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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
Digital Wood Moisture Meter Tester, 4 Pin, 5% - 40%, NEW DESIGN
$10.00 - $11.90
(Min. Order) 50 pieces
Digital Pen-type Redox Meter Tester -1999mV~1999mV Millivolts Water Quality Backlight LCD (OEM Packaging Available)
$12.06 - $14.51
(Min. Order) 1 set
Pen-Type pH Meter Water Quality Tester with Backlight Digital and Portable
$2.38 - $2.64
(Min. Order) 1 piece
Digital Protractor Angle Gauge Finder 4 x 90degree Bevel Box Inclinometer Level Meter Pocket Size (OEM Packaging Available)
$12.29
(Min. Order) 100 sets
Pentype Digital Water Tester 999mV ORP Meter Redox Waterproof Industrial Laboratory Use (OEM Packaging Available)
$37.10
(Min. Order) 30 sets
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
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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
23 orders
Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester CO2 Meter
$93.50 - $103.90
Shipping: $44.40/piece
Min. Order: 1 piece
10 sold
Add to cart
NEW Carbon Dioxide Monitor CO2 Controller w/ 4.6 Meters Dual Beam NDIR, Day Night Detector Sensor For Greenhouse, Mushrooms
$93.90 - $108.90
Shipping: $37.30/set
Min. Order: 1 set
90 sold
Add to cart
Digital Carbon Dioxide Temperature Humidity CO2 Monitor WB DP Tester Handheld CO2 Meter (OEM Packaging Service Available)
$93.50 - $103.90
Shipping: $44.40/set
Min. Order: 1 set
21 sold
Add to cart
High Accuracy Measuring 30dB-130dB with Data Record Function Sound Level Meter with Backlit Display Compact Professional
$24.05 - $27.14
Shipping: $10.14/piece
Min. Order: 5 pieces
Add to cart
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
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Digital Non-Invasive Inductive LED 4-in-1 Tester Wood Drywall Masonry Moisture Meter
$15.71 - $17.80
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
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
Shipping to be negotiated
Min. Order: 10 sets
Digital Mini Portable pH Monitor Meter 0~14.00pH Range Replaceable BNC Probe Electrode for Spa Tank Pool Laboratories
$12.46 - $14.99
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
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
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Digital Multifunction Waterproof 360 degree Analog Quadrant Display Angle Finder Gauge Meter (OEM Packaging Available)
$19.73 - $22.27
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Palm Digital Rebound Leeb Hardness Tester Gauge Meter for Metal Steel
$183.13 - $192.41
Shipping: $74.70/piece
Min. Order: 1 piece
Add to cart
Mini Digital Metal Coating Thickness Gauge Car Paint Tester Automotive Tool Colored Screen High Definition Measurement Meter
$74.37 - $82.41
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
6 in 1 Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter Water Quality Meter (OEM Packaging Available)
$58.89
Shipping to be negotiated
Min. Order: 5 sets
Ultrasonic Metal Steel Aluminum Thickness Gauge Meter with USB Port Internal Memory 100,000 Data LCD Auto Probe Zero Calibration
$356.30 - $425.90
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
SRT-6223 Digital Surface Profile Gauge Roughness Tester Meter w/ 0~800 um Measuring Range
$226.67 - $258.90
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
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