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Hanna HI98319 Digital Marine Salinity Tester - Portable Saltwater Tester for Aquariums, Pools & Seawater Testing | Accurate Salinity Checker for Saltwater Fish Tanks, Marine Biology & Oceanography -45% Off
Hanna HI98319 Digital Marine Salinity Tester - Portable Saltwater Tester for Aquariums, Pools & Seawater Testing | Accurate Salinity Checker for Saltwater Fish Tanks, Marine Biology & Oceanography
$48.95 $89
SG Tool Aid 34300 Heavy Duty Compression Tester Kit - Professional Engine Diagnostic Tool for Cars, Trucks & Motorcycles | Perfect for Mechanics & DIY Auto Repair -45% Off
SG Tool Aid 34300 Heavy Duty Compression Tester Kit - Professional Engine Diagnostic Tool for Cars, Trucks & Motorcycles | Perfect for Mechanics & DIY Auto Repair
$58.84 $106.99
XINDONG Diamond Tester Pen - Professional Gemstone Jewelry Tester Kit for Gold, Color Stones & Diamonds | Portable Electronic Gem Selector Tool for Jewelers, Pawn Shops & Home Use -45% Off
XINDONG Diamond Tester Pen - Professional Gemstone Jewelry Tester Kit for Gold, Color Stones & Diamonds | Portable Electronic Gem Selector Tool for Jewelers, Pawn Shops & Home Use
$136.4 $248
YXMY2020 Digital HVAC Manifold Gauge Set - Freon Pressure Tester, Gas Leak Detector & Vacuum Meter with Hose for Natural Gas, Refrigeration, and AC Repair | Professional HVAC Tools for Technicians -45% Off
YXMY2020 Digital HVAC Manifold Gauge Set - Freon Pressure Tester, Gas Leak Detector & Vacuum Meter with Hose for Natural Gas, Refrigeration, and AC Repair | Professional HVAC Tools for Technicians
$78.52 $142.78
BST-ET52 Digital Ground Resistance Tester with Timer - Professional Earth Ground Tester for Electrical Safety Testing | Perfect for Industrial, Commercial & Home Electrical Maintenance -45% Off
BST-ET52 Digital Ground Resistance Tester with Timer - Professional Earth Ground Tester for Electrical Safety Testing | Perfect for Industrial, Commercial & Home Electrical Maintenance
$142.99 $259.99
Premium CT-8023 Portable Negative Potential Tester - Hydrogen Rich Water Quality & Temperature Detector Pen | For Home, Spa, Wellness & Hydration Testing -45% Off
Premium CT-8023 Portable Negative Potential Tester - Hydrogen Rich Water Quality & Temperature Detector Pen | For Home, Spa, Wellness & Hydration Testing
$83.88 $152.51
**Digital HVAC Vacuum Gauge & Micron Gauge Tester - Professional Air Quality Monitor for HVAC Systems, Refrigerant Recovery & AC Repair | Indoor Air Quality Testing Kit for Home & Workshop Use** -45% Off
**Digital HVAC Vacuum Gauge & Micron Gauge Tester - Professional Air Quality Monitor for HVAC Systems, Refrigerant Recovery & AC Repair | Indoor Air Quality Testing Kit for Home & Workshop Use**
$69.29 $125.99
**ACM91 Digital Clamp Meter 6000 Counts TRMS Auto-Ranging AC/DC Current Tester with Capacitance, Live Check & V-Alert - Perfect for Electricians, HVAC & DIY Home Electrical Projects** -45% Off
**ACM91 Digital Clamp Meter 6000 Counts TRMS Auto-Ranging AC/DC Current Tester with Capacitance, Live Check & V-Alert - Perfect for Electricians, HVAC & DIY Home Electrical Projects**
$47.43 $86.25
Digital Paint Coating Thickness Gauge - SH-CHEN Handheld Fe/NF Meter with Backlit LCD Display | Car Paint Tester for Automotive, Metal & Dimensional Measurement | Perfect for Auto Body Shops & DIY Projects -45% Off
