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Gain Express Holdings Ltd

Gain Express Holdings Ltd

146K items sold
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Best Sellers

  • GM Geiger Counter X-Ray β γ Nuclear Radiation Detector Dosimeter Monitor Tester

    $82.90

  • Light Meter Portable PAR Meter Quantum For Grow Light Recording LUX Meter Gauge

    $139.99

  • Digital Sound Level Meter Datalogger A/C/Z Weighted SPL Decibel Meter 30~130 dB

    $84.90

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  • Decibel Meter Large Colored LED Screen Display Sound Level Tester 30dB to 130dB

    $66.90

Temperature Humidity Monitor

Advanced CO2 Logger, your best IAQ watch

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Temperature Humidity Monitor

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Light Intensity Meter PPFD PAR Tester for Outdoor Indoor Plants Led Grow Lights

$86.90

PH & Temperature Monitor Meter 2 IN 1 Dual Display Mini Water Quality Tester kit

$33.89

6X420mm Dental Binocular Loupes Medical Surgical Loupes Dentist Magnifier US

$209.90

Gemology Gemstone Gem Refractometer LED Monochromatic Light Filter 1.30 ~ 1.81RI

$92.90

K/J Type Thermocouple Thermometer Temperature Meter Tester Dual Channel 4 Probes

$39.80

6-IN-1 Water Quality Tester pH/EC/TDS/Salinity/SG/Temp 24Hrs Online Monitoring

$60.90

Wireless Weather Station Temperature Humidity RCC DCF w/ 3 Remote Sensors

$34.90

Light Meter Portable PAR Meter Quantum For Grow Light Recording LUX Meter Gauge

$139.99

Professional Multi-Field EMF Detector Meter Electromagnetic Radiation 3-in-1

$159.90

Replacement Remote Sensor for Wireless Weather Station Temperature Humidity

$23.90

Wireless Weather Station with 3 Sensors Touch Sreen Humidity Temperature RCC DCF

$34.90

Jewelers Loupe 10X Magnifying Glass with Light Jewelry Eye Loop w/ Reticle Scale

$29.99 to $66.99

Digital Sound Level Meter Calibrator Professional Noise Decibel Calibration Tool

$129.90

Refractive Index Fluid Oil x 2 Bottles Refractometer RI

$57.90

Decibel Meter Large Colored LED Screen Display Sound Level Tester 30dB to 130dB

$66.90

30x Magnification Jewelry Gem Loupe with UV & 6 LED Light, 21mm Optical Glass

$23.90

Soil pH Moisture Meter 295mm Waterproof Metal Long Electrode Plant Acidity Test

$55.99

Window Tint Meter Portable Tool Visible Light, UV IR Measure Solar Film Car Tint

$107.99

Ruby Filter Gem Emerald Identification Gemstone Red Pink Tester Tool Identifier

$32.90

2 IN 1 Diamond & MoissaniteTester Gem 2pt Diamond Selector JewelryTest Tool

$119.90

Smart Decibel Meter w/ Large LED Screen Sound Level Meter Noise Monitor 30-130dB

$66.80

DIAMOND TESTER SELECTOR MOISSANITE Tester UV Ultraviolet Light JEM-II + JEM-III

$89.99

Swimming Pool pH Meter Chlorine Tester Analog Water Analysis Test Kit

$28.99

Professional Ultrasonic Steel Iron Thickness Meter Gauge Measure 1.2~220mm

$153.90

Professional Anemometer Datalogger Wind Speed Velocity Meter Air Flow Tester

$99.90

Digital Sound Level Meter Datalogger A/C/Z Weighted SPL Decibel Meter 30~130 dB

$84.90

Bench Type Polariscope Built-in w/ LED, Rotatable Platform 2 poalorized Filters

$130.90

Professional Sound Level Meter Noise Decible Tester 30dB~130dB High Accuracy

$35.88

Socket Tester Receptacle Detector Red Light Test Result Indicator Outlet Tester

$26.90

Wireless Fish Finder 45m (135ft) Depth & 120m (400ft) for Fresh & Salt Water

$94.90

Circuit Breaker Finder Electric Tool Receiver Transmitter Fuse Locator 110V

$54.90

PH/ORP Controller with Monitoring and Dosing in Water App Remote Online Monitor

$113.90

CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function NDIR Sensing Probe

