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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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New Arrival
00:24
GAINEXPRESS 8-in-1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester
US $41.52 - 46.14
/
piece
00:22
Water Quality Tester 4-in-1 TDS Temperature S.G Salt Salinity Meter with ATC for Testing Drinking Water, Aquaculture, Aquarium
US $9.38 - 11.28
/
piece
00:22
6-in-1 Multimeter AC Voltage & Current Frequency Factor Electrical Power Consumption Watt Meter Tester (OEM Packaging Available)
US $14.53 - 14.53
/
piece
00:24
Smart Wifi CO2 Detector Monitor Air Quality Indoor Temperature & Humidity Tester NDIR Sensor for Grow Tent, Mushroom, Home
US $34.93 - 38.81
/
piece
00:24
Data Logger Thermo-hygrometer Thermometer Temperature and Humidity Datalogging Measurement w/ PC Software and Calendar Display
US $29.56 - 33.36
/
piece
00:24
Best Quality Pintype Wood Moisture Meter Humidity Tester Detector With Alert Function for Plaster, Drywall, Concrete Floors
US $10.65 - 12.81
/
piece
00:24
Insulation Resistance Tester 250V / 500V / 1000V Output Voltage Megohmmeter Large LCD Display w/ Blacklight and Buzzer Alarm
US $25.32 - 28.57
/
piece
00:22
Grain Moisture Meter Water Content Analyzer with 9" Metal Probe for 14 Grains Wheat Corn Rice Peanut Soybean
US $10.11 - 12.16
/
piece
00:22
Professional Networking Cable Tester Inspection Device Tracer Wire Tracker With Earphone for Telephone, Internet, Wiring
US $17.95 - 20.25
/
piece
00:24
Socket Tester Outlet Polarity Detector With LED Light Test Indicator Wiring Tool for Standard Outlets Receptacles
US $2.69 - 3.24
/
piece
00:24
EMF Meter Electromagnetic Radiation Detector 5Hz~3.5GHz Rechargeable EMF Detector Temperature Tester
US $13.9 - 15.69
/
piece
00:24
Dual Differential Manometer Gas Pressure Tester Meter, Backlight 12 Selectable Units Air Pressure Gauge W/ Data Storage Function
US $32.5 - 36.11
/
piece
00:24
Smart Air Detector Analyzer Air Quality Monitor CO2 Meter, TVOC, Humidity, Temperature, PM2.5, PM1.0 W/ Relay Output APP Control
US $79.27 - 87.84
/
piece
00:22
PH ORP Controller with Monitoring and Dosing pH Meter Redox Temp Tester Wireless App Remote Online Monitor
US $46.54 - 51.71
/
piece
00:22
6-in-1 Smart Water Quality Meter pH / EC / TDS / Salinity / SG / Temperature with Easy Calibration 24Hrs Online APP Monitoring
US $29.76 - 33.59
/
piece
00:24
Digital Socket Tester Receptacle Detector with Red Light Test Result Indicator Outlet for GFCI / Standard 3-Wire 120V Receptacle
US $5.66 - 6.81
/
piece
00:24
Digital Pentype pH Meter 7-in-1 PH / TDS / EC / ORP / Salinity / S.G. / Temperature Meter for Drinking Water, Aquariums, Pool
US $15.02 - 16.95
/
piece
00:22
OEM Packaging Available - Fish Finder Wireless Sonar Sensor 45 meters (147 feet) / 0.7 meters (2 feet) Depth LCD Display
US $50.53 - 56.14
/
set
00:24
Digital Mini Laser Range Finder Distance Meter 0.05m~50m with Large Multi-line Display
US $18.82 - 21.24
/
piece
00:19
Digital handheld Inductive Anemometer Wind Speed Humidity Temperature Sensor with Backlight
US $13.4 - 16.46
/
piece
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