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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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Gemology Gemstone Gem Refractometer w/ Monochromatic Light Filter + Polarizing Lens 1.30 ~ 1.81 RI Range
$48.92 - $54.35
Shipping: $31.80/piece
Min. Order: 1 piece
2 sold
Add to cart
Clinical Handheld Refractometer with ATC for Human Wrestlers Tri Scale Blood (OEM Packaging Available)
$8.64 - $10.40
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Gem Refractometer w/ Built-in LED Light + RI Oil Gemstone Identifier Tester Jewelry Tool
$48.21 - $53.57
Shipping: $31.80/piece
Min. Order: 1 piece
10 recent viewed
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Handheld Clinical Refractometer with ATC for Human Wrestlers Tri Scale Blood Serum Protein/ Urine / RI
$8.64 - $10.40
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
3-in-1 Battery Automotive Antifreeze Refractometer, Battery Charge Test Cooling System Coolant Freezing Point
$9.05 - $10.88
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Grape Fruit Juice Alcohol Refractometer with ATC for Sugar Glucose Wine Making Winemakers Dual Scale 0-25% VOL 0-40% Brix
$8.64 - $10.40
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Handheld Salinity Refractometer 0-10% w/ ATC Salt Hydrometer + Built-in Calibration Knob (OEM Packaging Available)
$15.42
Shipping to be negotiated
Min. Order: 35 sets
3-in-1 Automotive Antifreeze Refractometer 1.100 - 1.400kg/l System Coolant Freezing Point (OEM Packaging Available)
$9.05 - $10.88
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions 0.1% Accuracy Synthetic Machining Maple Sap
$8.64 - $10.40
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Beer Brix & Specific Gravity Refractometer with ATC Optic Dual Scale 0~32% Brix 1.000-1.120 SG Fruit Juice Sugar
$8.64 - $10.40
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Brix Refractometer 0-10% w/ ATC Low-Concentrated Sugar Content Solutions Machining Maple Sap (OEM Packaging Available)
$6.05 - $7.28
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Pet Clinical Refractometer for Dog Cat Tri-Scale Serum & Plasma Protein Test 2-14g/dl Urine Specific Gravity 1.000-1.060SG
$6.75 - $8.12
Shipping: $7.46/piece
Min. Order: 5 pieces
Add to cart
0~80% Alcohol Refractometer w/ ATC Optical Handheld Concentration Tester Meter (OEM Packaging Available)
$8.84 - $10.64
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
0~32% Optic Dual Scale Beer Brix & Specific Gravity Refractometer 1.000-1.120SG Fruit Juice Sugar (OEM Packaging Available)
$8.64 - $10.40
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Honey Refractometer 3-in-1 Brix/Moisture/Baume Tester Meter ATC 58-90%/12-27%/38-43Be' Tri-Scale (OEM Packaging Available)
$11.46 - $13.78
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Making
$8.84 - $10.64
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
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