#gain express

2-in-1 Chlorine & PH Meter Swimming Pool Tester, CL2 Level Meter Test Spa Water Quality Analysis Monitoring Monitor Analyzer, Handheld Portable

2 in 1 Digital Tachometer, Contact/Non-Contact Photo Tachometer RPM Tach Meter 2.5-99, 999 RPM Accuracy with Linear and Rotation Speed Measurement Wheels

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

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

Instruments Ultrasonic Digital Thickness Meter Brass Cast Iron Aluminum

Instruments Digital Sound Level Meter with Software

Instruments Professional Digital Sound Level Meter 30 to 130db with Bluetooth

Instruments USB Cable with 2.5mm Diameter Jack and RS232 CD Software

0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa

Instruments Paint Coating Thickness Meter Gauge with F and NF Probes

Gain Express Instruments Paint Coating Thickness Meter Gauge with F and NF Probes

Gain Express Digital pH Monitor Meter ATC 0 14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Mini Portable

0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa

Clinical Refractometer with ATC, Tri Scale Serum Protein/Urine Specific Gravity/Refractive Index

Handheld Digital Humidity & Temperature Meter 0 100 RH/ -30 70 C LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor

Body Fat Caliper Skinfold Caliper Professional Skin Thickness Fat Measure Body Fat Tester, Body Fat Monitors for Health Monitoring Handheld BMI Body Fat Measurement Device

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 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

Manometer Gauge, Digital Air Pressure Meter Differential Air Pressure Gauge Dual Port HVAC Gas Pressure Tester Handheld Portable Tool

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

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

GAIN EXPRESS Decibel Meter Digital Sound Level Meter Professional LCD Sound Noise Meter with 30dB to 130dB A/C Frequency Weighting, for Indoor and Outdoor Measurement

Gain Express Digital Light Meter Lux Meter Measurement Range Detachable Sensor 0 to 200, 000 Lux Min/Max/Avg Functions + CD Software w/USB Power Cable

WA-60A Landtek Water Activity Meter Food Water Activity Measurement Portable Digital Tester

Gain Express Landtek Instruments Window Tint Meter Visual Light Transmission 18mm Digital Tester

Digital 18mm Thickness Window Tint Meter 100 Range Glass Plastic Visual Light Transmission with Sensor

Pentype TDS/Salinity/Temperature Tester Water Quality Meter ATC Multiple Units Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

Pentype 2-in-1 TDS/EC Meter with ATC Digital Water Quality Tester Temperature Measurement for Water Analysis Hydroponics Aquaculture

5 in 1 Ph Temperature Conductivity TDS Salt Combo Pen Type Salinity Meter

Landtek Instruments Digital Vibration Meter Gauge Tester Analyzer

Gain Express 3-in-1 Honey Refractometer Brix/Moisture/Baume Tester Meter ATC, Tri-Scale 58-90 /12-27 /38-43Be', Sugar Water Content Level Beekeeping Maple Syrup, Test Kit w/Calibration Oil & Block

Gain Express Illuminated Diamond Tester

Dual Scale Salinity Refractometer ATC 0-100ppt & 1.000-1.070 Specific Gravity, Portable Meter Tester for Seawater Salt Sea Water Aquarium Brackish Reef Tank Marine

Portable Digital Grain Moisture Meter, Compact High Quality Rice Corn Wheat Tester Analyzer- Range 5 30 , Temperature -14 140 F with LCD Display, Hygrometer Humidity

Digital EMF Tester Electric and Magnetic Field Radiation Detector Temperature Measure with Color-Screen Display and Rechargeable Battery Handheld Tool

2 in 1 Non-contact Digital Tachometer Gauge Auto Ranging 0.5 99, 999 RPM Range Meter Speed Tester

Gain Express ORP Redox Meter Tester -1999 1999mV, 1-Point Calibration, Oxidation Reduction Potential

High Accuracy pH Electrode with Calibration Powder, 0-14 pH Probe with BNC Connector & 300cm Cable for Wide Application

Digital Salinity & Temperature Meter with ATC, Handheld Pen Type Water Quality Measurement Monitor Tester, 0 70 PPT, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing

360 Digital Long Level Inclinometer Angle Finder Ruler Protractor 42cm with Magnets/ Backlight/ Vertical & Horizontal Spirit Bubble for Construction Carpenter Craftsman Renovation Home Professional

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

Gain Express Professional Digital Large LCD Dissolved Oxygen DO Meter Water Quality Tester with ATC 99 Memory Function

Gain Express Pocket Diffraction Grating Gemological Spectroscope for Quick Gemstone Identification and GIA Use

15x 21mm Optic Glass Loupe 6 LED & UV Magnifier Jeweler Foldaway Pocket Black Frame Triplet Lens Magnifying Gem Jeweler

Alcohol Refractometer with ATC 0 80 VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Making Homebrew

GAIN EXPRESS Fiber Optical Cable Inspection Handheld Microscope Include 2.5mm Adaptor and 1.25mm Adaptor 400x Magnification

Digital Indoor Air Quality 9999ppm Temperature Humidity NDIR Sensor Carbon Dioxide CO2 Wet Bulb Dew Point CO2 Air Monitor Tester Indoor Air Quality Diagnosis

2 in 1 pH ORP Redox Controller Monitor w/Output Power Relay Control Water Quality Meter Electrode Probe BNC & Continuous Measurement Kit for Aquarium Hydroponics Plant Pool Spa