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GAIN EXPRESS HOLDINGS LIMITED
{0} years
Hong Kong S.A.R.
Main categories: industrial Endoscope,PH meter,Refractometer,Fish Finder,Lux Meter
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Top picks
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Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool Equipment
$73.75 - $81.94
Shipping to be negotiated
Min. Order: 2 pieces
7 orders
LUCKY FF918-CWLS Color Display Bait Boat Fish Finder with 300m/980ft Wireless Operating Range(OEM Packaging Available)
$99.45 - $115.90
Shipping to be negotiated
Min. Order: 1 set
Gem Refractometer w/ Built-in LED Light + RI Oil Gemstone Identifier Tester Jewelry Tool
$48.21 - $53.57
Shipping to be negotiated
Min. Order: 1 piece
LUCKY LBT-1-GPS Color Display Bait Boat Fish Finder with 300m/980ft with GPS (OEM Packaging Available)
$323.90
Shipping to be negotiated
Min. Order: 10 sets
NEW ARRIVALS
Air Quality Meters
Automotive Testing Equipment
Water Quality Meters
4 in 1 H2S EX O2 CO Gas Leak Detector Analyzer Audible Light Vibration Alarm Natural Methane IP68 Protection Level Gas Sensor
$49.65 - $55.16
Min. Order: 5 pieces
Wallmounted Digital Sound Level Meter Decibel Noise 30~130dB Range Colored Display Temperature Humidity for Office Home Hospital
$25.64 - $28.93
Min. Order: 5 pieces
Air Conditioning Refrigerant Leak Detector Heating Diode Detection High Sensitivity Buzzer Alarm for Pipeline Repair Car Repair
$66.91 - $74.35
Min. Order: 5 pieces
Factory Direct Sales IP68 Waterproof Underwater Plants Reef Tanks Full Spectrum Light Quantum Par Meter ppfd
$73.99 - $95.90
Min. Order: 1 piece
Digital Lux Light Meter Luminous High Precision Illuminometer Tester Photometer Lx FC Measurement School Photography Hospital
$5.49 - $6.60
Min. Order: 5 pieces
Advanced Digital PAR Meter Light Intensity Full-Spectrum Quantum PPFD Tester Indoor & Outdoor Plant Photosynthetic Activity
$57.83 - $64.25
Min. Order: 5 pieces
5 in 1 Air Quality Monitor Carbon Monoxide CO Carbon Dioxide CO2 TVOC Humidity and Temperature Detector NDIR Sensor Office Home
$21.42 - $24.18
Min. Order: 1 piece
CO2 Meter Detector w/ NDIR Sensor Air Quality Monitoring 9-in-1 Portable Tester CO2, PM2.5/10, HCHO, TVOC, AQI, Temperature
$86.18 - $95.50
Min. Order: 5 pieces
CO2 Controller Carbon Dioxide Control CO2 Meter Monitor Day and Night Relay Function NDIR C02 Sensor for Green House Grow Rooms
$90.00 - $107.90
Min. Order: 1 piece
Digital CO2 Controller Greenhouse CO2 Sensor 4.5m Remote Automatic Day-Night Detection Functionality Grow Rooms Homes Offices
$93.90 - $108.90
Min. Order: 1 set
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 Controller Carbon Dioxide Controller C02 Meter Monitor with Relay Function 4.5m Cable NDIR Sensor for Grow Plant Greenhouse
$90.00 - $107.90
Min. Order: 1 piece
Automotive Noise Vibration Finder Electronic Stethoscope Battery Powered High Sensitivity Long Short Probe 100Hz~10kHz Range
$31.63 - $35.70
Min. Order: 1 piece
Wireless Window Tint Meter 0-100% Infrared Light Transmittance Transmission Measuring Gauge Tester Transparency for Car Plastics
$130.12 - $140.26
Min. Order: 1 piece
Shore D Hardness Meter Tester Machine Metal Thickness Gauge 0~100HD Range Rubber Plastics High Quality
$16.64 - $18.78
Min. Order: 5 pieces
Digital Non-Contact Laser Tachometer Wide Range 0.1~99999PRM Rotational Speed Distance Temperature Meter with Backlight
$11.65 - $14.26
Min. Order: 1 piece
Force Gauge Digital 10K Meter Newtonmeter Magnitude Test Tester for Textile, Auto Parts, Electronics, Building Hardware
$120.48 - $129.87
Min. Order: 5 pieces
Digital Tint Meter Window Tint Tool ATC Measuring VL Visible Light UV IR Transmittance Rejection Of Solar Film Stick-film Glass
$62.28 - $69.20
Min. Order: 5 pieces
Digital PH Temperature Meter Pentype Water Quality Tester Replaceable Sensor Colored Screen for Lab Agriculture Food Processing
$17.80 - $23.90
Min. Order: 1 piece
Digital Mini Portable pH Monitor Meter 0~14.00pH Range Replaceable BNC Probe Electrode for Spa Tank Pool Laboratories
$14.99
Min. Order: 10 pieces
PHC-402 pH Meter Controller W/ Temperature Readings Dual Relay Function for Hydroponic Nutrient Mixes & Fish Aquariums
$157.91 - $175.30
Min. Order: 1 piece
Digital pH Controller Dual Relay Output Temperature Compensation Adjustable pH 4.5-8.5 Ideal Aquariums Hydroponics Indoor Plant
$157.91 - $175.30
Min. Order: 1 piece
Digital pH Controller Dual Relay UP and DOWN Adjustable Dosing 2-Point Automatic Calibration Ideal for Aquariums and Hydroponics
$157.91 - $175.30
Min. Order: 1 piece
Digital Combo Temperature & pH Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function pH Meter
$20.66 - $23.32
Min. Order: 1 piece
Top-ranking products
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Co2 Sensor
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
Shipping to be negotiated
Min. Order: 1 set
8 orders
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Co2 Sensor
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
Shipping to be negotiated
Min. Order: 1 set
8 orders
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Pocket Diamond Tester UV Light Gemstone Tool Selector 2pt Stones Compact Design Audible Warning Sound Buzzer With Vinyl Pouch
$29.75 - $33.57
Shipping to be negotiated
Min. Order: 2 pieces
Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool Equipment
$73.75 - $81.94
Shipping to be negotiated
Min. Order: 2 pieces
7 orders
LUCKY FF918-CWLS Color Display Bait Boat Fish Finder with 300m/980ft Wireless Operating Range(OEM Packaging Available)
$99.45 - $115.90
Shipping to be negotiated
Min. Order: 1 set