GAIN EXPRESS best sellers

GAIN EXPRESS 10 x 21mm Mini Folding Illuminated Loupe Jewelry Magnifier Pocket with LED Light, for Gems Jewelry Jewelers Eye Rocks Stamps Coins Watches Hobbies Antiques Gems

GAIN EXPRESS CO2 Meter Air Quality Monitor Handheld CO2 Monitor 0~9999ppm Measurement Carbon Dioxide Temperature Humidity Detector NDIR Sensor Indoor Outdoor Air Quality Tester

Gain Express Compact Pocket Size Digital Shore A Hardness Meter Tester 1-100ha Durometer LCD Display

GAIN EXPRESS Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement Accuracy Check

GAIN EXPRESS Sound Level Calibrator Decibel Meter Sound Level Reader Sonometro Decibel Meter Calibrator 94db & 114db Output Levels For 1 Inch And 1/2 Inch Mic

GAIN EXPRESS Digital 2 Channels K-Type Thermometer w/ 4 Thermocouples (Wired & Stainless Steel), -50~1300°C (-58~2372°F) Handheld Desktop High Temperature Kelvin Scale Dual Measurement Meter Sensor

GAIN EXPRESS Quantum Sensor PAR Meter Full-Spectrum PPFD Tester for Accurate Light Measurement Indoor and Outdoor Plant Photosynthetic Activity Light Lux Meter

GAIN EXPRESS Professional Sound Level Calibrator Decibel Meter Calibrator with Three Calibration Level at 94dB & 104dB & 114dB

GAIN EXPRESS Professional Sound Level Meter with Backlight Display High Accuracy Measuring 30dB-130dB

GAIN EXPRESS Digital 4 Channel Thermocouple Thermometer Temperature Recorder Data Logger AZ Instruments Multi Channel K Type Thermometer Thermocouple Reader with 8G SD Card 2 Bead Type K-Thermocouple Probe

GAIN EXPRESS Shore D Hardness Tester Meter Portable 0-100HD Digital Durometer D for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling Ball with Large LCD Display

GAIN EXPRESS CO2 Controller Carbon Dioxide Controller CO2 Meter Monitor with Relay Function 4.5m Cable NDIR Carbon Dioxide Sensor Probe for Grow Room, Plant, Grow Tent, Greenhouse, Garden, Indoor

GAIN EXPRESS Automotive Electrical Open&Short Finder Circuit Tester Circuit Finder Detector Tone Generator Cable Wire Breaker Tracker Circuit Fault Finder DC 6-42V Car Diagnostic Tool

GAIN EXPRESS 10X Illuminated Jewelers Loupe Magnifier with Interchangeable Reticle Scale, LED Light, 25mm Field of View, for Jewelry,Gems, Coins, Hobby Tool (1 Glass Scale Chart)

GAIN EXPRESS K/J Type Thermocouple Dual Channel Thermometer, T1-T2 Channel Temperature Measurement Wide Range Digital Thermometer with Backlight and Thermocouple Temperature Compensation

GAIN EXPRESS Soil PH Meter, Soil Moisture Sensor Meter, Soil PH Tester Gardening Tool Kits for Plant, Tree, Soil Tester for Moisture Great for Garden, Lawn, Farm, Indoor & Outdoor Use 295mm Long

GAIN EXPRESS USB Temperature Data Logger Recorder for Temperature Humidity and Atmospheric Pressure, IP65 Waterproof Temperature Logger with PDF and CSV Reports High Accuracy

GAIN EXPRESS AC/DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer Residual Permanent Magnet N/S Polarity 3000mT (30000 Gauss) Automatic Manual Data Recording

GAIN EXPRESS Decibel Meter Digital Sound Level Meter Professional Noise Meter High Accuracy 30dB to130dB Measuring Range with Backlight Display for Classroom, Office, Home, etc.

GAIN EXPRESS Digital Car Window Tint Meter Portable Solar Tester Meter Visual Light Transmission Tester Filmed Glass Tester UV IR Rejection Meter Spectrum Tester