Alibaba.com
Sourcing solutions
Services & Membership
Help
On Alibaba
Sign in
Join for free
My Alibaba
My Alibaba
Message Center
Manage RFQ
My Orders
My Account
Submit RFQ
Get multiple quotes within 24 hours!
Orders
0
Orders
Pending Payment
Pending Confirmation
Pending Actions
Trade Assurance
Learn more
Order with Trade Assurance
Favorites
0
Favorites
View all items
Sign in
to manage and view all items.
GAIN EXPRESS HOLDINGS LIMITED
HK
12
YRS
Main categories: industrial Endoscope,PH meter,Refractometer,Fish Finder,Lux Meter
Contact supplier
Chat Now
Home
Products
See all categories
Profile
Company Overview
Ratings & Reviews
Contacts
New Arrival
Top picks
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
High Sensitivity Handheld Precision Combustible Methane Propane Gas Leak Detector Alarm Sensor 40-640ppm Range
$61.83
/
piece
50 pieces
(Min. Order)
Brix Refractometer ATC High-Concentrated Sugar Solution Content Test 0-32% Homebrew Tester Meter (OEM Packaging Available)
$8.64 - $10.40
/
set
1 set
(Min. Order)
6 in 1 Professional Multi-parameter Water Quality Monitor Tester pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter
$62.16
/
piece
5 pieces
(Min. Order)
6 in 1 Professional Multi-parameter Digital Multi-function Water Quality Monitor Tester pH/ ORP/ EC/ CF/ TDS PPM/ Temperature
$62.16
/
piece
5 pieces
(Min. Order)
Portable Film Coating Thickness Gauge Tester Meter 0~1.80mm/0-~71.0 mil Non-magnetic Coat (OEM Packaging Available)
$13.54
/
set
10 sets
(Min. Order)
Portable Film Coating Thickness Gauge Tester Meter, Automotive Car Nondestructive, Car Trading, Inspection, Non-magnetic Coat
$13.54
/
piece
10 pieces
(Min. Order)
Soil PH, Moisture & Light Meter for Garden Farm Lawn Household Indoor Outdoor (Silver)
$3.74
/
piece
20 pieces
(Min. Order)
Soil pH, Moisture & Light Meter 3 Way Tester Kit Plants Growth Watering Quality Monitoring Checker Gardening Acidity Probe Test
$3.51
/
piece
20 pieces
(Min. Order)
All products
Customizable
Ready to Ship
Home Search
{0} results found for {1}
Sort by:
Recommended
New
Orders
Supplier selected
1
Selected products (0/20)
Contact supplier
Click {0} to select products that you want to inquire about before clicking the Contact supplier button.
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
/
set
1 set
(Min. Order)
Digital Non-Invasive Inductive LED 4-in-1 Tester Wood Drywall Masonry Moisture Meter
$15.71 - $17.80
/
piece
1 piece
(Min. Order)
Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester CO2 Meter
$93.50 - $103.90
/
piece
1 piece
(Min. Order)
NEW Carbon Dioxide Monitor CO2 Controller w/ 4.6 Meters Dual Beam NDIR, Day Night Detector Sensor For Greenhouse, Mushrooms
$93.90 - $108.90
/
set
1 set
(Min. Order)
High Accuracy Measuring 30dB-130dB with Data Record Function Sound Level Meter with Backlit Display Compact Professional
$24.05 - $27.14
/
piece
5 pieces
(Min. Order)
Pen type pH & Temperature Meter 0.00-14.00pH & 0.0-55.0degC High Accuracy ATC +/-0.1pH Water Tester (OEM packaging available)
$13.30
/
set
10 sets
(Min. Order)
Digital K/J/T/E/R/S/N Type Thermocouple Thermometer Dual-channel Celsius and Fahrenheit -150~1767degC ATC Temperature Meter
$12.46 - $14.99
/
piece
1 piece
(Min. Order)
PH & Temperature 2-in-1 Continuous Monitor Meter w/ Backlight Dual Display 0.00~14.00pH degC/ degF for Aquariums Hydroponics
$18.35 - $20.71
/
piece
1 piece
(Min. Order)
Digital Multifunction Waterproof 360 degree Analog Quadrant Display Angle Finder Gauge Meter (OEM Packaging Available)
$19.73 - $22.27
/
set
1 set
(Min. Order)
Palm Digital Rebound Leeb Hardness Tester Gauge Meter for Metal Steel
$183.13 - $192.41
/
piece
1 piece
(Min. Order)
5in1 Digital Double Insulation Auto /Manual Ranges Multimeter Thermometer Lux Sound Hygrometer Meter
$37.10
/
piece
20 pieces
(Min. Order)
Digital Mini Portable pH Monitor Meter 0~14.00pH Range Replaceable BNC Probe Electrode for Spa Tank Pool Laboratories
$12.46 - $14.99
/
piece
1 piece
(Min. Order)
6 in 1 Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter Water Quality Meter (OEM Packaging Available)
$58.89
/
set
5 sets
(Min. Order)
Mini Digital Metal Coating Thickness Gauge Car Paint Tester Automotive Tool Colored Screen High Definition Measurement Meter
