Thermome 🌲【Professional Soil Moisture Sensor Meter】4-in-1 soil ph meter allows you to easily and quickly know the state of the sFARLINK FARLINK RJ45 RJ11 Cat5 Cat6 LAN Cable Tester Handheld Network Cable Tester Wire Telephone Line Tool for LAN RJ45 Cat7 UT General-purpose -This RJ45 Cable Tester can be applied in testing not only UTP and shield RJ45 cat5e cat6 cat6a cable,buVvillelm Digital Water Quality Tester 7 in 1, pH/TDS/EC/ORP/S.G//Salt/Temp Teter, Portable Water Meter for Drinking Water/Swimmin 【【Warm Reminder】】:After receiving the tester, please restore the factory settings before performing automatic calibratio22% Off Veepeak Veepeak 12V Car Battery Tester, Automotive 100-2000 CCA Digital Battery Load Tester Alternator Analyzer Vehicle Charging BATTERY HEALTH CHECK: Scan and show you overall status of an auto 12V acid-lead battery in seconds such as SOC (state ofSxhlseller USB C Power Meter Tester, 4-30V 0-6.5A Digital Multimeter, Multifunction Tester Display Capacity Voltage Current Detecto Safety Testing: USB C power tester detects the quality of and cables, providing a safe charging environment for your valAIDERLY Digital Circuit Test Pen, 6V-24V DC Vehicle Tester, 1.8m Extendable Spring Wire, LED Display VERSATILE VOLTAGE: Universal circuit tester compatible with 3V/6V/12V/24V DC power systems, perfect for automotive electZhimu Universal Battery Tester, Professional ABS Digital Battery Capacity Meter AA AAA Battery Test (Black) SUPPORT A VARIETY OF BATTERY TYPES: Support D type, C type, AA battery, AAA battery, N type, 1.5V button battery, etc.Sxhlseller LCD Power Tester, Intuitive Voltage Display with Automatic Fault Alarm, Compatible with ATX, BTX, ITX, TFX Power Supplie [CLEAR LCD DISPLAY] - The LCD liquid crystal display provides a clear glance at the output voltageKLEIN TOOLS Klein Tools A-NCVT-2P Dual Range Non-Contact Voltage Tester Pen, 12/70-1000V AC, Audible and Flashing LED Alarms, Pocket Versatile Voltage Detection: This Voltage Tester offers non-contact detection of low voltage in security, entertainment,LVKMOSO 4 in 1 TDS Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Test 【Multifunctional 4 in 1】Professional TDS (Total Dissolved Solids), EC (Electrical Conductivity), Temperature (Degree CenBSIDE BSIDE Voltage Tester, Non-Contact with 3-Phase Rotation Indicator & Signal Percentage, Rechargeable AC Electrical Voltag [3-Phase Rotation Tester]: Non-contact voltage tester integrated 3-phase rotation meter, it can shows “L” (left) rotatioMakerHawk MakerHawk USB Multimeter USB Voltmeter Ammeter Load Tester USB Voltage Current PD Battery Power Capacity Charger Digital 【Guide description】: https://www.youtube.com/watch?v=T8AchDV0UzY. The Video of Changing Language Link: https://drive.goo28% Off Handexer Handexer Grip Strength Tester with Protective Case 265lb/120kg, Digital Hand Dynamometer FDA Registered with Backlit LCD Large capacity - This grip strength tester measures grip strengths up to a maximum of 256lb / 120kg in 0.2lb / 0.1kg incChihutown 200Pcs Perfume Test Strips, Fragrance Smelling Strips, Perfume Blotter Cards, Scent Tester Strips, Disposable Aromathera 【Package Includes】Two packs, each pack has 100pcs test papers, 200pcs fragrance test papers in total, enough quantity to21% Off Mcbazel Mcbazel 6-in-1 Soil Tester with Dual-Probe Technology–Accurately Measure pH, Temperature, Fertility, Light Intensity & H 6-in-1 Soil Tester: Monitor moisture, pH, temperature, fertility, light intensity, and humidity. Get real-time, accurate42% Off Hosa Hosa Audio Cable Tester Diagnoses signal failure in cables terminated with any combination of XLR, Phone, Phono, and speakON connectors etcQUMOX QUMOX Diamond Tester II V2 with 60X LED Loupe – Portable Electronic Gemstone Selector Tool for Diamond, Moissanite & Gem Accurate Diamond Identification - Detects real diamonds based on thermal conductivity — instantly distinguishes diamonds15% Off LYCENXI Engine Compression Tester Kit, Petrol Engine Cylinder Compression Tester Kit Automotive Tool Gauge, Fuel Pressure Gauge Complete Test Kit: This engine compression tester kit comes with an easy-to-read pressure gauge, conversion connector, a29% Off JoyBub Soil Moisture Meter, 6-in-1 Digital Moisture Meter Plant with Fertility/Moisture/PH/Temp/Sunlight/Humidity, Soil PH Test 【6-in-1 Soil Tester – Your Ultimate Gardening Companion】Keep your plants thriving with our soil moisture meter, soil pHYewhick Yewhick Digital Pool Water Tester, Pool Salt Tester & Digital Chlorine Tester, Pool pH Tester 7 in 1 FAC Digital Salinit Free Chlorine Tester for Pool - The Yewhick digital pool chlorine Tester can quickly help you monitor the concentration13% Off KLEIN TOOLS Klein Tools Insulation Resistance Tester Measures up to 1000V AC/DC, resistance, and continuityGeneric Smart Voltage Detector with LED Display - Safe and Durable Socket Tester Tester Smart Voltage ABS Socket Box Digital Socket Box: Easily test the voltage with this smart voltage detector. 