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gainexpresswarrantybadge (422)

gainexpresswarrantybadgewaterquality (32)

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WQM-243 6 in 1 Professional Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

WQM-243 6 in 1 Professional Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

$116.90 USD

WQM-303 Pentype Multi-Paramater 5-in-1 Water Quality Tester (pH / TDS / EC / Temp / Salinity) Waterproof Digital Meter Research Household Industrial Laboratory Analysis

WQM-303 Pentype Multi-Paramater 5-in-1 Water Quality Tester (pH / TDS / EC / Temp / Salinity) Waterproof Digital Meter Research Household Industrial Laboratory Analysis

$52.90 USD

WQM-339 7in1 Pentype Tester PH / TDS / EC / ORP / Salinity / S.G. / Temperature Meter Water Tester for Drinking Water, Aquariums, Hydroponics Pools

WQM-339 7in1 Pentype Tester PH / TDS / EC / ORP / Salinity / S.G. / Temperature Meter Water Tester for Drinking Water, Aquariums, Hydroponics Pools

$38.90 USD

WQM-341 Water Quality Tester pH / EC / TDS / Salinity / SG / Temperature with 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument

WQM-341 Water Quality Tester pH / EC / TDS / Salinity / SG / Temperature with 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument

$74.90 USD

WQM-359 Multi-Parameter 8-in-1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester

WQM-359 Multi-Parameter 8-in-1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester

$94.90 USD

WQM-369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester

WQM-369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester

$67.90 USD

WQM-397 Smart 5-in-1 pH / TDS / Salt / S.G / Temperature WiFi Tester Water Quality for Drinking Supply Aquarium Hydroponics Pool Aquaculture

WQM-397 Smart 5-in-1 pH / TDS / Salt / S.G / Temperature WiFi Tester Water Quality for Drinking Supply Aquarium Hydroponics Pool Aquaculture

$62.90 USD

WQM-408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc.

WQM-408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc.

$54.90 USD

WQM-448 Digital 3-in-1 pH | EC | Temperature Tester Waterproof IP65 for pH/EC Measurement in Water, Meats and Soft Solid Food Samples with ATC, Portable High-Accuracy

WQM-448 Digital 3-in-1 pH | EC | Temperature Tester Waterproof IP65 for pH/EC Measurement in Water, Meats and Soft Solid Food Samples with ATC, Portable High-Accuracy

$57.90 USD

WQM-453 Water Quality Conductivity Indicator 7 LED Conductivity Level Measure 0~90us/cm with ATC and IP68 for Water Filter Monitoring, Environmental Checking etc.

WQM-453 Water Quality Conductivity Indicator 7 LED Conductivity Level Measure 0~90us/cm with ATC and IP68 for Water Filter Monitoring, Environmental Checking etc.

$142.90 USD

WQM-504 Smart Aquarium Water Quality Monitor – 7-in-1 Real-Time Water Tester for pH, Temperature, TDS, EC, Salinity, Specific Gravity & ORP – WiFi Connected with Mobile Alerts

WQM-504 Smart Aquarium Water Quality Monitor – 7-in-1 Real-Time Water Tester for pH, Temperature, TDS, EC, Salinity, Specific Gravity & ORP – WiFi Connected with Mobile Alerts

$109.90 USD

WQM-526 Digital Water Testing Kit for Hot Tub, Pools & Spas Water Tester Measures pH, Free Chlorine, Total Alkalinity, Bromine, Cyanuric Acid, Total Chlorine, Total Hardness with Water Analyzer and Test Strips

WQM-526 Digital Water Testing Kit for Hot Tub, Pools & Spas Water Tester Measures pH, Free Chlorine, Total Alkalinity, Bromine, Cyanuric Acid, Total Chlorine, Total Hardness with Water Analyzer and Test Strips

$196.90 USD

WQM-527 Smart WIFI Water Quality Monitor Multi-Parameter Aquarium Monitor pH, Temperature, TDS, EC (Conductivity), Salinity, S.G, and ORP for Hydroponics, Aquarium, Fish Tank, Aquaculture

WQM-527 Smart WIFI Water Quality Monitor Multi-Parameter Aquarium Monitor pH, Temperature, TDS, EC (Conductivity), Salinity, S.G, and ORP for Hydroponics, Aquarium, Fish Tank, Aquaculture

$82.90 USD

WS-002-2S Wireless Weather Forecast Station Indoor/Outdoor Temperature Humidity RH RCC DCF Thermometer 2 sensors Moonphase Alarm

-10%

WS-002-2S Wireless Weather Forecast Station Indoor/Outdoor Temperature Humidity RH RCC DCF Thermometer 2 sensors Moonphase Alarm

$25.11 USD

~~$27.90 USD~~

WS-103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

-50%

WS-103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

$23.45 USD

~~$46.90 USD~~

WS-103_3S Weather Station 3 Wireless Sensors, WWVB Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

-30%

WS-103_3S Weather Station 3 Wireless Sensors, WWVB Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

$39.83 USD

~~$56.90 USD~~

WS-104_EU_2S Wireless Weather Station Temperature Humidity RCC DCF 2 Remote Sensors Indoor Outdoor

-40%

WS-104_EU_2S Wireless Weather Station Temperature Humidity RCC DCF 2 Remote Sensors Indoor Outdoor

$32.34 USD

~~$53.90 USD~~

WS-104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors

-55%

WS-104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors

$26.06 USD

~~$57.90 USD~~

WTM-1000 Digital Window Tint Meter Light Transmittance Glass

WTM-1000 Digital Window Tint Meter Light Transmittance Glass

$176.90 USD

WTM-1100 Window Tint Meter Visual Light Transmission 18mm Thickness Continuous Measuring

WTM-1100 Window Tint Meter Visual Light Transmission 18mm Thickness Continuous Measuring

$167.90 USD

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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

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(+1) 347 305 4263

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(+44) 020 3286 9086

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(+852) 5446 6952

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