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Portable Water Quality Tester with Backlight Display - Digital Dissolved Oxygen Meter for Aquariums, Pools, Aquaculture & Hydroponics | Handheld Device for Water Testing in Lakes, Ponds & Home Use -45% Off
Portable Water Quality Tester with Backlight Display - Digital Dissolved Oxygen Meter for Aquariums, Pools, Aquaculture & Hydroponics | Handheld Device for Water Testing in Lakes, Ponds & Home Use
$52.4 $95.28
TM-8818 Ultrasonic Thickness Gauge Probe Replacement - Compatible with TM-8818 Digital Wall Thickness Meter | High Precision Transducer for Industrial Pipe, Tank & Metal Thickness Measurement -45% Off
TM-8818 Ultrasonic Thickness Gauge Probe Replacement - Compatible with TM-8818 Digital Wall Thickness Meter | High Precision Transducer for Industrial Pipe, Tank & Metal Thickness Measurement
$46.75 $85
Digital Clamp Meter with LCD Display - 99 Groups Loop Resistance Tester for Telecommunications, Grounding & Electrical Safety Testing - Perfect for Electricians, Engineers & Telecom Professionals -45% Off
Digital Clamp Meter with LCD Display - 99 Groups Loop Resistance Tester for Telecommunications, Grounding & Electrical Safety Testing - Perfect for Electricians, Engineers & Telecom Professionals
$115.6 $210.19
12V Car & Motorcycle Battery Tester Analyzer - Digital CCA Capacity Load Tester, Cranking & Charge Test Tool for Auto, Truck, RV, Boat Batteries - Perfect for Mechanics & DIY Vehicle Maintenance -45% Off
12V Car & Motorcycle Battery Tester Analyzer - Digital CCA Capacity Load Tester, Cranking & Charge Test Tool for Auto, Truck, RV, Boat Batteries - Perfect for Mechanics & DIY Vehicle Maintenance
$176 $320
Leeb Hardness Tester D+15 Impact Device Kit - Portable Metal Hardness Measurement Tool for Grooves & Recessed Surfaces | Perfect for Industrial Quality Control & Metalworking -45% Off
Leeb Hardness Tester D+15 Impact Device Kit - Portable Metal Hardness Measurement Tool for Grooves & Recessed Surfaces | Perfect for Industrial Quality Control & Metalworking
$91.3 $166
Bluetooth Muzzle Velocity Chronograph - Shooting Speed Tester with LCD Display & Mobile App Sync for Free Fall (Zero Muzzle Velocity) Measurement - Perfect for Ballistics Testing, Airsoft, and Firearms Training -45% Off
Bluetooth Muzzle Velocity Chronograph - Shooting Speed Tester with LCD Display & Mobile App Sync for Free Fall (Zero Muzzle Velocity) Measurement - Perfect for Ballistics Testing, Airsoft, and Firearms Training
$133.52 $242.78
Klein Tools ET140 Moisture Meter & RT310 Outlet Tester Combo Kit - Professional Electrical Testing Tools for Home Inspection, HVAC, and DIY Projects -45% Off
Klein Tools ET140 Moisture Meter & RT310 Outlet Tester Combo Kit - Professional Electrical Testing Tools for Home Inspection, HVAC, and DIY Projects
$45.06 $81.94
HFBTE Digital Pen-Type Vibration Meter Analyzer - Portable Vibrometer Gauge Tester for Motor, Fan, Pump & Air Compressor Maintenance | Machine Tool Vibration Analysis & Fast Failure Detection | Ideal for Industrial Equipment Monitoring & Predictive Maintenance -45% Off
HFBTE Digital Pen-Type Vibration Meter Analyzer - Portable Vibrometer Gauge Tester for Motor, Fan, Pump & Air Compressor Maintenance | Machine Tool Vibration Analysis & Fast Failure Detection | Ideal for Industrial Equipment Monitoring & Predictive Maintenance
$164.45 $299
Vermont Certified Beer Tester - 16x24 Inch Premium Metal Wall Art, Aluminum Home Decor for Man Cave, Bar & Brewery - Gallery Quality Beer Lover Gift -45% Off