$151.90

Chelsea Filter for Gem Identification Emerald Green, Blue and Red Gemstones

$31.90

Universal Battery Tester Analyzer C D N AA AAA 9V 1.5V Button Cell Batteries

$9.90

Smart WiFi CO2 Detector Indoor Air Quality Monitor Carbon Dioxide NDIR Sensor

$79.90

Digital Sound Level Meter Calibrator Pressure Noise Level Tester Measurement

$119.90

Window Tint Meter Visual Light Transmission 18mm Thickness Continuous Measuring

$139.90

Weather Station 2 Wireless Sensors DCF Radio Controlled Clock Thermometer Alarm

$58.90

K-Type Thermocoupe 4 Channel -200~1370°C /-328~2498°F SD Card Logger Thermometer

$164.90

GM Geiger Counter X-Ray β γ Nuclear Radiation Detector Dosimeter Monitor Tester

$82.90

LUCKY Fish Finder Depth Wireless Remote Control Sonar Fishing Locator Tracker

$173.99

Ultrasonic Thickness Gauge Meter Aluminum Steel Cast Iron Pipes 0.9~400mm Range

$298.90

Industrial 3.5" LCD Video Inspection Endoscope Borescope 1M Cable 3.9mm Camera

$158.90

10x Magnification Jewelery Loupe, 20.5mm Triplet Lens Achromatic Optical Glass

$26.90

10x 21mm Loupe Jeweler Magnifier LED UV Light Triplet Lens Magnifying Gem Tool

$32.90

K/J Type Contact Thermocouple Thermometer 4-Channel Temperature Tester Max1372°C

$83.90

Scale Loupe Magnifier 10x Magnification LED and UV Illumination Magnifying Glass

$23.90
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  • About us

    Gain Express Holdings Ltd - We are a professional supplier of all kinds of testing instruments based in Hong Kong. We supply a wide range of products w/ CE approval and our factory is certified by EN ISO9001-2000. You can easily find our company's background via search engines. ie. Google or Yahoo
    Location: Hong KongMember since: Mar 28, 2005Seller: gainexpress
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About us

Gain Express Holdings Ltd - We are a professional supplier of all kinds of testing instruments based in Hong Kong. We supply a wide range of products w/ CE approval and our factory is certified by EN ISO9001-2000. You can easily find our company's background via search engines. ie. Google or Yahoo
Location: Hong KongMember since: Mar 28, 2005Seller: gainexpress
Top Rated SellerGain Express Holdings Ltd is one of eBay's most reputable sellers. Consistently delivers outstanding customer service Learn more

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Feedback ratings

Last 12 months

Positive69- positive feedback in last 12 months
Neutral0- neutral feedback in last 12 months
Negative0- negative feedback in last 12 months

Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
4.9
Communication
5.0

Seller feedback (79,450)

h***h (69)- Feedback left by buyer.
Past 6 months
Verified purchase
Great Seller!, fast shipping,product as described, would buy again.
-***r (161)- Feedback left by buyer.
Past 6 months
Verified purchase
great shipping/ packaged great / very professional / great seller / *****
l***l (258)- Feedback left by buyer.
Past 6 months
Verified purchase
Fast delivered and units are as specified . Thank you.
o***2 (1106)- Feedback left by buyer.
Past 6 months
Verified purchase
Exactly what I ordered, delivered on time.
e***c (2487)- Feedback left by buyer.
Past 6 months
Verified purchase
As described. Fast shipping.
g***l (142)- Feedback left by buyer.
Past 6 months
Verified purchase
Scientiffic instrument recieved thank you for good price!
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