Best Selling

837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater

REW-80ATC Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Homebrew

T91 Gauss EMF ELF Meter Detector Electromagnetic Field mG

N03NF-838 Network Cable Tester RJ45 RJ11 BNC 1394 Line Phone Wire Tracker

MC-7825G Digital Moisture Meter for wide range of grains

88163 Digital Waterproof USB Datalogger Humidity Temperature and Pressure Barometric Data Logger gauge, generate PDF/Excel report LED indicator

GEM-248 20x Loupe 21mm Optical Glass Magnifier 6 LED Light & UV Light Mini Magnification Jeweller Black Frame Triplet Lens Jeweler Mechanics Photographer Hobbyist Coin Collector Arts & Crafts Machinist

GEM-247 15x 21mm Optic Glass Loupe 6 LED & UV Light Magnifier Jeweler Foldaway Pocket Black Frame Triplet Lens Magnifying Gem Jeweler Mechanics Photographer Hobbyist Watchmaker

REB-10ATC 0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions Accuracy 0.1% Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea

HTM-49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet-bulb Temperature range -20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight

E04-036 Automotive Car Repair Diagnostic Tool Cable Circuit Wire Tracker Short Open Finder Tester Checker Device

WTM-1000 Digital Window Tint Meter Light Transmittance Glass

CLMG-7206 Handheld 55mm Durable Small Diffraction Spectroscope Gem Stone Jeweler Tool Aluminum Material

TM-197 AC / DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer 3000mT (30000 Gauss)

REA-200ATC 3-in-1 Automotive Battery Antifreeze Refractometer, -60~0°C Ethylene/ -50~0°C Propylene Glycol/ 1.100-1.400 Battery Fluids Specific Gravity, Battery Charge Test Cooling System Coolant Freezing Point

MSC-208 Cold LED Dual Gooseneck Lights Microscope Illuminator with Dimmer, 6500K, Adjustable Brightness 100V~240V

PH869-2 Pen type 12cm Probe pH Temperature Digital Meter 14.00 pH Pool Aquarium Water Quality Tester

SLM-24 Professional Sound Level Meter with Backlit Display High Accuracy Measuring 30dB-130dB Compact Instrument

PHM-245 PH & Temperature 2-in-1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa

HTM-238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor