Best Selling

REB-32ATC 0-32% Brix Refractometer ATC High-Concentrated Sugar Solution Content Test Tool 0.2% Division, Homebrew Tester Meter, Brandy Beer Fruits Vegetables Juices Soft Drinks

REA-503cATC 5-in-1 Automotive Battery Antifreeze Refractometer ATC for Specific Gravity, Ethylene Propylene Glycol System & Windshield Screenwash Fluid, Freezing Point Measurement Tester Meter Coolant Condition

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

PHM-203 Chlorine Tester, PH & Chlorine Cl2 Level Meter Tester Test Monitor Swimming Pool Spa Water monitor Quality Analysis

AG-82302 Digital Angle Finder / Protractor Tool with Spirit Level 0 ~ 360° Measuring Range 0.1° Accuracy

SQM-255G Soil Moisture Meter Tester Probe Sensor (Green), Gardening Plants Growth Watering Quality Monitoring Test Tool Kits for Garden Farm Lawn Household Indoor Outdoor

7755_CD_ADAPTOR Carbon Dioxide (CO2) RH & Temperature Real-Time Air Quality Monitor with PC Software Recording Analyzer

RES-28ATC Salinity Refractometer 0-28% ATC, Sodium Chloride (NaCl) Salt Level Meter Tester, Test Kit for Sea Water Brine Seawater Food Industry Pickle Soy Sauce, ±0.2% Accuracy

CLMG-7205 Pocket Diffraction Grating Gemological Spectroscope Gem Stone Jeweller Tool with Pouch

ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester

HM-6561 Portable Digital Rebound Leeb Hardness Tester Gauge Meter

FF-1108-1CWLA Lucky Wireless Fish Finder with Fish Attractive Light Lamp & Color LCD, Portable Rechargeable Fishfinder Locator, 45M Depth 60M Sonar Sensor Transducer Range for Boats Kayak Ice Night Fishing

REB-32SGATC Beer Brix & Specific Gravity Refractometer with ATC Optic Dual Scale 0~32% Brix 1.000-1.130 SG Wine Wort Making Beer Brewing Fruit Juice Hops Sugar Homebrew Kit

REBS-28ATC 2-in-1 Brix Salinity Refractometer Dual Scale 0-32% Brix & 0-28% Salinity with ATC Sodium Chloride in Food Salt Seawater Brine Beer fruits Cutting Liquid

REC-200ATC Tri Scale Clinical Refractometer with ATC 0~12g/100ml Serum protein, 1~1.050, 1.333 ~ 1.360 RI for Human Urine, Serum or Plasma

AGF-201 Digital Protractor Angle Gauge Finder Bevel Box Inclinometer Level Meter Magnetic Base

THE-27 Digital Thermometer 4 Channel K-Type Thermocouples with K-Type Metal & Bead Probe , Thermometer , Backlight , Temperature Instrument , -50 ~ 1350 °C (-58 ~ 2462 °F)

E04-039 Automotive Fuel Injection Pump Injector Tester 12V Car Vehicle Diagnostic Tool 4 Modes

REA-503EATC Automotive Refractometer, Ethylene glycol: -60~0°C and 0~100%, Battery Fluid 1.10~1.40kg/l

WEA-288 Digital Wireless Weather Station Indoor Outdoor Temperature and Humidity Measure Hygrometer 3 Sensor, °C/°F Black LED Light Display, Alarm Clock Function