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Replacement Battery for JDSU Acterna ANT-5 SDH PDH Access Tester - 3500mAh High Capacity | Compatible with Network Testing Equipment | Perfect for Field Technicians & Telecom Engineers -45% Off
Replacement Battery for JDSU Acterna ANT-5 SDH PDH Access Tester - 3500mAh High Capacity | Compatible with Network Testing Equipment | Perfect for Field Technicians & Telecom Engineers
$49.49 $89.99
Gembird CDL Micro Ethernet Cable Tester - RJ45/RJ11 Network Cable Tester for LAN, Cat5, Cat6 - Male-to-Male Connector - 1-Pack Grey - Perfect for IT Technicians, Network Installations & Home Office Setup -45% Off
Gembird CDL Micro Ethernet Cable Tester - RJ45/RJ11 Network Cable Tester for LAN, Cat5, Cat6 - Male-to-Male Connector - 1-Pack Grey - Perfect for IT Technicians, Network Installations & Home Office Setup
$57.03 $103.7
Digital Soil Moisture Meter - 0-80% Range with Pin Probe, Digital Display & Color Coding - Perfect for Garden, Farm, and Indoor Plant Care -45% Off
Digital Soil Moisture Meter - 0-80% Range with Pin Probe, Digital Display & Color Coding - Perfect for Garden, Farm, and Indoor Plant Care
$131.45 $239
UNI-T UT622A Digital LCR Meter - Handheld Inductance Capacitance Resistance Tester with High Precision, Backlight & Data Hold | Industrial Component Testing, Capacitor ESR Meter for Electronics Repair & Circuit Analysis -45% Off
UNI-T UT622A Digital LCR Meter - Handheld Inductance Capacitance Resistance Tester with High Precision, Backlight & Data Hold | Industrial Component Testing, Capacitor ESR Meter for Electronics Repair & Circuit Analysis
$104.49 $189.99
Morris 59070 4-Way Circuit Tester - 110V/220V/277V/460V AC DC Voltage Detector (22-Pack) - Ideal for Electricians, HVAC Technicians & Industrial Maintenance -45% Off
Morris 59070 4-Way Circuit Tester - 110V/220V/277V/460V AC DC Voltage Detector (22-Pack) - Ideal for Electricians, HVAC Technicians & Industrial Maintenance
$151.73 $275.88
12V DC Automotive EVAP Smoke Machine - Vacuum Leak Detector with Built-in Air Compressor for Car Pipe System Diagnosis | Perfect for Mechanics & DIY Auto Repair Shops -45% Off
12V DC Automotive EVAP Smoke Machine - Vacuum Leak Detector with Built-in Air Compressor for Car Pipe System Diagnosis | Perfect for Mechanics & DIY Auto Repair Shops
$54.99 $99.99
28-Piece Universal Radiator Pressure Tester & Vacuum Cooling System Kit with Toolbox - Compatible with Cars, Trucks & Motorcycles - Perfect for Auto Repair Shops & DIY Mechanics -45% Off
28-Piece Universal Radiator Pressure Tester & Vacuum Cooling System Kit with Toolbox - Compatible with Cars, Trucks & Motorcycles - Perfect for Auto Repair Shops & DIY Mechanics
$60.21 $109.49
MXBAOHENG Portable Pencil Hardness Tester - 500g/750g/1000g 3-in-1 Coating Scratch Resistance Meter for Paint, Wood, Plastic - Ideal for DIY, Automotive & Industrial Surface Testing -45% Off
MXBAOHENG Portable Pencil Hardness Tester - 500g/750g/1000g 3-in-1 Coating Scratch Resistance Meter for Paint, Wood, Plastic - Ideal for DIY, Automotive & Industrial Surface Testing
$167.75 $305
High Precision Axial Probe Tesla Meter Gaussmeter (0-2400mT) - Digital Fluxmeter for Surface Magnetic Field Testing | Industrial, Laboratory & Electronics Repair Use -45% Off
High Precision Axial Probe Tesla Meter Gaussmeter (0-2400mT) - Digital Fluxmeter for Surface Magnetic Field Testing | Industrial, Laboratory & Electronics Repair Use
$121 $220
JPB-70A Dissolved Oxygen Meter & Water Quality Tester with Replaceable Electrode | Professional DO Meter for Aquaculture, Swimming Pools, Wastewater Treatment | Ideal for Fish Farms, Water Testing Labs & Environmental Monitoring -45% Off
