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GAIN EXPRESS HOLDINGS LIMITED
HK
13
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
Soil PH Meter With Pointer Sensor For Gardener Indoor Outdoor Garden Farm Lawn Household
$9.19
(Min. Order) 30 pieces
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
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Online PH/EC Monitor Meter Tester ATC Multi Parameter Water Quality Rechargeable Real-time Monitoring (OEM Packaging Available)
$20.70 - $23.36
Shipping: $31.80/set
Min. Order: 1 set
Add to cart
6-in-1 Smart Water Quality Meter pH / EC / TDS / Salinity / SG / Temperature with Easy Calibration 24Hrs Online APP Monitoring
$29.76 - $33.59
Shipping: $16.14/piece
Min. Order: 5 pieces
Add to cart
Smart Water Quality Meter 6-in-1 pH / EC / TDS / Salinity / SG / Temperature Online APP Monitoring (OEM Packaging Available)
$29.76 - $33.59
Shipping: $16.14/piece
Min. Order: 5 pieces
Add to cart
6-in-1 Pen type Water Quality Tester Multi-Parameter pH meter Temp. EC ORP TDS SAL Optional ORP Probe(OEM available)
$73.17 - $81.08
Shipping: $31.80/set
Min. Order: 1 set
5 sold
Add to cart
pH / EC / Temperature Meter ATC 3 in 1 Waterproof Combo Multi-Parameter Tester Pool Spa Drinking Purity
$15.80 - $17.83
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Online PH/EC Conductivity Monitor Meter Tester ATC, Wall Mountable & Rechargeable, Water Quality Real-time Continuous Monitoring
$20.70 - $23.36
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
pH / EC / Temperature Meter ATC 3 in 1 Waterproof Combo Multi-Parameter Tester Pool Spa Drinking Purity(OEM packaging available)
$15.80 - $17.83
Shipping: $28.00/set
Min. Order: 1 set
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
Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Aquarium, Pond, Hydroponic
$21.05 - $23.76
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
3-in-1 pH, EC & TDS Conductivity Monitor ATC, Digital Water Quality Meter Tester Multi-Parameter, 3.5" Large Dual Display
$49.90 - $57.80
Shipping to be negotiated
Min. Order: 15 pieces
3-in-1 Pentype EC, pH & Temperature Meter 0.01mS/cm Resolution ATC Water Quality Tester (OEM Packaging Available)
$21.08
Shipping to be negotiated
Min. Order: 10 sets
Digital Pentype pH Meter 7-in-1 PH / TDS / EC / ORP / Salinity / S.G. / Temperature Meter for Drinking Water, Aquariums, Pool
$15.02 - $16.95
Shipping: $6.36/piece
Min. Order: 5 pieces
Add to cart
3-in-1 pH, EC & TDS Conductivity Monitor Water Quality Meter for Aquaculture, Aquarium, Hydroponics(OEM Packaging Available)
$49.90 - $57.80
Shipping to be negotiated
Min. Order: 15 sets
6 in 1 Professional Multi-parameter Water Quality Monitor Tester pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter
$62.16
Shipping to be negotiated
Min. Order: 5 pieces
NEW Pentype 7-in-1 PH Meter TDS/EC/ORP/Salinity/S.G./Temp. Tester For Drinking Water, Aquariums, Pool (OEM Packaging Available)
$15.02 - $16.95
Shipping: $6.36/piece
Min. Order: 5 pieces
Add to cart
Smart Water Quality Tester PH/ ORP/ EC/ Free Chlorine/ Salinity/ Temperature, 6-in-1 Floating Tester (OEM Packaging Available)
$29.84 - $33.67
Shipping: $10.14/piece
Min. Order: 5 pieces
Add to cart
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