No result found for your search.

Account

Home
Products
About Us
Contact Us
Login / Sign Up

0

No result found for your search.

Home
All Collections
Products

Filter

Availability

In stock (527)

Out of stock (515)

Price

$

— $

Product type

Air Dryer (1)

Air Quality Meters (36)

Analog Multimeter (1)

Anemometer (15)

Angle Finders (18)

Automotive Diagnosis Tester (7)

Battery Tester (7)

Blood Pressure & Heart Rate Monitor (6)

Body Fat Caliper (1)

Brake Fluid Tester (2)

Cable Testers (30)

Car / Vehicle Black Box Camera (1)

Car Data Saver (1)

Car Tools & Equipment (7)

Chelsea Filter (1)

Circuit Breaker Finder (3)

Clamp Meter (3)

CO2/CO Monitor/Tester/Logger (5)

Conductivity Meter (1)

Cover Plate (3)

Data Loggers (20)

Dental Loupes (8)

Depth Gauge (2)

Desktop LED Light (1)

Diamond / Moissanite Tester (1)

Diamond / Moissanite Testers (3)

Dichroscope (2)

Digital Microscope (4)

Digital Scale (4)

Distance Meter (24)

Egg Incubator (1)

Electronic Stethoscope (1)

EMF / RF / ELF / Solar / Gauss Meter (21)

Face & Skin Moisture Analyzer (1)

Fiber Microscope (2)

Fiber Optic Cleaner (1)

Fiber Optics Illuminator (3)

Fish Finder (38)

Flow (1)

Force Meter (1)

Frequency Counter (1)

GEM Identification Toolkit SET (4)

Gem Refractometers (4)

Gloss Meter (5)

GPS Receiver/Finder (1)

hardness tester (11)

Hardness Tester (4)

Health & Household Items (2)

Heart Rate Monitor (6)

Humidity / Temperature / Moisture Meter (2)

Humidity/Temperature/Moisture Meter (2)

Hygro-Thermometer (4)

Injector Tester (2)

Inspection Camera (65)

Inspection Camera Cable (1)

IR Thermometer (12)

Item Tracker (2)

Jeweller Loupes (37)

Leak Detector (17)

Lux / Light Meter (25)

Make-Up Mirror (1)

Manometer (8)

Microscope / Ring lights / Illuminator (10)

Moisture Meter (30)

Mosquito & Pest Repeller (6)

Multimeter (13)

Multimeters / Clamp Meters / Scopemeter (16)

Optional Accessories (15)

Optional CD & Cable (2)

Ozone Generator (7)

ph electrode (3)

pH Meters (5)

Phase Sequence (2)

Polariscope (3)

Power Monitor (4)

Radiation / Gamma Meter (8)

Rebound Hammer Tester (2)

Refractometer (35)

Shipping Cost (4)

Sound Level Meter (27)

Sound Level Meters (4)

Spectroscopes (3)

Stud Joist Wire Scanner Level Marker (6)

Surface Roughness Tester (5)

Tachometer (12)

Tension Tester (2)

Thermo-hygrometer (2)

Thermocouple (7)

Thermometer (59)

Thickness Meter (29)

Tint Meter (5)

Ultrasonic Cleaner (7)

Ultrasonic Flaw Detector (2)

Vibration Meter (10)

Watch Winder (4)

Water Quality Meters (107)

Water Test Kit (2)

Weather Station (32)

Whiteness Meter (2)

+ Show More - Show less

More filters

2.4 inch Monitor (23)

2.7 inch Monitor (4)

3.5 inch monitor (18)

40M (7)

60M (4)

100M (6)

110 Voltage (3)

220 Voltage (3)

10x Magnification (15)

20x Magnification (9)

30x Magnification (8)

AdBlue / Battery / Anti-freeze / Cleaning Fluid (9)

Automotive Multimeter (8)

Battery Tester (3)

Beer / Wine / Alcohol (6)

Blood Pressure Monitor (3)

Body Surface / Forehead Thermometer (9)

Brix (11)

CD Software & USB Cable (4)

Chlorine Meter (6)

Clamp Meters (7)

Clinical (3)

Clinical Thermometers (4)

CO2 (Carbon Dioxide) Meters (28)

CO2 Controller (3)

CO2 Monitor (3)

CO (Carbon Monoxide) Meters (8)