Digital Paint Coating Thickness Gauge - SH-CHEN Handheld Fe/NF Meter with Backlit LCD Display | Car Paint Tester for Automotive, Metal & Dimensional Measurement | Perfect for Auto Body Shops & DIY Projects
$108.02 $196.4
0-1.6MPa Digital Stainless Steel Hydraulic Pressure Gauge - Industrial Precision Pressure Tester with M20x1.5 Connector for Oil, Water & Gas Systems | Workshop, Factory & Hydraulic Equipment Use -45% Off
0-1.6MPa Digital Stainless Steel Hydraulic Pressure Gauge - Industrial Precision Pressure Tester with M20x1.5 Connector for Oil, Water & Gas Systems | Workshop, Factory & Hydraulic Equipment Use
$55.1 $100.19
50pcs Disposable Lip Wands & Mascara Brushes - Multicolor Makeup Applicators for Lipgloss, Lipstick & Eyelash Extension - Perfect for Salons, Makeup Artists & Personal Beauty Kits -45% Off
50pcs Disposable Lip Wands & Mascara Brushes - Multicolor Makeup Applicators for Lipgloss, Lipstick & Eyelash Extension - Perfect for Salons, Makeup Artists & Personal Beauty Kits
$163.9 $298
John Deere Digital Moisture Tester SW16326 - Accurate Grain & Seed Moisture Analyzer for Farming, Agriculture & Harvesting -45% Off
John Deere Digital Moisture Tester SW16326 - Accurate Grain & Seed Moisture Analyzer for Farming, Agriculture & Harvesting
$198.06 $360.12
Extech EX900 Waterproof Pocket Water Quality Tester - Digital pH, Conductivity & Temperature Meter for Drinking Water, Aquariums & Pools | Portable Water Testing Kit for Home, Lab & Outdoor Use -45% Off
Extech EX900 Waterproof Pocket Water Quality Tester - Digital pH, Conductivity & Temperature Meter for Drinking Water, Aquariums & Pools | Portable Water Testing Kit for Home, Lab & Outdoor Use
$183.49 $333.62
Digital Tablet Hardness Tester - Precise Physical Measuring Instrument for Pharmaceutical & Supplement Testing | Lab Quality Hardness Testing Machine for Pills, Capsules & Chewable Tablets -45% Off
Digital Tablet Hardness Tester - Precise Physical Measuring Instrument for Pharmaceutical & Supplement Testing | Lab Quality Hardness Testing Machine for Pills, Capsules & Chewable Tablets
$59.95 $109
JEGS W89733 Cooling System Pressure Tester Kit - Professional Automotive Diagnostic Tool for Radiator, Water Pump & Cap Testing | Perfect for Mechanics & DIY Car Repair -45% Off
JEGS W89733 Cooling System Pressure Tester Kit - Professional Automotive Diagnostic Tool for Radiator, Water Pump & Cap Testing | Perfect for Mechanics & DIY Car Repair
$58.84 $106.99
4 Inch Touch Screen H.265 4K IP Camera Tester - Portable CCTV CVBS Analog Tester with Built-in WiFi, POE, 8GB TF Card, HDMI Output & RJ45 TDR - Ideal for Security Camera Installation & Maintenance (Wrist-Mounted IPC Tester) -45% Off
4 Inch Touch Screen H.265 4K IP Camera Tester - Portable CCTV CVBS Analog Tester with Built-in WiFi, POE, 8GB TF Card, HDMI Output & RJ45 TDR - Ideal for Security Camera Installation & Maintenance (Wrist-Mounted IPC Tester)
$118.79 $215.99
**AMZOPDGS V02B Automatic Digital Multimeter - High Precision Auto-Ranging Transistor Tester with Current Clamp for Home, Automotive & Electronics (Black)** -45% Off
**AMZOPDGS V02B Automatic Digital Multimeter - High Precision Auto-Ranging Transistor Tester with Current Clamp for Home, Automotive & Electronics (Black)**
$92.77 $168.69
ANCEL PB500 Automotive Circuit Tester Kit - Digital Multimeter for AC/DC Voltage, Resistance, Diode, Signal Frequency Testing | Car Electrical Diagnostic Tool for Mechanics & DIY Enthusiasts | Perfect for Vehicle Maintenance & Troubleshooting -45% Off
