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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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Digital Light Level Meter Tester Lux Photo Light Sensor 0~50,000
$9.93
Shipping to be negotiated
Min. Order: 50 pieces
Vibration Calibrator Sensors Meter Tester Calibration, Accelerometer Vibration System Machinery Health R&D Handheld Shaker
$337.35 - $354.43
Shipping: $44.40/piece
Min. Order: 1 piece
Add to cart
LUCKY Rechargeable Battery Waterproof Wireless Fishfinder/ Fish finder 2-131FT Sensor 125kHz Sonar Frequency Bottom Contour
$58.80 - $66.90
Shipping: $14.20/piece
Min. Order: 1 piece
Add to cart
20M Cable Length LUCKY Underwater Fishing & Inspection Waterproof Camera System CMD sensor with 3.5 inch TFT RGB Display Monitor
$79.70 - $92.90
Shipping: $37.30/piece
Min. Order: 1 piece
Add to cart
100m (328ft) Wireless Sonar Sensor & 45M (145ft) Depth Coverage LUCKY Fish Finder Colored LCD Fishfinder Detector Waterproof
$68.00 - $76.90
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
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
LUCKY 45m (147.6ft) Depth Range Handheld Fish Finder Digital Display Wireless Sonar Sensor (OEM Packaging Available)
$34.50 - $40.00
Shipping to be negotiated
Min. Order: 10 sets
LUCKY RUSSIAN 2-in-1 Fish Finder Waterproof Transducer 328ft / 100m & 180m, Wired/Wireless Sensor (OEM Packaging Available)
$68.00 - $76.90
Shipping: $37.30/set
Min. Order: 1 set
Add to cart
LUCKY 2-in-1 Fish Finder Rechargeable Waterproof Transducer 328ft / 100m & 180m, Wired/Wireless Sensor (OEM Packaging Available)
$68.00 - $76.90
Shipping: $25.35/set
Min. Order: 2 sets
Add to cart
Fish Finder Wireless Sonar Sensor 45 meters (147 feet) / 0.7 meters (2 feet) Depth LCD Display 200M Wireless Range for Sea, Ice
$50.53 - $56.14
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
AQM-338 Portable Tester Hydrogen Sulfide Detector H2S Monitor 0~100ppm Electrochemical H2S Sensor with LCD Screen Backlight
$30.02 - $33.88
Shipping: $14.95/piece
Min. Order: 5 pieces
Add to cart
Digital Indoor/Outdoor Temperature Wireless Weather Forecast Station/ RCC DCF Radio Controlled Clock Date Calendar + 2 sensors
$20.25 - $22.86
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
LUCKY Fish Finder Wireless Rechargeable Sensor 100M Operational Range for FFW-718LA, FF-1108-1CLA, FF-1108-1CWLA
$24.51 - $28.90
Shipping: $28.00/piece
Min. Order: 1 piece
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Smart Wifi CO2 Detector Monitor Air Quality Indoor Temperature & Humidity Tester NDIR Sensor for Grow Tent, Mushroom, Home
$34.93 - $38.81
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
pH Moisture/Humidity Fertility 3-in-1 Sensitive Soil Meter Tester Indoor Outdoor Probe Sensor
$3.06 - $3.28
Shipping to be negotiated
Min. Order: 1 piece
LUCKY Wireless Fish Finder 45M Depth 60M Sonar Sensor w/ Fish Attractive Light Lamp & Color LCD (OEM Packaging Available)
$51.25 - $56.94
Shipping: $15.90/set
Min. Order: 2 sets
Add to cart
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