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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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Indoor Air Quality Monitor All-in-1 CO2 & Temperature & Humidity Level Meter Mountable w/ NDIR Sensor (OEM Packaging Available)
$120.73 - $133.78
Shipping: $16.14/set
Min. Order: 5 sets
Add to cart
All-in-1 Accurate Mountable Indoor Air Quality Monitor, Real-time CO2 & Temperature & Humidity Level with Visual & Alarm
$120.73 - $133.78
Shipping: $16.14/piece
Min. Order: 5 pieces
Add to cart
3-in-1 CO2 Carbon Dioxide Sensor Desktop Indoor Air Quality Data logger Humidity RH Monitor (OEM Packaging Available)
$83.00
Shipping to be negotiated
Min. Order: 50 sets
CO2 Carbon Dioxide Monitor & Controller (Relay Function) w/ Remote Sensor for Home, Office, Hospital (OEM Packaging Available)
$93.90 - $108.90
Shipping to be negotiated
Min. Order: 1 piece
5 orders
Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom, Rooms, Offices, Classroom
$63.89
Shipping to be negotiated
Min. Order: 5 pieces
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
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
Indoor Air Quality IAQ Meter CO2, CO, Humidity RH%, Temperature, DP, WB, USB Data Logger(OEM Packaging Service Available)
$237.35 - $249.37
Shipping: $44.40/set
Min. Order: 1 set
Add to cart
Smart Wifi CO2 Detector Monitor Air Quality Indoor Temperature & Humidity Tester NDIR Sensor for Grow Tent, Mushroom, Home
$34.93 - $38.81
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
CO2 Carbon Dioxide Monitor Indoor Air Quality Meter Tester 400~5000PPM Wall Mount / Tabletop Colored Screen Display NDIR Sensor
$16.96 - $19.14
Shipping: $7.46/piece
Min. Order: 5 pieces
Add to cart
Digital 3-in1 CO2 Carbon Dioxide Sensor Desktop Indoor Air Quality Data logger Temperature Relative Humidity w/ CD & Software
$83.00
Shipping to be negotiated
Min. Order: 50 pieces
Smart CO2 Detector Monitor Air Quality Indoor Temperature & Humidity Tester NDIR Sensor (OEM Packaging Available)
$34.93 - $38.81
Shipping: $12.55/piece
Min. Order: 5 pieces
Add to cart
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