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110 Voltage (1)

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gainexpresswarrantybadge (397)

gainexpresswarrantybadgewaterquality (59)

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PHM-233 6 in 1 Professional Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

PHM-233 6 in 1 Professional Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

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(For Bulk Order Only)

PHM-234 3-in-1 pH, EC & TDS Conductivity Monitor ATC w/ 3.5" Large Dual Display, Water Quality Meter Tester for Aquaculture, Aquarium, Pond, Hydroponics

PHM-234 3-in-1 pH, EC & TDS Conductivity Monitor ATC w/ 3.5" Large Dual Display, Water Quality Meter Tester for Aquaculture, Aquarium, Pond, Hydroponics

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(For Bulk Order Only)

PHM-236

PHM-236

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(For Bulk Order Only)

PHM-237 Economical pH Pocket Meter Tester Size with Clip, High Accuracy Removable Probe Electrode, Laboratory, School, Aquarium

PHM-237 Economical pH Pocket Meter Tester Size with Clip, High Accuracy Removable Probe Electrode, Laboratory, School, Aquarium

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(For Bulk Order Only)

PHM-300 Digital Pen type pH Meter Water Quality Liquid Acidity Tester 0.01pH Accuracy for Laboratory, Household Water, Spa, Pool Aquarium

PHM-300 Digital Pen type pH Meter Water Quality Liquid Acidity Tester 0.01pH Accuracy for Laboratory, Household Water, Spa, Pool Aquarium

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(For Bulk Order Only)

PHS-3385 Waterproof pH Meter 2.1 - 10.8pH Dipstick

PHS-3385 Waterproof pH Meter 2.1 - 10.8pH Dipstick

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(For Bulk Order Only)

PHT-026 6-in-1 Multi-Function Meter Tester EC CF TDS PH °C °F

PHT-026 6-in-1 Multi-Function Meter Tester EC CF TDS PH °C °F

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(For Bulk Order Only)

PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C

PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C

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(For Bulk Order Only)

PM1208M_leather Gamma Master II Leather Strap GAMMA RADIATION WATCH

PM1208M_leather Gamma Master II Leather Strap GAMMA RADIATION WATCH

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(For Bulk Order Only)

PM1208M_steel Gamma Master II Nuclear Gamma Radiation Detector Dosimeter Watch with Geiger-Muller Tube Sensor

PM1208M_steel Gamma Master II Nuclear Gamma Radiation Detector Dosimeter Watch with Geiger-Muller Tube Sensor

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(For Bulk Order Only)

R01AOK-2819 Wireless 30m Indoor Outdoor Thermometer+Snow Alert Alarm

R01AOK-2819 Wireless 30m Indoor Outdoor Thermometer+Snow Alert Alarm

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(For Bulk Order Only)

R01AOK-5018B Digital Wireless Indoor Outdoor Weather Station Thermometer

-3%

R01AOK-5018B Digital Wireless Indoor Outdoor Weather Station Thermometer

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(For Bulk Order Only)

R01AOK-5019 Weather Station DCF77 RCC Indoor Outdoor Thermometer RH

R01AOK-5019 Weather Station DCF77 RCC Indoor Outdoor Thermometer RH

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(For Bulk Order Only)

REA-503EATC Automotive Refractometer, Ethylene glycol: -60~0°C and 0~100%, Battery Fluid 1.10~1.40kg/l

$REA - 503EATC REA - 503EATC Automotive Refractometer, Ethylene glycol: - 60~0°C and 0~100%, Battery Fluid 1.10~1.40kg/l - Gain Express$

$REA - 503EATC REA - 503EATC Automotive Refractometer, Ethylene glycol: - 60~0°C and 0~100%, Battery Fluid 1.10~1.40kg/l - Gain Express$

REA-503EATC Automotive Refractometer, Ethylene glycol: -60~0°C and 0~100%, Battery Fluid 1.10~1.40kg/l

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REB-32KMWATC Handheld 0-32% Brix Refractometer with ATC, 0-140°Oe, 0-27KMW/Babo, Oechsle, for brandy, beer worth

$REB - 32KMWATC REB - 32KMWATC Handheld 0 - 32% Brix Refractometer with ATC, 0 - 140°Oe, 0 - 27KMW/Babo, Oechsle, for brandy, beer worth - Gain Express$

$REB - 32KMWATC REB - 32KMWATC Handheld 0 - 32% Brix Refractometer with ATC, 0 - 140°Oe, 0 - 27KMW/Babo, Oechsle, for brandy, beer worth - Gain Express$

REB-32KMWATC Handheld 0-32% Brix Refractometer with ATC, 0-140°Oe, 0-27KMW/Babo, Oechsle, for brandy, beer worth

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RF-707 Wireless Floating Swimming Pool Thermometer 10~60 degree C (14 ~ 140 degree F) Range Digital

RF-707 Wireless Floating Swimming Pool Thermometer 10~60 degree C (14 ~ 140 degree F) Range Digital

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(For Bulk Order Only)

RHA-100ATC 3-in-1 Automotive Battery Antifreeze Refractometer Fahrenheit, -84~32°F Ethylene/ -60~32°F Propylene Glycol/ 1.100-1.400 Battery Fluids Specific Gravity, Battery Test Cooling Coolant Freezing Point

$RHA - 100ATC 3 - in - 1 Automotive Battery Antifreeze Refractometer Fahrenheit, - 84~32°F Ethylene/ - 60~32°F Propylene Glycol/ 1.100 - 1.400 Battery Fluids Specific Gravity, Battery Test Cooling Coolant Freezing Point - Gain Express$

$RHA - 100ATC 3 - in - 1 Automotive Battery Antifreeze Refractometer Fahrenheit, - 84~32°F Ethylene/ - 60~32°F Propylene Glycol/ 1.100 - 1.400 Battery Fluids Specific Gravity, Battery Test Cooling Coolant Freezing Point - Gain Express$

RHA-100ATC 3-in-1 Automotive Battery Antifreeze Refractometer Fahrenheit, -84~32°F Ethylene/ -60~32°F Propylene Glycol/ 1.100-1.400 Battery Fluids Specific Gravity, Battery Test Cooling Coolant Freezing Point

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(For Bulk Order Only)

RHA-503ATC Handheld Antifreeze/Battery/Cleaning Fluid Refractometer

$RHA - 503ATC Handheld Antifreeze/Battery/Cleaning Fluid Refractometer - Gain Express$

$RHA - 503ATC Handheld Antifreeze/Battery/Cleaning Fluid Refractometer - Gain Express$

RHA-503ATC Handheld Antifreeze/Battery/Cleaning Fluid Refractometer

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(For Bulk Order Only)

RHA-701ATC Car Adblue Antifreeze Battery Windshield Fluid Refractometer

$RHA - 701ATC Car Adblue Antifreeze Battery Windshield Fluid Refractometer - Gain Express$

$RHA - 701ATC Car Adblue Antifreeze Battery Windshield Fluid Refractometer - Gain Express$

RHA-701ATC Car Adblue Antifreeze Battery Windshield Fluid Refractometer

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(For Bulk Order Only)

RHAN-100ATC New °F Antifreeze/Battery/Cleaning Fluid 100ATC Refractometer

$RHAN - 100ATC RHAN - 100ATC New °F Antifreeze/Battery/Cleaning Fluid 100ATC Refractometer - Gain Express$

$RHAN - 100ATC RHAN - 100ATC New °F Antifreeze/Battery/Cleaning Fluid 100ATC Refractometer - Gain Express$

RHAN-100ATC New °F Antifreeze/Battery/Cleaning Fluid 100ATC Refractometer

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(For Bulk Order Only)

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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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