Concrete / Mortar / Lime Moisture (6)

Conductivity (EC) Meter (30)

Conductivity / EC / TDS / Chlorine Meter (6)

Cover Plates (3)

Darkfield Loupe (3)

Data Loggers (31)

Dental Loupes (7)

Diamond & Moissanite Testers (4)

Digital Microscope (5)

Digital Multimeter (19)

Dissolved Oxygen (DO) Meter (4)

Electrode (6)

Electrode (pH / ORP) (13)

EMF (7)

Fiber Optics Illuminator (3)

gainexpresswarrantybadge (809)

gainexpresswarrantybadgewaterquality (91)

Gas Leak Detector (9)

Gas/Radiation Leak Detector/Monitor (4)

Gauss Meter (3)

Geiger Counter (6)

Gem Refractometers (4)

Grain Moisture (5)

Hardness Tester (6)

HCHO (Formaldehyde) Testers (6)

Heart Rate Monitor (9)

Heat Stress Meter (4)

Hygro-Thermometer (4)

H₂S Monitor (3)

Infrared IR Thermometer (11)

IR Thermometers (22)

Kitchen Thermometer (4)

LED Ring Lights (6)

Leeb Hardness Tester (4)

Loupe Magnifier (39)

Lux Meter (5)

Manifold (3)

Mosquito / Pest Repellers (6)

Network | LAN | Wire Tone Tracker (14)

Optical Power Meter | Optical Light Source (3)

Optional Cables (5)

ORP Tester / Monitor (21)

Ozone Generator (5)

PAR Meter (6)

pH / ORP Controllers (8)

pH / TDS Meter (9)

pH Meter / Monitor (52)

pH Tester (10)

Power Monitor (5)

Salinity (7)

Salinity / Temp Tester (11)

Salinity Meter (16)

Soil pH / Moisture (15)

Solar Meter (4)

Sound Level Calibrator (4)

Sound Level Meter (13)

Spectroscope (4)

TDS Tester (25)

Thermo-hygrometer (21)

Thermocouple (23)

Thermometer (7)

Thickness Meter (27)

Tint Meter (4)

Ultrasonic Cleaner (7)

USB Type (5)

VOC (Volatile Organic Compound) Monitor (4)

Watch Winder (4)

Wifi Endoscope (5)

Wired + Wireless Sensor (6)

Wired Sensor (6)

Wireless Sensor (19)

Wood Moisture (14)

+ Show More - Show less

Availability

In stock (527)

Out of stock (515)

Price

$

— $

Product type

Air Dryer (1)

Air Quality Meters (36)

Analog Multimeter (1)

Anemometer (15)

Angle Finders (18)

Automotive Diagnosis Tester (7)

Battery Tester (7)

Blood Pressure & Heart Rate Monitor (6)

Body Fat Caliper (1)

Brake Fluid Tester (2)

Cable Testers (30)

Car / Vehicle Black Box Camera (1)

Car Data Saver (1)

Car Tools & Equipment (7)

Chelsea Filter (1)

Circuit Breaker Finder (3)

Clamp Meter (3)

CO2/CO Monitor/Tester/Logger (5)

Conductivity Meter (1)

Cover Plate (3)

Data Loggers (20)

Dental Loupes (8)

Depth Gauge (2)

Desktop LED Light (1)

Diamond / Moissanite Tester (1)

Diamond / Moissanite Testers (3)

Dichroscope (2)

Digital Microscope (4)

Digital Scale (4)

Distance Meter (24)

Egg Incubator (1)

Electronic Stethoscope (1)

EMF / RF / ELF / Solar / Gauss Meter (21)

Face & Skin Moisture Analyzer (1)

Fiber Microscope (2)

Fiber Optic Cleaner (1)

Fiber Optics Illuminator (3)

Fish Finder (38)

Flow (1)

Force Meter (1)

Frequency Counter (1)

GEM Identification Toolkit SET (4)

Gem Refractometers (4)

Gloss Meter (5)

GPS Receiver/Finder (1)

hardness tester (11)

Hardness Tester (4)

Health & Household Items (2)

Heart Rate Monitor (6)

Humidity / Temperature / Moisture Meter (2)

Humidity/Temperature/Moisture Meter (2)

Hygro-Thermometer (4)

Injector Tester (2)

Inspection Camera (65)