Vermont Certified Beer Tester - 16x24 Inch Premium Metal Wall Art, Aluminum Home Decor for Man Cave, Bar & Brewery - Gallery Quality Beer Lover Gift
$82.49 $149.99
5-in-1 Digital Water Quality Tester - High Precision TDS/EC/PH/Salinity/Temperature Meter for Pools, Drinking Water, Aquariums & Hydroponics | Multi-Function Water Testing Kit for Home, Lab & Outdoor Use -45% Off
5-in-1 Digital Water Quality Tester - High Precision TDS/EC/PH/Salinity/Temperature Meter for Pools, Drinking Water, Aquariums & Hydroponics | Multi-Function Water Testing Kit for Home, Lab & Outdoor Use
$52.18 $94.89
ASTM D3363 Pencil Hardness Tester Kit - 2 Test Loads & Complete Pencil Set in Durable Aluminum Case - Perfect for Paint, Coating, and Surface Hardness Testing in Industrial Labs -45% Off
ASTM D3363 Pencil Hardness Tester Kit - 2 Test Loads & Complete Pencil Set in Durable Aluminum Case - Perfect for Paint, Coating, and Surface Hardness Testing in Industrial Labs
$74.24 $134.99
Professional CO2 Detector & Air Quality Monitor - Carbon Dioxide, Temperature, Humidity, PM2.5 Tester with LCD Display for Home, Office, Greenhouse, and Indoor Air Quality Analysis -45% Off
Professional CO2 Detector & Air Quality Monitor - Carbon Dioxide, Temperature, Humidity, PM2.5 Tester with LCD Display for Home, Office, Greenhouse, and Indoor Air Quality Analysis
$74.24 $134.99
DY4300 Digital Ground Resistance Tester - 4-Terminal Soil Resistivity & Insulation Meter for Electrical Safety Testing (Perfect for Solar Panel Installations, Industrial Grounding Systems & Home Electrical Maintenance) -45% Off
DY4300 Digital Ground Resistance Tester - 4-Terminal Soil Resistivity & Insulation Meter for Electrical Safety Testing (Perfect for Solar Panel Installations, Industrial Grounding Systems & Home Electrical Maintenance)
$191.95 $349
**AquaDart Digital TDS Meter with LCD Screen - Accurate Water Quality Tester for Drinking, Aquariums, and Hydroponics (0-9990 ppm Range)** *(Use Cases: Perfect for testing tap water, filtered water, aquarium health, hydroponic nutrient levels, and ensuring safe drinking water.)* -45% Off
**AquaDart Digital TDS Meter with LCD Screen - Accurate Water Quality Tester for Drinking, Aquariums, and Hydroponics (0-9990 ppm Range)** *(Use Cases: Perfect for testing tap water, filtered water, aquarium health, hydroponic nutrient levels, and ensuring safe drinking water.)*
$164.45 $299
HHIP 8010-0019 Digital Refractometer for Synthetic Coolant Testing | 0-15% Brix Scale Solution Measurement | Ideal for Machining, Metalworking & Automotive Coolant Analysis -45% Off
HHIP 8010-0019 Digital Refractometer for Synthetic Coolant Testing | 0-15% Brix Scale Solution Measurement | Ideal for Machining, Metalworking & Automotive Coolant Analysis
$54.57 $99.23
KXA Meter Analyzer Tester Detector for Pasture, Rice Straw, Coconut, Hemp, Alfalfa & Leymus Chinensis - Digital Moisture & Nutrient Analyzer for Agricultural Crops & Animal Feed | Perfect for Farmers, Ranchers & Agricultural Researchers -45% Off
KXA Meter Analyzer Tester Detector for Pasture, Rice Straw, Coconut, Hemp, Alfalfa & Leymus Chinensis - Digital Moisture & Nutrient Analyzer for Agricultural Crops & Animal Feed | Perfect for Farmers, Ranchers & Agricultural Researchers
$113.63 $206.6
Digital Manifold Gauge HVAC Refrigeration Vacuum Pressure Temperature Tester - Professional AC Diagnostic Tool for HVAC Technicians (Ideal for Air Conditioning Repair, Refrigerant Charging & System Maintenance) -45% Off
Digital Manifold Gauge HVAC Refrigeration Vacuum Pressure Temperature Tester - Professional AC Diagnostic Tool for HVAC Technicians (Ideal for Air Conditioning Repair, Refrigerant Charging & System Maintenance)