JPB-70A Dissolved Oxygen Meter & Water Quality Tester with Replaceable Electrode | Professional DO Meter for Aquaculture, Swimming Pools, Wastewater Treatment | Ideal for Fish Farms, Water Testing Labs & Environmental Monitoring
$58.67 $106.69
MESR-100 Digital Capacitor ESR Meter - High Precision Capacitance & Internal Resistance Tester (0.001-100Ω) - Perfect for Electronics Repair, DIY Projects & Circuit Board Testing -45% Off
MESR-100 Digital Capacitor ESR Meter - High Precision Capacitance & Internal Resistance Tester (0.001-100Ω) - Perfect for Electronics Repair, DIY Projects & Circuit Board Testing
$45.4 $82.55
SJYDQ Digital Clamp Meter - Mini Handheld AC/DC Auto-Ranging Multimeter with LCD Display for Electrical Testing, HVAC, Automotive & Home Use -45% Off
SJYDQ Digital Clamp Meter - Mini Handheld AC/DC Auto-Ranging Multimeter with LCD Display for Electrical Testing, HVAC, Automotive & Home Use
$103.48 $188.16
Bluelab METCOM Digital pH, Temperature & Conductivity Meter - Easy Calibration EC/TDS/PPM Tester for Hydroponics, Aquariums & Indoor Plants | Water Quality Testing for Home Gardening & Greenhouse Use -45% Off
Bluelab METCOM Digital pH, Temperature & Conductivity Meter - Easy Calibration EC/TDS/PPM Tester for Hydroponics, Aquariums & Indoor Plants | Water Quality Testing for Home Gardening & Greenhouse Use
$137.49 $249.99
BYQTEC HT-6510N Digital Screen Tension Tester - Precision Screen Printing Mesh Tension Meter for Stencil & Steel Mesh Measurement - Perfect for Screen Printing Shops & Textile Factories -45% Off
BYQTEC HT-6510N Digital Screen Tension Tester - Precision Screen Printing Mesh Tension Meter for Stencil & Steel Mesh Measurement - Perfect for Screen Printing Shops & Textile Factories
$142.45 $259
ASixxsix Fuel Pressure Tester Kit 0-140 PSI - Professional Automotive Diagnostic Tool for Most Cars & Trucks - Check Fuel Pump, Injector Performance (Ideal for Mechanics & DIY Car Maintenance) -45% Off
ASixxsix Fuel Pressure Tester Kit 0-140 PSI - Professional Automotive Diagnostic Tool for Most Cars & Trucks - Check Fuel Pump, Injector Performance (Ideal for Mechanics & DIY Car Maintenance)
$53.71 $97.66
Portable Haze Meter & Window Tint Tester - ETT-0681 Light Transmission Meter 0.0-100% for Glass, Plastic & Automotive Tint Measurement | Perfect for Car Windows, Home Glass & Industrial Quality Control -45% Off
Portable Haze Meter & Window Tint Tester - ETT-0681 Light Transmission Meter 0.0-100% for Glass, Plastic & Automotive Tint Measurement | Perfect for Car Windows, Home Glass & Industrial Quality Control
$202.95 $369
Digital Thickness Gauge 1-300mm | Precision Thickness Measuring Tool for Metal, Glass, Plastic & Ceramic | Handheld Thickness Tester with LCD Display | Ideal for Quality Control, Manufacturing & DIY Projects -45% Off
Digital Thickness Gauge 1-300mm | Precision Thickness Measuring Tool for Metal, Glass, Plastic & Ceramic | Handheld Thickness Tester with LCD Display | Ideal for Quality Control, Manufacturing & DIY Projects
$88.36 $160.66
GM63B Portable Vibration Meter - High Sensitivity Mini Analyzer with LCD Display for Moving Machinery & Mechanical Watches | Industrial Equipment Testing & Watch Repair Tool -45% Off
GM63B Portable Vibration Meter - High Sensitivity Mini Analyzer with LCD Display for Moving Machinery & Mechanical Watches | Industrial Equipment Testing & Watch Repair Tool
$94.97 $172.69
Portable Dissolved Ozone O3 Meter Tester Pen - Handheld Water Quality Analyzer with Replaceable Sensor for Pool, Spa & Drinking Water Testing | Easy Operation & Low Maintenance -45% Off