Inspection Camera Cable (1)

IR Thermometer (12)

Item Tracker (2)

Jeweller Loupes (37)

Leak Detector (17)

Lux / Light Meter (25)

Make-Up Mirror (1)

Manometer (8)

Microscope / Ring lights / Illuminator (10)

Moisture Meter (30)

Mosquito & Pest Repeller (6)

Multimeter (13)

Multimeters / Clamp Meters / Scopemeter (16)

Optional Accessories (15)

Optional CD & Cable (2)

Ozone Generator (7)

ph electrode (3)

pH Meters (5)

Phase Sequence (2)

Polariscope (3)

Power Monitor (4)

Radiation / Gamma Meter (8)

Rebound Hammer Tester (2)

Refractometer (35)

Shipping Cost (4)

Sound Level Meter (27)

Sound Level Meters (4)

Spectroscopes (3)

Stud Joist Wire Scanner Level Marker (6)

Surface Roughness Tester (5)

Tachometer (12)

Tension Tester (2)

Thermo-hygrometer (2)

Thermocouple (7)

Thermometer (59)

Thickness Meter (29)

Tint Meter (5)

Ultrasonic Cleaner (7)

Ultrasonic Flaw Detector (2)

Vibration Meter (10)

Watch Winder (4)

Water Quality Meters (107)

Water Test Kit (2)

Weather Station (32)

Whiteness Meter (2)

+ Show More - Show less

More filters

2.4 inch Monitor (23)

2.7 inch Monitor (4)

3.5 inch monitor (18)

40M (7)

60M (4)

100M (6)

110 Voltage (3)

220 Voltage (3)

10x Magnification (15)

20x Magnification (9)

30x Magnification (8)

AdBlue / Battery / Anti-freeze / Cleaning Fluid (9)

Automotive Multimeter (8)

Battery Tester (3)

Beer / Wine / Alcohol (6)

Blood Pressure Monitor (3)

Body Surface / Forehead Thermometer (9)

Brix (11)

CD Software & USB Cable (4)

Chlorine Meter (6)

Clamp Meters (7)

Clinical (3)

Clinical Thermometers (4)

CO2 (Carbon Dioxide) Meters (28)

CO2 Controller (3)

CO2 Monitor (3)

CO (Carbon Monoxide) Meters (8)

Concrete / Mortar / Lime Moisture (6)

Conductivity (EC) Meter (30)

Conductivity / EC / TDS / Chlorine Meter (6)

Cover Plates (3)

Darkfield Loupe (3)

Data Loggers (31)

Dental Loupes (7)

Diamond & Moissanite Testers (4)

Digital Microscope (5)

Digital Multimeter (19)

Dissolved Oxygen (DO) Meter (4)

Electrode (6)

Electrode (pH / ORP) (13)

EMF (7)

Fiber Optics Illuminator (3)

gainexpresswarrantybadge (809)

gainexpresswarrantybadgewaterquality (91)

Gas Leak Detector (9)

Gas/Radiation Leak Detector/Monitor (4)

Gauss Meter (3)

Geiger Counter (6)

Gem Refractometers (4)

Grain Moisture (5)

Hardness Tester (6)

HCHO (Formaldehyde) Testers (6)

Heart Rate Monitor (9)

Heat Stress Meter (4)

Hygro-Thermometer (4)

H₂S Monitor (3)

Infrared IR Thermometer (11)

IR Thermometers (22)

Kitchen Thermometer (4)

LED Ring Lights (6)

Leeb Hardness Tester (4)

Loupe Magnifier (39)

Lux Meter (5)

Manifold (3)

Mosquito / Pest Repellers (6)

Network | LAN | Wire Tone Tracker (14)

Optical Power Meter | Optical Light Source (3)

Optional Cables (5)

ORP Tester / Monitor (21)

Ozone Generator (5)

PAR Meter (6)

pH / ORP Controllers (8)

pH / TDS Meter (9)

pH Meter / Monitor (52)

pH Tester (10)

Power Monitor (5)

Salinity (7)

Salinity / Temp Tester (11)

Salinity Meter (16)

Soil pH / Moisture (15)

Solar Meter (4)

Sound Level Calibrator (4)

Sound Level Meter (13)

Spectroscope (4)

TDS Tester (25)

Thermo-hygrometer (21)