$70.39 $127.99
ANCEL AD530 & BST200 12V Car Battery Tester - Digital Auto Battery Analyzer for Cars, Trucks, SUVs - Perfect for Home Mechanics & Professional Diagnostics -45% Off
ANCEL AD530 & BST200 12V Car Battery Tester - Digital Auto Battery Analyzer for Cars, Trucks, SUVs - Perfect for Home Mechanics & Professional Diagnostics
$49.49 $89.99
AUTO METER AC13 Replacement Plug-in Wall Transformer for Battery & Electrical System Tester - Power Supply for Car Diagnostics, Home Garage & Auto Repair Shops -45% Off
AUTO METER AC13 Replacement Plug-in Wall Transformer for Battery & Electrical System Tester - Power Supply for Car Diagnostics, Home Garage & Auto Repair Shops
$48.9 $88.91
5MHz Ultrasonic Thickness Gauge - Digital Handheld Thickness Tester for Steel, Copper, Metal & Aluminum | Perfect for Industrial Quality Control, Construction & Automotive Measurements -45% Off
5MHz Ultrasonic Thickness Gauge - Digital Handheld Thickness Tester for Steel, Copper, Metal & Aluminum | Perfect for Industrial Quality Control, Construction & Automotive Measurements
$94.28 $171.42
Copper Metallic Rockwell Hardness Test Blocks HRB 20-30HRB - Standard Reference Blocks for Hardness Testers | Perfect for Quality Control in Metalworking & Manufacturing Industries -45% Off
Copper Metallic Rockwell Hardness Test Blocks HRB 20-30HRB - Standard Reference Blocks for Hardness Testers | Perfect for Quality Control in Metalworking & Manufacturing Industries
$88 $160
KXA MEC-100 Digital LCD Capacitance Meter - High Precision Auto-Ranging Capacitor ESR Tester with Resistance Measurement for Electronics Repair and DIY Projects - Perfect for Testing Electrolytic Capacitors in Power Supplies, Circuit Boards, and Home Appliances -45% Off
KXA MEC-100 Digital LCD Capacitance Meter - High Precision Auto-Ranging Capacitor ESR Tester with Resistance Measurement for Electronics Repair and DIY Projects - Perfect for Testing Electrolytic Capacitors in Power Supplies, Circuit Boards, and Home Appliances
$79.7 $144.91
Hay Moisture Meter Tester - Digital Detector for Alfalfa, Pasture, Straw & Grass - Accurate Moisture Measurement for Farming, Forage & Animal Feed - Perfect for Agriculture, Livestock & Hay Storage -45% Off
Hay Moisture Meter Tester - Digital Detector for Alfalfa, Pasture, Straw & Grass - Accurate Moisture Measurement for Farming, Forage & Animal Feed - Perfect for Agriculture, Livestock & Hay Storage
$71.5 $130
EY800W 3rd Gen Solar Panel Multimeter - LCD Display Photovoltaic Panel Tester for Home & RV Solar Systems | Measure Voltage, Current & Power Output -45% Off
EY800W 3rd Gen Solar Panel Multimeter - LCD Display Photovoltaic Panel Tester for Home & RV Solar Systems | Measure Voltage, Current & Power Output
$56.85 $103.38
WHZ Digital pH Meter with Backlight - High Accuracy Water Tester for Aquariums, Swimming Pools, Hydroponics & Home Brewing | Measures pH Levels & Temperature | Durable Portable Acid/Alkali Analyzer -45% Off
WHZ Digital pH Meter with Backlight - High Accuracy Water Tester for Aquariums, Swimming Pools, Hydroponics & Home Brewing | Measures pH Levels & Temperature | Durable Portable Acid/Alkali Analyzer
$46.6 $84.74
CENTER-310 Digital Portable Humidity & Temperature Tester with Triple Display and PC Interface - Monitor Indoor/Outdoor Climate for Home, Lab, and Industrial Use -45% Off
CENTER-310 Digital Portable Humidity & Temperature Tester with Triple Display and PC Interface - Monitor Indoor/Outdoor Climate for Home, Lab, and Industrial Use