ANCEL PB500 Automotive Circuit Tester Kit - Digital Multimeter for AC/DC Voltage, Resistance, Diode, Signal Frequency Testing | Car Electrical Diagnostic Tool for Mechanics & DIY Enthusiasts | Perfect for Vehicle Maintenance & Troubleshooting
$65.99 $119.99
Diesel Fuel Injection Tester Kit with 1A to 7 Adapters for American Trucks & Heavy Equipment - Professional Diagnostic Tool for Mechanics & Fleet Maintenance -45% Off
Diesel Fuel Injection Tester Kit with 1A to 7 Adapters for American Trucks & Heavy Equipment - Professional Diagnostic Tool for Mechanics & Fleet Maintenance
$108.6 $197.47
AgraTronix 07120 HT-PRO Hay Moisture Tester with 20 -45% Off
AgraTronix 07120 HT-PRO Hay Moisture Tester with 20" Probe - Digital Forage Moisture Meter for Hay Bales, Straw & Silage | Perfect for Farmers, Ranchers & Agriculture Professionals
$130.35 $237
Oakton WD-35634-30 pHTestr 30 Waterproof Digital pH Meter with Temperature Measurement - Ideal for Aquariums, Pools, Hydroponics & Laboratory Use -45% Off
Oakton WD-35634-30 pHTestr 30 Waterproof Digital pH Meter with Temperature Measurement - Ideal for Aquariums, Pools, Hydroponics & Laboratory Use
$65.36 $118.85
Digital Refractometer 0-95% Brix Tester - High Accuracy Sugar Content Meter for Beverages, Kombucha, Fruit Juice, Honey & Maple Syrup | Portable Refractive Index Analyzer | Perfect for Home Brewing, Winemaking & Food Processing -45% Off
Digital Refractometer 0-95% Brix Tester - High Accuracy Sugar Content Meter for Beverages, Kombucha, Fruit Juice, Honey & Maple Syrup | Portable Refractive Index Analyzer | Perfect for Home Brewing, Winemaking & Food Processing
$76.99 $139.99
Automotive Smoke Machine Leak Detector with Built-in Air Pump | EVAP Smoke Tester with Adjustable Pressure Gauge | 12V DC Vehicle Pipe System Diagnostic Tool | Perfect for Detecting Vacuum Leaks in Cars, Trucks & SUVs -45% Off
Automotive Smoke Machine Leak Detector with Built-in Air Pump | EVAP Smoke Tester with Adjustable Pressure Gauge | 12V DC Vehicle Pipe System Diagnostic Tool | Perfect for Detecting Vacuum Leaks in Cars, Trucks & SUVs
$60.49 $109.99
Uni-T UT502A Digital Insulation Resistance Tester - 2000 Count LCD Backlight Display, Earth Resistance & Voltage Meter - Perfect for Electricians, HVAC Technicians & Home Electrical Safety Testing -45% Off
Uni-T UT502A Digital Insulation Resistance Tester - 2000 Count LCD Backlight Display, Earth Resistance & Voltage Meter - Perfect for Electricians, HVAC Technicians & Home Electrical Safety Testing
$74.31 $135.12
TK100C Portable Digital Cotton Moisture Meter - Seed Cotton Tester with 5-40% Measurement Range | Accurate Fiber Moisture Testing for Agriculture & Textile Industry -45% Off
TK100C Portable Digital Cotton Moisture Meter - Seed Cotton Tester with 5-40% Measurement Range | Accurate Fiber Moisture Testing for Agriculture & Textile Industry
$70.4 $128
TJLSS Digital CO2 Meter with Temperature & Humidity Sensor - Air Quality Monitor & Carbon Dioxide Detector for Home, Office, Classroom, and Indoor Air Quality Testing -45% Off
TJLSS Digital CO2 Meter with Temperature & Humidity Sensor - Air Quality Monitor & Carbon Dioxide Detector for Home, Office, Classroom, and Indoor Air Quality Testing
$194.06 $352.84
Motobatt MBTX12U QUADFLEX AGM Battery - Factory Activated 12V Motorcycle Battery with Free Voltmeter-Pocket Tester | Powersports & ATV Applications -45% Off
Motobatt MBTX12U QUADFLEX AGM Battery - Factory Activated 12V Motorcycle Battery with Free Voltmeter-Pocket Tester | Powersports & ATV Applications