Thermocouple (23)

Thermometer (7)

Thickness Meter (27)

Tint Meter (4)

Ultrasonic Cleaner (7)

USB Type (5)

VOC (Volatile Organic Compound) Monitor (4)

Watch Winder (4)

Wifi Endoscope (5)

Wired + Wireless Sensor (6)

Wired Sensor (6)

Wireless Sensor (19)

Wood Moisture (14)

+ Show More - Show less

Products

Filter

Sort By

VID-9 2.4" LCD Video Inspection Borescope Endoscope 4 LED Lights

VID-9 2.4" LCD Video Inspection Borescope Endoscope 4 LED Lights

Sold out

(For Bulk Order Only)

VID-98A 7mm Camera Digital USB Video Inspection Borescope Endoscope

VID-98A 7mm Camera Digital USB Video Inspection Borescope Endoscope

Sold out

(For Bulk Order Only)

VID-9_2M Industrial 2.4" LCD Video Borescope Endoscope 4 LED Lights + 2 meter cable

VID-9_2M Industrial 2.4" LCD Video Borescope Endoscope 4 LED Lights + 2 meter cable

Sold out

(For Bulk Order Only)

VM-213 Digital Vibration Meter Tester Piezoelectric Sensor Measuring Acceleration, Velocity and Displacement for Machinery, Quality Control, Commissioning and Predictive Maintenance Purposes

VM-213 Digital Vibration Meter Tester Piezoelectric Sensor Measuring Acceleration, Velocity and Displacement for Machinery, Quality Control, Commissioning and Predictive Maintenance Purposes

$279.90 USD

VM-6360 Digital Vibration Meter with LCD , Gauge Tester Analyzer

VM-6360 Digital Vibration Meter with LCD , Gauge Tester Analyzer

$287.90 USD

VM-6370 Vibration Meter Piezoelectric Sensor Displacement Velocity Acceleration 10Hz~10kHz Range

VM-6370 Vibration Meter Piezoelectric Sensor Displacement Velocity Acceleration 10Hz~10kHz Range

$328.90 USD

VM-6370T Vibration Tachometer Meter Piezoelectric Sensor Contact Photo Rotation Rate Tester Vibrometer, RPM (r/min) Frequency Hz Rotating Machinery Imbalance Velocity Acceleration Displacement

VM-6370T Vibration Tachometer Meter Piezoelectric Sensor Contact Photo Rotation Rate Tester Vibrometer, RPM (r/min) Frequency Hz Rotating Machinery Imbalance Velocity Acceleration Displacement

$344.90 USD

VM-6380 Digital 3-Axis Vibration Meter Piezoelectric Sensor Displacement Velocity Acceleration

VM-6380 Digital 3-Axis Vibration Meter Piezoelectric Sensor Displacement Velocity Acceleration

$461.90 USD

VM-6380-3 Landtek Multi Channel Vibration Meter, Piezoelectric Sensor Transducer 10Hz~10kHz Frequency, Digital Velocity Acceleration Displacement Measurement Gauge

VM-6380-3 Landtek Multi Channel Vibration Meter, Piezoelectric Sensor Transducer 10Hz~10kHz Frequency, Digital Velocity Acceleration Displacement Measurement Gauge

$620.90 USD

VM63A Handheld Digital Vibration Sensor Meter Tester Vibrometer Analyzer Acceleration Velocity Displacement

VM63A Handheld Digital Vibration Sensor Meter Tester Vibrometer Analyzer Acceleration Velocity Displacement

$179.90 USD

VMC-606 Vibration Calibrator Sensors Meter Tester Calibration, Handheld Shaker Calibrate Checking of Accelerometer Vibration System Machinery Health R&D

VMC-606 Vibration Calibrator Sensors Meter Tester Calibration, Handheld Shaker Calibrate Checking of Accelerometer Vibration System Machinery Health R&D

$521.90 USD

VOC-21 VOC Monitor Tester Indoor Air Quality IAQ Meter Detector 0~50ppm- Temperature, Humidity, Air Contaminants Measure Tester for Home Type Indoor Offices Bedrooms

-11%

VOC-21 VOC Monitor Tester Indoor Air Quality IAQ Meter Detector 0~50ppm- Temperature, Humidity, Air Contaminants Measure Tester for Home Type Indoor Offices Bedrooms