$97.9 $178
** -45% Off
**"Air Quality Monitor Indoor - AQI Dust Meter & Pollution Tester with PM2.5, TVOC, HCHO, CO2 Detection - Perfect for Home, Office, and Baby Room Safety"**
$98.99 $179.99
Ymiko 2-in-1 Digital pH & Hydrogen Water Tester | Accurate Water Quality Meter for Drinking Water, Pools, Aquariums, Fish Tanks & Hydroponics | Perfect for Home, Lab & Outdoor Water Testing -45% Off
Ymiko 2-in-1 Digital pH & Hydrogen Water Tester | Accurate Water Quality Meter for Drinking Water, Pools, Aquariums, Fish Tanks & Hydroponics | Perfect for Home, Lab & Outdoor Water Testing
$46.14 $83.9
Digital PH Meter - Portable Soil & Food PH Tester Pen for Fruits, Dough, Liquids | Accurate Home & Garden Water Quality Testing Tool for Hydroponics, Aquariums, Cooking & Baking -45% Off
Digital PH Meter - Portable Soil & Food PH Tester Pen for Fruits, Dough, Liquids | Accurate Home & Garden Water Quality Testing Tool for Hydroponics, Aquariums, Cooking & Baking
$68.74 $124.99
Hydraulic Pressure Test Kit - 60Mpa Portable Hydraulic Tester for Oil Systems | Durable & Accurate | Ideal for Industrial Maintenance, Automotive Repair & Hydraulic Equipment Testing -45% Off
Hydraulic Pressure Test Kit - 60Mpa Portable Hydraulic Tester for Oil Systems | Durable & Accurate | Ideal for Industrial Maintenance, Automotive Repair & Hydraulic Equipment Testing
$54.87 $99.77
ETCR2000+ Digital Clamp Meter - Ground Earth Resistance Tester 0.01-1200Ω for Electrical Safety Testing, Industrial Maintenance & Solar Panel Installation -45% Off
ETCR2000+ Digital Clamp Meter - Ground Earth Resistance Tester 0.01-1200Ω for Electrical Safety Testing, Industrial Maintenance & Solar Panel Installation
$206.72 $375.87
Digital pH Meter & ORP Tester - Water Quality Testing Kit for Swimming Pools, Aquariums, Hydroponics | Corrosion Resistant, Accurate Readings for Home & Lab Use -45% Off
Digital pH Meter & ORP Tester - Water Quality Testing Kit for Swimming Pools, Aquariums, Hydroponics | Corrosion Resistant, Accurate Readings for Home & Lab Use
$80.22 $145.86
ZKS-KS UA19B Digital Clamp Meter - 600A AC/DC Current Tester, Portable Multimeter for Voltage, Resistance, Continuity - Perfect for Electricians, HVAC Technicians & DIY Home Electrical Testing -45% Off
ZKS-KS UA19B Digital Clamp Meter - 600A AC/DC Current Tester, Portable Multimeter for Voltage, Resistance, Continuity - Perfect for Electricians, HVAC Technicians & DIY Home Electrical Testing
$45.52 $82.77
Hanna Instruments HI98301 DiST1 TDS Water Tester - 1 mg/L Resolution, 0.5 TDS Factor for Drinking Water, Aquariums & Hydroponics -45% Off
Hanna Instruments HI98301 DiST1 TDS Water Tester - 1 mg/L Resolution, 0.5 TDS Factor for Drinking Water, Aquariums & Hydroponics
$49.49 $89.99
EY800W Smart MPPT Solar Panel Multimeter - VOC Tester with LCD Display for Photovoltaic Systems | Perfect for Solar Panel Installation, Maintenance & Performance Testing -45% Off
EY800W Smart MPPT Solar Panel Multimeter - VOC Tester with LCD Display for Photovoltaic Systems | Perfect for Solar Panel Installation, Maintenance & Performance Testing
$60.49 $109.99
ATO Digital Insulation Resistance Tester - 100V/250V/500V/1000V Voltage Range | Portable Megohmmeter for Electrical Equipment Testing | Perfect for HVAC, Industrial Maintenance & Home Electrical Safety Checks -45% Off
ATO Digital Insulation Resistance Tester - 100V/250V/500V/1000V Voltage Range | Portable Megohmmeter for Electrical Equipment Testing | Perfect for HVAC, Industrial Maintenance & Home Electrical Safety Checks
$94.59 $171.99