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Best Selling Products | Shop Now
Best Selling Products | Shop Now

Best Selling
ZD - 06 Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe Waterproof Soil Tester Kit Tools, for Indoor & Outdoor Gardens Plants Flowers Farming - Gain Express
ZD-06 Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe Waterproof Soil Tester Kit Tools, for Indoor & Outdoor Gardens Plants Flowers Farming
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DMT - 3 DMT - 3 High Accuracy Professional Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Test Tool Selection Factory Calibrated Meter Identifier Device - Gain Express
DMT-3 High Accuracy Professional Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Test Tool Selection Factory Calibrated Meter Identifier Device
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M0199720 M0199720 6 - in - 1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature - Gain Express
M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature
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FFW - 718 FFW - 718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle - Gain Express
FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle
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CLMG - 7173_LED CLMG - 7173_LED Magnifier Scale Loupe 10x Magnification 8 LED Light 20mm Scale Chart & 25mm Field of View - Gain Express
CLMG-7173_LED Magnifier Scale Loupe 10x Magnification 8 LED Light 20mm Scale Chart & 25mm Field of View
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836 - 1 836 - 1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC - Gain Express
836-1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC
For Bulk Order Only. Please Contact Us.
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88598 88598 Digital 4 Channels K - type Thermocouple Thermometer SD Card Logger High / Low Alarm Big LCD Display - Gain Express
88598 Digital 4 Channels K-type Thermocouple Thermometer SD Card Logger High / Low Alarm Big LCD Display
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560 - 10A 560 - 10A Shore A Digital Hardness Meter Durometer 0~100HA, Rubber Tire with LCD Display Pocket Size Tester - Gain Express
560-10A Shore A Digital Hardness Meter Durometer 0~100HA, Rubber Tire with LCD Display Pocket Size Tester
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SLM - 25 Sound Level Meter with Backlit Display High Accuracy Measuring 30dB~130dB with Data Logging Function Instrument Compact Professional - Gain Express
SLM-25 Sound Level Meter with Backlit Display High Accuracy Measuring 30dB~130dB with Data Logging Function Instrument Compact Professional
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E - 1325M E - 1325M 0 - 14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa - Gain Express
E-1325M 0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa
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868 - 5 868 - 5 Waterproof pH meter with Temperature + Auto Calibration - Gain Express
868-5 Waterproof pH meter with Temperature + Auto Calibration
For Bulk Order Only. Please Contact Us.
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AG - 82413B AG - 82413B Digital Protractor Angle Finder Level Inclinometer Magnetic V - Groove 0~360 with Backlight IP65 - Gain Express
AG-82413B Digital Protractor Angle Finder Level Inclinometer Magnetic V-Groove 0~360 with Backlight IP65
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8403 8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement - Gain Express
8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement
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7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger - Gain Express
7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger
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OZX - 300AT O3 Generator w/ Built - in Air Pump Timer, Ozone Output 500mg/hr - Gain Express
OZX-300AT O3 Generator w/ Built-in Air Pump Timer, Ozone Output 500mg/hr
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New Products
PHC-493 PH / EC /Temp Meter Smart Acidity & Conductivity Range Controller Monitoring and Dosing in Water pH Meter
PHC-493 PH / EC /Temp Meter Smart Acidity & Conductivity Range Controller Monitoring and Dosing in Water pH Meter Conductivity Temp Tester App Remote Online Monitor for Swimming Pool Aquaculture Fishpond
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INC-501 Egg Incubator with Automatic Egg Turning Temperature Control Candler Humidity Display 8~18 Eggs Chicken Embryo
INC-501 Egg Incubator with Automatic Egg Turning, Temperature Control, Candler, Humidity Display, 8~18 Eggs Chicken Embryo Incubator for Hatching Chicken, Duck, Bird, Quail, Goose, and Turkey Embryos
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THE-494 Mobile Infrared Thermal Imager - Smart Thermal Imaging & Temperature Measurement Android Type C Mobile Phone
THE-494 Mobile Infrared Thermal Imager - Smart Thermal Imaging & Temperature Measurement Android Type C Mobile Phone Photo Video Capture Camera Thermometer
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LUX-485 Bluetooth Light Lux Meter with Data Logging Function 0.1~200000LUX / 0.01~20000FC Visible Brightness
LUX-485 Bluetooth Light Lux Meter with Data Logging Function 0.1~200000LUX / 0.01~20000FC Visible Brightness Measurement High Precision Light Sensor Illuminance Tester
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HTM-482 Multi-Function Environmental Meter Thermo-Hygrometer Datalogging Temperature Humidity and Wet Bulb Dew Point
HTM-482 Multi-Function Environmental Meter Thermo-Hygrometer Datalogging Temperature, Humidity and Wet Bulb Dew Point Measurement PC Connection Feature Record and Download
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PAR-499 Digital PAR DLI Meter Datalogger Plant Light Meter for Growers Measures PAR & Daily Light Integral (400-700nm)
PAR-499 Digital PAR DLI Meter Datalogger Plant Light Meter for Growers, Measures PAR & Daily Light Integral (400-700nm) Photosynthetic Light, Ideal for Hydroponics, Greenhouses & Indoor Gardening
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ANE-486 Digital Air Velocity Meter High Precision Anemometer 0.3~30.0m/s km/h ft/m mile/h knots Units with Air
ANE-486 Digital Air Velocity Meter High Precision Anemometer 0.3~30.0m/s, km/h, ft/m, mile/h, knots Units with Air Temperature Measurement
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LUX-484 Lux Light Meter for Visible Brightness Measurement with 0.1~200000LUX / 0.01~20000FC Range Ideal for Warehouses
LUX-484 Lux Light Meter for Visible Brightness Measurement with 0.1~200000LUX / 0.01~20000FC Range Ideal for Warehouses, Factories, Hospitals, and Schools
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HTM-483 Handheld Thermo-Hygrometer Ambient Temperature and Relative Humidity High Precision Measurement
HTM-483 Handheld Thermo-Hygrometer Ambient Temperature and Relative Humidity High Precision Measurement
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Mini Pro Series OTDR: Compact and Multifunctional Fiber Optic Tester OPM LS VFL RJ45 Cable Tracking for FTTX Network
Mini Pro Series OTDR: Compact and Multifunctional Fiber Optic Tester OPM, LS, VFL, RJ45 Cable Tracking for FTTX, Network Construction, etc.
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Portable Spectral Illuminance Meter Light Lux Tester with Spectral Sensor Measuring CRI CCT Blue Light UV Index
LUX-510 Portable Spectral Illuminance Meter Light Lux Tester with Spectral Sensor Measuring CRI, CCT, Blue Light, UV Index, Temperature, Humidity
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Professional 8-in-1 Fiber Optic Tester Multifunctional OTDR for FTTx and Network Maintenance 3.5-inch Display Screen
Professional 8-in-1 Fiber Optic Tester Multifunctional OTDR for FTTx and Network Maintenance 3.5-inch Display Screen, Rechargeable, 600 Internal Storage
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Gem-463 Portable 10X Darkfield Loupe Polariscope Gemology Magnifier Gemstone Tester 20.5Mm Lens
GEM-463 Portable 10x Darkfield Loupe Polariscope Gemology Magnifier Gemstone Tester 20.5mm Lens Viewing Diameter
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Gem-462 Dual Magnification Jewelry Loupe 10X And 25X Magnifier With 21Mm 8Mm Lens Diameter Jeweller
GEM-462 Dual Magnification Jewelry Loupe 10X and 25X Magnifier Loupe with 21mm and 8mm Lens Diameter
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Gem-461 Focusing Prism Spectroscope For Gemstone Analysis Adjustable Focus 400-700Nm Wavelength
GEM-461 Focusing Prism Spectroscope for Gemstone Analysis Adjustable Focus, 400-700nm Wavelength Range, Durable Aluminum Design for Jeweler, Gemologist Testing Tool
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Fish Finders