Sold out

(For Bulk Order Only)

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

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

$494.90 USD

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

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

Sold out

(For Bulk Order Only)

WEA-289 Digital Wireless Weather Station Indoor Outdoor Thermometer Hygrometer with Alarm Clock, Color Large Display Temperature Monitor with Calendar and Backlight

WEA-289 Digital Wireless Weather Station Indoor Outdoor Thermometer Hygrometer with Alarm Clock, Color Large Display Temperature Monitor with Calendar and Backlight

Sold out

(For Bulk Order Only)

WEA-46 Digital Weather Station with Thermometer and Hygrometer 3 Indoor/ Outdoor Wireless Sensors, Alarm Clock for Temperature and Humidity measurement

WEA-46 Digital Weather Station with Thermometer and Hygrometer 3 Indoor/ Outdoor Wireless Sensors, Alarm Clock for Temperature and Humidity measurement

Sold out

(For Bulk Order Only)

WEA-47_EU Digital Weather Station RCC DCF with 3 Indoor/ Outdoor Wireless Sensors, with 6 kinds of Weather Forecast, Thermometer and Hygrometer, with Alarm Clock for Temperature and Humidity measurement, Low battery for Colored LED on LCD Display

WEA-47_EU Digital Weather Station RCC DCF with 3 Indoor/ Outdoor Wireless Sensors, with 6 kinds of Weather Forecast, Thermometer and Hygrometer, with Alarm Clock for Temperature and Humidity measurement, Low battery for Colored LED on LCD Display

Sold out

(For Bulk Order Only)

WEA-47_UK Digital Weather Station RCC MSF with 3 Indoor/ Outdoor Wireless Sensors, with 6 kinds of Weather Forecast, Thermometer and Hygrometer, with Alarm Clock for Temperature and Humidity measurement, Low battery for Colored’ LED on LCD Display

WEA-47_UK Digital Weather Station RCC MSF with 3 Indoor/ Outdoor Wireless Sensors, with 6 kinds of Weather Forecast, Thermometer and Hygrometer, with Alarm Clock for Temperature and Humidity measurement, Low battery for Colored’ LED on LCD Display

Sold out

(For Bulk Order Only)

White Noise Machine for Sleeping Baby Kids – Portable Sound Machine with Night Light, USB Rechargeable, 34 Soothing Noises, Auto-Off Timer, Sleep Machine for Adults Babies Lullaby Travel Home

White Noise Machine for Sleeping Baby Kids – Portable Sound Machine with Night Light, USB Rechargeable, 34 Soothing Noises, Auto-Off Timer, Sleep Machine for Adults Babies Lullaby Travel Home

$47.90 USD

WKD90 1.25" 90-Degree Diagonal Adapter Erect Image Zenith Mirror Prism Metal and Plastic for Refracting Telescope Eyepiece Lens

WKD90 1.25" 90-Degree Diagonal Adapter Erect Image Zenith Mirror Prism Metal and Plastic for Refracting Telescope Eyepiece Lens

Sold out

(For Bulk Order Only)

Previous
1
…
47
48
49
50
51
52
Next

Showing 961 - 980 of 1035 items

Subscribe to Our Newsletter

Be the first to know about special offers and discounts!

Gain Express Holdings Ltd.

Office Address

Room 10, 8F, Block B
Merit Industrial Centre
94 To Kwa Wan Rd., To Kwa Wan
Kowloon, Hong Kong

Email Address

info@gainexpress.com

Phone Number (Hong Kong)

(+852) 2362 7800 / 2365 6735

Phone Number (US)

(+1) 347 305 4263

Phone Number (UK)

(+44) 020 3286 9086

WhatsApp

(+852) 5446 6952

Business Hours

Monday to Saturday
10:00 AM - 7:00 PM HKT (GMT+8)

Our Company

About Us
Dropshipping Program
Estimated Delivery Time
Frequently Asked Questions
Latest News
Our Happy Buyers
Privacy Policy
Return, Refund & Warranty Policy
Shipping Policy
Wholesale Website

Customer Support

Bulk Order Form
Contact Us
Dropshipping Form
Login / Sign Up for an Account
Order Withdrawal Form (EU)
Warranty Extension Request

© 2026 Gain Express. All Rights Reserved

Product successfully added to your Shopping Cart

Continue shopping View cart