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GAIN EXPRESS HOLDINGS LIMITED
HK
12
YRS
Main categories: industrial Endoscope,PH meter,Refractometer,Fish Finder,Lux Meter
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Product categories
NEW ARRIVALS
Air Quality Meters
Automotive Testing Equipment
Water Quality Meters
Fishing Tackles/Gears
Dental Loupe
Gemological Instruments / Jeweler Tools
Health, Fitness & Sports
Inspection Cameras / Endoscopes / Borescopes
Microscopes / Ring Lights / Illuminators
Multimeters / Clamp Meters
Measuring Instruments
OEM Products
Ozone Generator
Refractometers
Tension Tester
Water Level Alarm
Weather Station
Ungrouped
300cm long Cable ORP Electrode for ORP Meter Tester Controller (OEM packaging available)
$17.16 - $19.37
(Min. Order) 1 set
20x Magnification 20.5mm Jeweler Gem Loupe Triplet Lens Jewelry Optical Hobbyist Stamp & Coin (OEM Packaging Available)
$6.14 - $7.39
(Min. Order) 2 sets
3-in-1 Automotive Antifreeze Refractometer 1.100 - 1.400kg/l System Coolant Freezing Point (OEM Packaging Available)
$9.05 - $10.88
(Min. Order) 1 set
Gloss Surface Meter 0.1-200 GU Tester Meter 20deg 45deg 75deg for Ceramics Films Textiles Rechargeable Reflectometer Triple
$216.87 - $227.85
(Min. Order) 1 piece
3-in-1 Digital EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC (OEM packaging available)
$20.65 - $23.30
(Min. Order) 1 set
Greenhouse CO2 Controller w/ 4.5 Meters Remote CO2 Sensor Auto Detect Day Night Function Perfect for Grow Rooms, Home, Offices
$93.90 - $108.90
(Min. Order) 1 set
23 orders
Digital CO2 IAQ Monitor Controller 45M Cable NDIR Sensing Probe w/ Relay Function Green House Home, Office, Factory
$93.90 - $108.90
(Min. Order) 1 piece
CO2 Carbon Dioxide Monitor & Controller (Relay Function) w/ Remote Sensor for Home, Office, Hospital (OEM Packaging Available)
$93.90 - $108.90
(Min. Order) 1 piece
5 orders
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OBD Digital Automobile Car Vehicle Fault Code Reader Diagnostic Scanner with 5 Languages
$7.12 - $7.45
Shipping to be negotiated
Min. Order: 1 piece
Digital Carbon Dioxide Temperature Humidity CO2 Monitor WB DP Tester Handheld CO2 Meter (OEM Packaging Service Available)
$93.50 - $103.90
Shipping: $44.40/set
Min. Order: 1 set
21 sold
Add to cart
5-in-1 Water Quality Multi-parameter Wall-mountable PH EC CF TDS (ppm) Temperature Test Meter Backlight Pond Drinking
$43.46 - $48.29
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
Multi-function Digital Meter With Thermometer, Hygrometer, Calendar and Clock Alarm Function for Household, Office, School, Etc
$6.00 - $8.40
Shipping to be negotiated
Min. Order: 50 pieces
0~9999ppm Range Wall Mount Indoor Air Quality Monitor CO2 Meter Temperature RH Carbon Dioxide Tester (OEM Packaging Available)
$97.02 - $107.51
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Wall Mountable CO2 Detector w/ Alarm 0~9999ppm Range Carbon Dioxide Monitor Meter RH Indoor Air Quality IAQ Sensor
$97.02 - $107.51
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Multi-parameter 5-in-1 Water Quality Meter Wall-mountable PH EC CF TDS (ppm) Temperature Tester (OEM Packaging Available)
$43.46 - $48.29
Shipping: $31.80/set
Min. Order: 1 set
Add to cart
5-in-1 Water Quality Multi-parameter PH EC CF TDS (ppm) Temperature Fish Tank Pond Drinking Test Meter Backlight Rechargeable
$43.46 - $48.29
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
Digital Waterproof USB Humidity Temperature and Pressure Data Logger gauge, generate PDF/Excel report(OEM packaging available)
$43.75 - $48.61
Shipping: $28.00/set
Min. Order: 1 set
7 recent viewed
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Digital Solar Power Meter Radiation Energy Cell BTU (ft2*h) W/m2 Tester Auto Range (OEM Packaging Available)
$63.13 - $70.14
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Lucky Black Fish Finder 45m (135ft) Depth & 120m (400ft) Wireless Sonar Sensor Sea Bed Live-Update Bottom Contour
$49.00 - $55.90
Shipping: $12.00/piece
Min. Order: 1 piece
Add to cart
Digital 2 Channels K-Type Thermometer -50~1300degC (-58~2372degF) w/ 4 Thermocouples (Wired & Stainless Steel) Dual Meter Sensor
$12.66 - $15.24
Shipping: $28.00/piece
Min. Order: 1 piece
2 sold
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Digital 2 Channels K-Type Thermometer 2 Thermocouples 50~1300degC (-58~2372degF) Handheld High Temperature Meter Sensor
$10.95 - $13.18
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Waterproof 2in1 Self-powered Dual Soil pH Level and Moisture Meter Tester Plants Crops Vegetable Flowers Vineyards
$33.24
Shipping to be negotiated
Min. Order: 20 pieces
HTM-49 GainExpress Digital Hygrometer Psychrometer Humidity & Temperature Meter 0-100%RH LCD Backlight Humidity Range Min/Max Ho
$10.65 - $12.82
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Portable Solar Power Meter BTU W/M2 Radiation Energy Cell Tester Taiwan Made
$63.13 - $70.14
Shipping: $28.00/piece
Min. Order: 1 piece
14 recent viewed
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