$50.96 $92.66
Janizy DC 8V Soil Moisture Meter - Digital Plant Water Tester for Indoor/Outdoor Plants, Soil pH & Light Analyzer - Perfect for Gardening, Farming & Lawn Care -45% Off
Janizy DC 8V Soil Moisture Meter - Digital Plant Water Tester for Indoor/Outdoor Plants, Soil pH & Light Analyzer - Perfect for Gardening, Farming & Lawn Care
$181.49 $329.99
Delidge Non-Contact Voltage Tester Pen 90-1000V AC with LED Flashlight & Audible Alarm - Detect Live/Null Wires for Electrical Testing, Home Repairs & DIY Projects -45% Off
Delidge Non-Contact Voltage Tester Pen 90-1000V AC with LED Flashlight & Audible Alarm - Detect Live/Null Wires for Electrical Testing, Home Repairs & DIY Projects
$164.45 $299
UNI-T UT139C Auto-Ranging True RMS Digital Multimeter - 6000 Counts, Capacitor Tester, Voltage/Current/Temperature Measurement - Perfect for Electricians, DIY Home Repairs & Automotive Diagnostics -45% Off
UNI-T UT139C Auto-Ranging True RMS Digital Multimeter - 6000 Counts, Capacitor Tester, Voltage/Current/Temperature Measurement - Perfect for Electricians, DIY Home Repairs & Automotive Diagnostics
$45.86 $83.39
JF-XUAN ZT302 True RMS Digital Multimeter - 9999 Counts, AC/DC Voltage, Temperature & Capacitance Tester - Portable Multifunction DMM for Home, Automotive & Electrical Repairs -45% Off
JF-XUAN ZT302 True RMS Digital Multimeter - 9999 Counts, AC/DC Voltage, Temperature & Capacitance Tester - Portable Multifunction DMM for Home, Automotive & Electrical Repairs
$53.31 $96.94
Lutron 822A EMF Meter - Accurate 20 Micro Tesla Electromagnetic Field Tester for Home Appliances, Power Lines & Machinery | Detect EMF Radiation for Home Safety, Office & Industrial Use -45% Off
Lutron 822A EMF Meter - Accurate 20 Micro Tesla Electromagnetic Field Tester for Home Appliances, Power Lines & Machinery | Detect EMF Radiation for Home Safety, Office & Industrial Use
$70.95 $129
IT-803A Digital Insulation Tester - 20 GOhm Resistance Range, High Accuracy Electrical Safety Tester for Home, Industrial and Commercial Use -45% Off
IT-803A Digital Insulation Tester - 20 GOhm Resistance Range, High Accuracy Electrical Safety Tester for Home, Industrial and Commercial Use
$54.99 $99.99
Performance Tool W89736 Cooling System Pressure Tester Kit - Professional Automotive Diagnostic Tool for Radiator, Cap & Hose Leak Detection - Ideal for Mechanics & DIY Car Maintenance -45% Off
Performance Tool W89736 Cooling System Pressure Tester Kit - Professional Automotive Diagnostic Tool for Radiator, Cap & Hose Leak Detection - Ideal for Mechanics & DIY Car Maintenance
$86.79 $157.81
UOEIDOSB 38A Digital LCD Voltage Tester Pen - Non-Contact AC/DC Auto-Range Detector with Phase Rotation & Continuity Test - Ideal for Electricians, DIY Home Repairs & Electrical Safety Checks -45% Off
UOEIDOSB 38A Digital LCD Voltage Tester Pen - Non-Contact AC/DC Auto-Range Detector with Phase Rotation & Continuity Test - Ideal for Electricians, DIY Home Repairs & Electrical Safety Checks
$85.8 $156
Digital Dissolved Oxygen Meter Analyzer - Portable Water Quality Tester with Temperature Sensor for Aquariums, Pools, and Hydroponics | Accurate DO Measurement for Aquatic Life Monitoring -45% Off
Digital Dissolved Oxygen Meter Analyzer - Portable Water Quality Tester with Temperature Sensor for Aquariums, Pools, and Hydroponics | Accurate DO Measurement for Aquatic Life Monitoring
$76.02 $138.22