Portable Dissolved Ozone O3 Meter Tester Pen - Handheld Water Quality Analyzer with Replaceable Sensor for Pool, Spa & Drinking Water Testing | Easy Operation & Low Maintenance
$179.85 $327
DY1000A Digital Clamp-on Grounding Earth Resistance Tester Meter - Professional Electrical Testing Tool for Home, Industrial & Outdoor Use -45% Off
DY1000A Digital Clamp-on Grounding Earth Resistance Tester Meter - Professional Electrical Testing Tool for Home, Industrial & Outdoor Use
$192.5 $350
Portable Breathalyzer for Blood Alcohol Content (BAC) Testing - Accurate & Fast Results for Home, Car, and Personal Use - Perfect for Parties, Driving Safety, and Workplace Sobriety Checks -45% Off
Portable Breathalyzer for Blood Alcohol Content (BAC) Testing - Accurate & Fast Results for Home, Car, and Personal Use - Perfect for Parties, Driving Safety, and Workplace Sobriety Checks
$9.82 $17.86
AUHX Portable Breathalyzer - Accurate Alcohol Detection Device for Personal & Professional Use | Home, Office, Party & Road Safety -45% Off
AUHX Portable Breathalyzer - Accurate Alcohol Detection Device for Personal & Professional Use | Home, Office, Party & Road Safety
$3.53 $6.43
Digital Brix Refractometer, Alcohol Hydrometer, Ethanol Concentration Tester - Accurate & Durable for Wine, Beer & Spirits - Easy to Use for Home Brewing & Professional Distilling -45% Off
Digital Brix Refractometer, Alcohol Hydrometer, Ethanol Concentration Tester - Accurate & Durable for Wine, Beer & Spirits - Easy to Use for Home Brewing & Professional Distilling
$66.25 $120.46
FR2000C+ 4-Digit LCD Digital Clamp Ground Resistance Tester - Multifunctional Earth Tester with 0.01Ω-1200Ω & 0.00mA-20.0A Measurement, USB Software - Perfect for Electrical Maintenance, Industrial Safety Testing and Power System Diagnostics -45% Off
FR2000C+ 4-Digit LCD Digital Clamp Ground Resistance Tester - Multifunctional Earth Tester with 0.01Ω-1200Ω & 0.00mA-20.0A Measurement, USB Software - Perfect for Electrical Maintenance, Industrial Safety Testing and Power System Diagnostics
$189.75 $345
LS162A Handheld Window Solar Tester Meter - UV/IR Rejection & Light Transmission Analyzer (1400nm) for Measuring Window Film, Tinted Glass - Perfect for Auto, Home & Office Window Tint Testing -45% Off
LS162A Handheld Window Solar Tester Meter - UV/IR Rejection & Light Transmission Analyzer (1400nm) for Measuring Window Film, Tinted Glass - Perfect for Auto, Home & Office Window Tint Testing
$76.56 $139.21
LED Lens Stress Tester with Adjustable Brightness - Authentic Crystal Detector for Optical Lenses, Polarizers & Eyeglasses - Perfect for Jewelry Appraisal, Optical Labs and Eyewear Quality Control -45% Off
LED Lens Stress Tester with Adjustable Brightness - Authentic Crystal Detector for Optical Lenses, Polarizers & Eyeglasses - Perfect for Jewelry Appraisal, Optical Labs and Eyewear Quality Control
$86.03 $156.43
Digital Manometer HVAC Gas Pressure Tester - Fieldpiece Manometer with 10 Pressure Units (-100~300Kpa), Data Locking & Storage, Backlight Display - Perfect for HVAC Technicians, Gas Pressure Testing, and Industrial Applications -45% Off
Digital Manometer HVAC Gas Pressure Tester - Fieldpiece Manometer with 10 Pressure Units (-100~300Kpa), Data Locking & Storage, Backlight Display - Perfect for HVAC Technicians, Gas Pressure Testing, and Industrial Applications
$49.49 $89.99
Digital Refractometer 0-58% Brix Tester - High Accuracy Sugar Content Meter for Beverages, Kombucha, Fruit Juice, Drinking Water | Portable Refractive Index Analyzer | Ideal for Home Brewing, Winemaking & Food Processing -45% Off