$74.37 - $82.41
/
piece
1 piece
(Min. Order)
Digital Carbon Dioxide Temperature Humidity CO2 Monitor WB DP Tester Handheld CO2 Meter (OEM Packaging Service Available)
$93.50 - $103.90
/
set
1 set
(Min. Order)
Ultrasonic Metal Steel Aluminum Thickness Gauge Meter with USB Port Internal Memory 100,000 Data LCD Auto Probe Zero Calibration
$356.30 - $425.90
/
piece
1 piece
(Min. Order)
SRT-6223 Digital Surface Profile Gauge Roughness Tester Meter w/ 0~800 um Measuring Range
$226.67 - $258.90
/
piece
1 piece
(Min. Order)
Multi Channel Vibration Meter,10Hz~10kHz Piezoelectric Sensor Transducer Digital Velo city Acceleration Displacement Meter
$421.69 - $443.04
/
piece
1 piece
(Min. Order)
Brix Refractometer ATC High-Concentrated Sugar Solution Content Test 0-32% Homebrew Tester Meter (OEM Packaging Available)
$8.64 - $10.40
/
set
1 set
(Min. Order)
Digital Ultrasonic Thickness Meter 0.75~400mm for Material Measurement Quartz Glass PVC Polyethylene Testing Measuring Tool
$168.67 - $181.82
/
piece
5 pieces
(Min. Order)
3-in-1 Pentype EC, pH & Temperature Meter 0.01mS/cm Resolution ATC Water Quality Tester (OEM Packaging Available)
$21.08
/
set
10 sets
(Min. Order)
Luxmeter Digital Light Tester Photometer up to 200,000 Lux Radiometer Illuminometer Handheld Light Meter w/ Thermosistor Probe
$9.45 - $11.37
/
piece
1 piece
(Min. Order)
2-in-1 PH & Temperature 0.00~14.00pH degC/ degF Continuous Monitor Meter w/ Backlight Dual Display (OEM Packaging Available)
$18.35 - $20.71
/
set
1 set
(Min. Order)
0~80% Alcohol Refractometer w/ ATC Optical Handheld Concentration Tester Meter (OEM Packaging Available)
$8.84 - $10.64
/
set
1 set
(Min. Order)
Portable Film Coating Thickness Gauge Tester Meter 0~1.80mm/0-~71.0 mil Non-magnetic Coat (OEM Packaging Available)
$13.54
/
set
10 sets
(Min. Order)
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
/
piece
1 piece
(Min. Order)
30~130 dB Decibel w/ Software /Multifunctional Digital Sound Noise Level Meter
$60.00 - $66.67
/
piece
1 piece
(Min. Order)
Non Contact Infrared IR Laser -50~550degC/-58~1022degF Thermometer Cooking, Automotive, Field Instant Read Industrial Meter
$10.00 - $11.90
/
piece
40 pieces
(Min. Order)
Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Making
$8.84 - $10.64
/
piece
1 piece
(Min. Order)
0-32% Brix Refractometer ATC High-Concentrated Sugar Solution Content Test Tool 0.2% Division, Homebrew Tester Meter
$8.64 - $10.40
/
piece
1 piece
(Min. Order)
2in1 Digital Angle Finder Meter/ Protractor Stainless Steel with Moving Blade Ruler 360 degree 400mm 0~999.9 degree Range
$13.34 - $15.05
/
piece
1 piece
(Min. Order)
LUCKY Portable Digital Wired 12M Cable Fish Finder 0.7-100M Transducer Sensor Depth Fishing Meter (OEM Packaging Available)
$22.50 - $25.80
/
set
20.0 sets
(Min. Order)
Probe -50 ~ 270C & F Digital Food Cooking like Meat and Barbeque Kitchen Thermometer Temperature Meter
$10.03
/
piece
50 pieces
(Min. Order)
Pentype Digital Salinity & Temperature Meter with ATC NaCl 70.0ppt Calibration Solution for Saltwater Aquarium Hydroponics
$22.81 - $25.74
/
piece
1 piece
(Min. Order)
3-in-1 pH, EC & TDS Conductivity Monitor Water Quality Meter for Aquaculture, Aquarium, Hydroponics(OEM Packaging Available)
$49.90 - $57.80
/
set
15 sets
(Min. Order)
6 in 1 Professional Multi-parameter Water Quality Monitor Tester pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter
$62.16
/
piece
5 pieces
(Min. Order)
Handheld High Accuracy Portable 3-in-1 Digital Pen-type Water Quality Conductivity TDS Meter, ppm ppt uS mS C/F
$22.71
/
piece
50 pieces
(Min. Order)
Salinity Refractometer ATC 0-100ppt (0-10%) & 1.000-1.070 SG Dual Scale Seawater Salt Meter (OEM Packaging Available)
$8.64 - $10.40
/
set
1 set
(Min. Order)
Smart Air Detector Analyzer Air Quality Monitor CO2 Meter, TVOC, Humidity, Temperature, PM2.5, PM1.0 W/ Relay Output APP Control
$79.27 - $87.84
/
piece
5 pieces
(Min. Order)
2in1 Digital Angle Finder Meter/Protractor 400mm Stainless Steel w/ Moving Blade Ruler (OEM Packaging Available)
$13.34 - $15.05
/
set
1 set
(Min. Order)
Display similar products
1
2
3
4
5
6
...
14
1
/14
Go to
Page
Go