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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
All products
New
Customizable
Ready to Ship
10x Magnification Jewelry Loupe, 20.5mm Triplet Lens Achromatic Metal (Aluminum) Black Frame Magnifying Tool
$5.75 - $6.92
Shipping: $14.00/piece
Min. Order: 2 pieces
Add to cart
Optical Glass Magnifier Double Lens Magnifying Jewelry Gem Tool 10x Magnification 1/16inch & 0.5mm Scale
$6.43 - $7.74
Shipping: $15.90/piece
Min. Order: 2 pieces
Add to cart
BNC Connector pH Electrode Probe 0-14 pH Range w/ Calibration Powder (OEM Packaging Available)
$6.65 - $8.00
Shipping: $7.46/set
Min. Order: 5 sets
Add to cart
High Accuracy pH Electrode with Calibration Powder, 0-14 pH Glass Bulb Probe with BNC Connector 300cm Cable
$6.65 - $8.00
Shipping: $7.46/piece
Min. Order: 5 pieces
Add to cart
High Sensitivity Handheld Precision Combustible Methane Propane Gas Leak Detector Alarm Sensor 40-640ppm Range
$61.83
Shipping to be negotiated
Min. Order: 50 pieces
Brix Refractometer ATC High-Concentrated Sugar Solution Content Test 0-32% Homebrew Tester Meter (OEM Packaging Available)
$8.64 - $10.40
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
6 in 1 Professional Multi-parameter Water Quality Monitor Tester pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter
$62.16
Shipping to be negotiated
Min. Order: 5 pieces
6 in 1 Professional Multi-parameter Digital Multi-function Water Quality Monitor Tester pH/ ORP/ EC/ CF/ TDS PPM/ Temperature
$62.16
Shipping to be negotiated
Min. Order: 5 pieces
Portable Film Coating Thickness Gauge Tester Meter 0~1.80mm/0-~71.0 mil Non-magnetic Coat (OEM Packaging Available)
$13.54
Shipping to be negotiated
Min. Order: 10 sets
Portable Film Coating Thickness Gauge Tester Meter, Automotive Car Nondestructive, Car Trading, Inspection, Non-magnetic Coat
$13.54
Shipping to be negotiated
Min. Order: 10 pieces
Soil PH, Moisture & Light Meter for Garden Farm Lawn Household Indoor Outdoor (Silver)
$3.74
Shipping to be negotiated
Min. Order: 20 pieces
Soil pH, Moisture & Light Meter 3 Way Tester Kit Plants Growth Watering Quality Monitoring Checker Gardening Acidity Probe Test
$3.51
Shipping to be negotiated
Min. Order: 20 pieces
Ultrasonic Paint Thickness Tester Meter Gauge Automotive Car w/ F & NF Probes for Accurate Results (OEM Packaging Available)
$174.70 - $188.31
Shipping: $31.80/set
Min. Order: 1 set
Add to cart
NEW Pocket-size Socket Outlet Polarity Detector Tester With LED Result Indicator For Safety Inspection (OEM Packaging Available)
$2.69 - $3.24
Shipping: $6.36/piece
Min. Order: 5 pieces
Add to cart
Industrial 8.5mm Camera Inspection HD 20M WIFI Range Waterproof Endoscope 6 LED Borescope Tube iOS Android Windows iPhone iPad
$56.25 - $62.50
Shipping: $22.20/piece
Min. Order: 2 pieces
Add to cart
0.0-14.0 pH & Temperature Meter ATC Dual Display, for Hydroponics Aquariums, Portable Digital Pen-Type Tester, IP67 Waterproof
$18.11 - $20.44
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
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