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FFW - 335_EU FFW - 335 Fish Finder Wireless Sonar Sensor 125kHz Frequency 45 Meters / 147 Feet Depth Alarm Function and Large LCD Display - Gain Express
FFW-335 Fish Finder Wireless Sonar Sensor 125kHz Frequency 45 Meters / 147 Feet Depth Alarm Function and Large LCD Display
$96.90 USD
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FF - 180PR FF - 180PR LUCKY Underwater Camera Fish Locator Finder 120° Wide Angle 20M Cable Length 4 IR LED 4.3" Display Video Photo Capture Rechargeable - Gain Express
FF-180PR LUCKY Underwater Camera Fish Locator Finder 120° Wide Angle 20M Cable Length 4 IR LED 4.3" Display Video Photo Capture Rechargeable
$130.90 USD
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FF - 180AR FF - 180AR LUCKY Underwater Camera Fish Locator Finder Sun - Visor Liftable Protective Cover, 120° Wide Angle 20M Cable Length 4 IR LED 4.3" Display Video & Photo Capture Rechargeable - Gain Express
FF-180AR LUCKY Underwater Camera Fish Locator Finder Sun-Visor Liftable Protective Cover, 120° Wide Angle 20M Cable Length 4 IR LED 4.3" Display Video & Photo Capture Rechargeable
$112.90 USD
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FF - 218TPA FF - 218TPA LUCKY Fish Finder Color Display Fishfinder Fishing Locator, Wireless Sonar Sensor 45m (147.6ft) Depth Range, Shallow Slop Raft Ice Mode Air & Water Temperature Air Pressure - Gain Express
FF-218TPA LUCKY Fish Finder Color Display Fishfinder Fishing Locator, Wireless Sonar Sensor 45m (147.6ft) Depth Range, Shallow Slop Raft Ice Mode Air & Water Temperature Air Pressure
For Bulk Order Only. Please Contact Us.
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Testimonials

I am very excited to try this meter out. It has such an affordable price for a data logging meter. Gain Express Customer Service has been fantastic - very punctual and responsive. Thank you Gain Express!

Haralami S.

I purchased some items from Gain Express and they gave me a quick delivery. Thank you very much for your best service.

BSCS Science Learning

It was really awesome service your company provides, especially your customer care department. They respond very quickly about any query. 

Godin A.