Digital Refractometer 0-58% Brix Tester - High Accuracy Sugar Content Meter for Beverages, Kombucha, Fruit Juice, Drinking Water | Portable Refractive Index Analyzer | Ideal for Home Brewing, Winemaking & Food Processing
$52.24 $94.99
Klein Tools CL800 Digital Clamp Meter & RT210 Outlet Tester - Professional GFCI/Standard AC Receptacle Tester for North American Electrical Outlets, Detects Wiring Issues - Ideal for Electricians, Home Inspections & DIY Electrical Projects -45% Off
Klein Tools CL800 Digital Clamp Meter & RT210 Outlet Tester - Professional GFCI/Standard AC Receptacle Tester for North American Electrical Outlets, Detects Wiring Issues - Ideal for Electricians, Home Inspections & DIY Electrical Projects
$78.61 $142.94
EBC-A10H LCD Battery Tester - 110V AC Electronic Load for Lithium & Lead-Acid Batteries | Capacity, Charge & Discharge Testing | USA Stock | Perfect for Home, Workshop & Automotive Battery Maintenance -45% Off
EBC-A10H LCD Battery Tester - 110V AC Electronic Load for Lithium & Lead-Acid Batteries | Capacity, Charge & Discharge Testing | USA Stock | Perfect for Home, Workshop & Automotive Battery Maintenance
$66 $120
12V 24V Digital Car Battery Tester - 2000CCA Automotive Battery Analyzer for Cranking & Charging System Test | Perfect for Mechanics, DIY Auto Repair & Vehicle Maintenance -45% Off
12V 24V Digital Car Battery Tester - 2000CCA Automotive Battery Analyzer for Cranking & Charging System Test | Perfect for Mechanics, DIY Auto Repair & Vehicle Maintenance
$136.4 $248
iDili BC-A40L 40A Large Current Lithium Battery Tester - 5V Charge Discharge Capacity Analyzer, 110V AC Power for LiFePO4/Li-ion Battery Cycling Test | Perfect for EV, Solar Storage & RC Battery Maintenance -45% Off
iDili BC-A40L 40A Large Current Lithium Battery Tester - 5V Charge Discharge Capacity Analyzer, 110V AC Power for LiFePO4/Li-ion Battery Cycling Test | Perfect for EV, Solar Storage & RC Battery Maintenance
$158.94 $288.99
WYFDP DY222 12V 24V Digital Car Battery Tester - 2000CCA Automotive Battery Analyzer for Cranking & Charging Tests | Perfect for Mechanics & DIY Car Maintenance -45% Off
WYFDP DY222 12V 24V Digital Car Battery Tester - 2000CCA Automotive Battery Analyzer for Cranking & Charging Tests | Perfect for Mechanics & DIY Car Maintenance
$169.84 $308.8
Professional Multi-Functional LCD Network Cable Tester - High Precision RJ11 RJ45 Coaxial Wire Length Finder with Remote Adapter for Ethernet, LAN, Phone Line Testing & Network Installation -45% Off
Professional Multi-Functional LCD Network Cable Tester - High Precision RJ11 RJ45 Coaxial Wire Length Finder with Remote Adapter for Ethernet, LAN, Phone Line Testing & Network Installation
$46.2 $84
GIXAA OTDR Fiber Optic Tester Kit - Professional Optical Power Meter & Stable Light Source Combo for Accurate Fiber Attenuation Testing | Ideal for Long-Term Field Work, Network Maintenance & Telecom Installations -45% Off
GIXAA OTDR Fiber Optic Tester Kit - Professional Optical Power Meter & Stable Light Source Combo for Accurate Fiber Attenuation Testing | Ideal for Long-Term Field Work, Network Maintenance & Telecom Installations
$94.96 $172.66
Brilluxa 180W DC USB Adjustable Electronic Load Tester - Constant Current Discharge Power Tester & Battery Capacity Monitor | Precision Battery Testing Equipment for RC Cars, Solar Panels & DIY Electronics Projects -45% Off
Brilluxa 180W DC USB Adjustable Electronic Load Tester - Constant Current Discharge Power Tester & Battery Capacity Monitor | Precision Battery Testing Equipment for RC Cars, Solar Panels & DIY Electronics Projects
$65.1 $118.38