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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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ORP Redox Electrode 0-1999 MV for ORP Meter Tester 300cm cable With BNC Socket (OEM packaging available)
$16.16 - $18.24
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Pentype Digital Water Tester 999mV ORP Meter Redox Waterproof Industrial Laboratory Use (OEM Packaging Available)
$37.10
Shipping to be negotiated
Min. Order: 30 sets
ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Swimming Pools, Aquaculture
$13.53 - $15.27
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Replaceable ORP Redox Electrode 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable
$18.30 - $21.90
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Redox Meter -1999mV~1999mV Millivolts Backlight LCD Pool Aquarium ORP Water Quality Digital Pen-type Tester
$12.06 - $14.51
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Digital Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV Accuracy
$22.50
Shipping to be negotiated
Min. Order: 5 pieces
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
Digital ORP Redox Meter Tester -1999~1999mV, 1-point Calibration for Aquariums, Pools, Spa (OEM Packaging Available)
$15.04 - $16.97
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Digital ORP Meter Redox Water Quality Tester for Laboratory, Aquarium, Pool, Spas, Hospital Etc (OEM Packaging Available)
$22.50
Shipping to be negotiated
Min. Order: 5 sets
Digital ORP Temperature Meter Redox Thermometer Tester -1999mV~1999mV Pool Aquarium
$19.20 - $22.00
Shipping to be negotiated
Min. Order: 20 pieces
Smart PH ORP Redox Controller Tester With Monitoring and Dosing Wireless App Remote Online Monitor (OEM Packaging Available)
$46.54 - $51.71
Shipping: $19.89/piece
Min. Order: 5 pieces
Add to cart
6-in-1 Pen type pH Water Quality Meter Temperature Conductivity ORP TDS Salinity Tester with ORP probe(OEM packaging available)
$97.56 - $108.11
Shipping: $31.80/set
Min. Order: 1 set
1 sold
Add to cart
2-in-1 ORP Redox Temperature Thermometer Water Quality Meter Tester (OEM Packaging Available)
$19.20 - $22.00
Shipping to be negotiated
Min. Order: 20 sets
Digital Pen-type Redox Meter Tester -1999mV~1999mV Millivolts Water Quality Backlight LCD (OEM Packaging Available)
$12.06 - $14.51
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Handheld pH Hydroponic Dipstick Meter Tester Waterproof w/ ATC + Built in ATC 2.1~10.8pH Range
$18.02
Shipping: $5.07/piece
Min. Order: 10 pieces
Add to cart
2-in-1 Multifunction High Precision ORP Meter pH meter Water Quality Tester IP67 Waterproof (OEM Packaging Available)
$18.30 - $18.34
Shipping to be negotiated
Min. Order: 50 sets
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