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Gain Express Holdings Ltd

Gain Express Holdings Ltd

146K items sold
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  • GM Geiger Counter X-Ray β γ Nuclear Radiation Detector Dosimeter Monitor Tester

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  • 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

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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

Refractive Index Fluid Oil x 2 Bottles Refractometer RI

$57.90

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

Circuit Breaker Finder Electric Tool Receiver Transmitter Fuse Locator 220V

$54.90

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

$34.90

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

$33.89

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

$29.99 to $66.99

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

$34.90

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

$159.90

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

$23.90

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

$89.99

Replacement Remote Sensor for Wireless Weather Station Temperature Humidity

$23.90

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

$60.90

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

$55.99

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

$66.80

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

$139.99

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

$119.90

Professional Anemometer Datalogger Wind Speed Velocity Meter Air Flow Tester

$99.90

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

$39.80

Swimming Pool pH Meter Chlorine Tester Analog Water Analysis Test Kit

$28.99

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

$113.90

Ruby Filter Gem Emerald Identification Gemstone Red Pink Tester Tool Identifier

$32.90

Digital Sound Level Meter Calibrator Professional Noise Decibel Calibration Tool

$129.90

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

$66.90

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

$35.88

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

$130.90

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

$151.90

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

$94.90

pH Electrode Probe BNC Connector 200cm Long Cable for PH Meter Monitor Pool Spa

$25.90

Dual-Channel K / J / T / E / R / S / N-Type ATC Thermocouple Thermometer Tester

$36.90

Salinity & Brix Refractometer Triple Scale with ATC Density Monitoring Measure

$29.90

Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test

$32.90

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

$31.90

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

$164.90

Socket Tester Receptacle Detector Red Light Test Result Indicator Outlet Tester

$26.90

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

$107.99

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

$153.90

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

$9.90

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

$26.90

6V 12V Automotive Car Battery Tester Charging Cranking Test Analyzer

$31.99

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

$84.90

Clinical Refractometer with ATC Tri-Scale-Serum Protein Urine SG Veterinary Vet

$30.90

Digital Sound Level Meter Calibrator Pressure Noise Level Tester Measurement

$119.90

Window Tint Meter Visual Light Transmission 18mm Thickness Continuous Measuring

$139.90

0-5000ppm Temperature IAQ Meter Air Quality Tester Dual-Beam NDIR Sensor Monitor

$85.90

Injector Tester Digital Display 12V Vehicle Battery Car Truck Automotive Tool

$56.90

Professional Dissolved Oxygen DO Meter Digital Barometric Pressure Compensation

$226.90
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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

Positive70- 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 (79,452)

h***h (69)- Feedback left by buyer.
Past 6 months
Verified purchase
Great Seller!, fast shipping,product as described, would buy again.
-***r (164)- Feedback left by buyer.
Past year
Verified purchase
great shipping/ packaged great / very professional / great seller / *****
l***l (260)- Feedback left by buyer.
Past 6 months
Verified purchase
Fast delivered and units are as specified . Thank you.
o***2 (1125)- Feedback left by buyer.
Past 6 months
Verified purchase
Exactly what I ordered, delivered on time.
e***c (2493)- Feedback left by buyer.
Past 6 months
Verified purchase
As described. Fast shipping.
g***l (147)- Feedback left by buyer.
Past 6 months
Verified purchase
Scientiffic instrument recieved thank you for good price!
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