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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
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
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Water Quality Meters
Electrode (pH / ORP)
1
Selected products (0/20)
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pH Electrode Probe BNC Connector 200cm Long Cable for PH Meter Monitor Controller Test Sensor, Replaceable for Aquarium, Spa
$4.81 - $5.79
/
piece
1 piece
(Min. Order)
ORP REDOX Electrode 50 OHM BNC Type Connector for ORP Meter Tester Monitor Controller -2000~2000mV Measure w/ 200cm
$7.31 - $8.80
/
piece
1 piece
(Min. Order)
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor Plant Pool Spa
$8.42 - $10.13
/
piece
1 piece
(Min. Order)
50 Ohm PH Probe with BNC Connector, 150cm Long Cable 0-14pH Test Sensor Electrode for PH Meter Monitor Controller
$8.78
/
piece
50 pieces
(Min. Order)
Single Cylinder pH Electrode/ plus BNC Long Cable 2 Calibration Solutions 0.00~14.00PH Measuring Range
$7.50 - $10.50
/
piece
30.0 pieces
(Min. Order)
Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer Solution
$8.04 - $9.67
/
piece
1 piece
(Min. Order)
ORP Redox Electrode, BNC Type Connector Replacement Probe 300cm Extra Long Cable 14cm Long 1.2cm Diameter
$16.16 - $18.24
/
piece
1 piece
(Min. Order)
Replaceable ORP Redox Electrode 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable
$18.30 - $21.90
/
piece
1 piece
(Min. Order)
200cm Long pH Electrode w/ Calibration Powder, BNC Cable Connector for Continuous Liquid Measurement (OEM Packaging Available)
$10.53 - $12.67
/
piece
5 pieces
(Min. Order)
Water Quality Long pH Electrode w/ 50 Ohm 150cm BNC Connector Cable & Calibration Powder for Sea Water and Acid Rain
$8.00
/
piece
500 pieces
(Min. Order)
High Accuracy pH Electrode with Calibration Powder, 0-14 pH Glass Bulb Probe with BNC Connector 300cm Cable
$7.80
/
piece
500 pieces
(Min. Order)
1