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DOTBlock Tester Block Tester BT-500 Combustion Leak Test Kit Complete Combustion Leak Test Kit - Includes Fluid - Nothing More to BuyValkynos Valkynos Professional Diamond Tester Pen with 365nm UV Light & Thermal Sensor – Fast 0.5s Detection, Portable Gem Checke After-Sales Service: 30-day unconditional return or exchange. For any issues or battery replacement (same type availableJiawu Electric Fence Tester, Electric Fence Voltage Tester 10KV, with 6Pcs Light, Waterproof Portable Fence Voltmeter for Farm PREMIUM MATERIAL: Adopting high quality ABS and copper materials, very sturdy with cold weather and long term using as wBETOOLL BETOOLL 8pcs Petrol Engine Cylinder Compression Tester Kit Automotive Tool Gauge Designed to measure compression within petrol engines.Aruzpy 0-140PSI Fuel Injector Pump Pressure Gauge Tester Kit Upgraded Fuel Pressure Gauge Tester Kit with Quick Connector Hose 0–140PSI Fuel Pressure Tester Kit – 22PCS Set: Complete fuel pressure tester kit for petrol engines. Designed for cars,Pomya Professional Fiber Optic Cable Visual Fault Locator, 15KM Range Portable Optical Fiber Tester with 2.5mm Universal Fiber ROBUST CONNECTIONS: Specifically designed for longevity, clock weight Cover hook set boasts a sturdy construction and thQUMOX QUMOX Non-Contact Voltage Tester 12-1000V Adjustable Sensitivity AC Voltage Detector Pen Live/Null Wire Tester Buzzer Al 【Fast and Efficient】The voltage tester can accurately detect the voltage in the circuit, thus distinguishing the neutralOriGlam OriGlam 【The Best Deal】 Spark Plug Tester, Adjustable Ignition System Coil Tester, Coil-on Plug Ignition Spark Circuit T √ Professional Design - According to spark color and flash over distance to determine the quality of the coil.Xingbing Cake Tester Needle Cake Testing Probe Cake Tester,3Pcs Stainless Steel Cake Testing Needles Cake Skewer Tester Practical This package contains 3 pieces of stainless steel cake tester needles, perfect for testing the progress of cake or breadFANTIA High Accuracy Professional Diamond Tester Portable Gem Selector Gemstone Jeweler Tool Testing Kit Pen 【Professional Product 】: Designed for quick, precise, and safe diamond testing. Portable electronic device for distinguiOBEST OBEST Water Tester 5-in-1,TDS Meter Digital Water Tester with Voice Function,Acid/Alkaline Ph Meter,EC Water Tester for 【5-in-1 Water Quality Tester】Achieve precise water analysis with this 5-in-1 tds meter digital water tester combining phCRFY 600Pcs Perfume Strip Fragrance Tester Paper – Perfume Paper Test Strip Blotter for Essential Oil and Scent Testing, Comp Durable Paper Material for Accurate Scent Testing — Made of quality paper that is thick, reliable and not easy to tear.B-Qtech B-Qtech Water Quality Tester, PH/CL/ORP/H2/Temp 5 in 1, Chlorine Tester Digital, Portable PH Tester with LCD Display, fo 【5-in-1 Design】 The water quality tester can measure PH/COLOR/H2/OPR/TEMP indicators. You can use it to measure the chloYeanifeana Yeanifeana Digital LED Circuit Tester, 3-90V Automotive Test Light with Voltage Display, Bidirectional Electrical Tester 【Professional-Grade Voltage Testing】 This Digital LED Circuit Tester accurately measures 3-90V systems, perfect for auto26% Off KLEIN TOOLS Klein Tools A-VDV526-100 Network, LAN Explorer, Data Cable Tester with Remote Cable tester with single button testing of RJ11, RJ12 and RJ45 terminated voice and data cablesKLEIN TOOLS Klein Tools A-VDV526-100 Network, LAN Explorer, Data Cable Tester with Remote Cable tester with single button testing of RJ11, RJ12 and RJ45 terminated voice and data cablesEnhon Enhon Head Gasket Tester Combustion Leak Test Kit with 8.5oz Testing Fluid and Universal Radiator Adapter, Dual-Chamber Dual chamber Design: Our cylinder head gasket combustion leak tester adopts a unique dual chamber structure, filtering w15% Off Centra Centra Hand Dynamometer Grip Strength Trainer, Digital Hand Grip Strength Tester, Grip Strength Measurement Exercise,Aut ACCURATE GRIP MEASUREMENT - Equipped with a high-precision strain gauge sensor, this digital hand dynamometer measures gZopsc ATX Power Supply Computer Electrical Tester Host Inspection and Maintenance Tester Tool with LCD Display LCD liquid crystal display, the output voltage is clear at a glance.ITEQ ITEQ Brake Fluid Liquid Tester Pen with 5 LED Indicators, Calibrated For DOT3 DOT4 Brake Fluid Test the car brake fluid quality quickly to check whether it's qualified, which can remind you to change the brake fluidMaciebelle Digital Water Quality Tester, TDS EC Temperature Meter 3 in 1, 0-9999 ppm LCD Display for Drinking Water Test, Swimming [ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Equipped with premium quality titanium alloy probe, TDS water q17% Off moistenland [Upgraded] Soil Moisture Meter, 4-in-1 Soil pH Tester, Soil Moisture/Light/Nutrients/pH Meter for Gardening, Lawn, Farmi Comprehensive and Professional: 4-in-1 Soil Tester, better sense the Moisture/Light/Nutrient/pH of the soil, and take be