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ORP - 1 ORP - 1 ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter Monitor Controller Oxidation Reduction Potential Check, 14cm Long 1.2cm Diameter 300cm Extra Long Cable - Gain Express

ORP-1 ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter Monitor Controller Oxidation Reduction Potential Check, 14cm Long 1.2cm Diameter 300cm Extra Long Cable

PH - 803_EU PH - 803 Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control, Electrode Probe BNC, Water Quality Meter Online Continuous Measurement Kit, for Aquarium Hydroponics Plant Pool Spa - Gain Express

PH-803 Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control, Electrode Probe BNC, Water Quality Meter Online Continuous Measurement Kit, for Aquarium Hydroponics Plant Pool Spa

JEM - II JEM - II Diamond Tester with Ultraviolet (UV) Light - Gain Express

JEM-II Diamond Tester with Ultraviolet (UV) Light

CO87 CO87 Desktop Indoor Air Quality Monitor Carbon Dioxide (CO2) Temperature Humidity %RH 0~2000ppm Range - Gain Express

CO87 Desktop Indoor Air Quality Monitor Carbon Dioxide (CO2) Temperature Humidity %RH 0~2000ppm Range

For Bulk Order Only. Please Contact Us.

560 - 10D 560 - 10D Shore D Digital Hardness Meter Durometer 0~100HD Pocket Size Tester with LCD Display - Gain Express

560-10D Shore D Digital Hardness Meter Durometer 0~100HD Pocket Size Tester with LCD Display

GM11 GM11 Mini 10X Jeweler Loupe Magnifier + LED & UV light, 21mm lens - Gain Express

GM11 Mini 10X Jeweler Loupe Magnifier + LED & UV light, 21mm lens

ECM - 231_EU ECM - 231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real - time Continuous Monitoring, Rechargeable, for Aquaculture, Aquarium, Pond, Hydroponics - Gain Express

ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable, for Aquaculture, Aquarium, Pond, Hydroponics

Gain Express VA8041 Ultrasonic Thickness Meter Tester Gauge Measure 1.2~220 mm Velocity Digital LCD for metal steel aluminum copper glass iron plastics tile brass gold silver zinc

VA8041 Ultrasonic Thickness Meter Tester Gauge Measure 1.2~220 mm Velocity Digital LCD for metal steel aluminum copper glass iron plastics tile brass gold silver zinc

Wqm-243 6 In 1 Professional Multi-Parameter Ph/ Orp Redox/ Ec/ Cf/ Tds Ppm/ Temperature Combo

WQM-243 6 in 1 Professional Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

$Reb-90Atc 3-In-1 Honey Refractometer Brix/moisture/baume Tester Meter Atc Tri-Scale$

REB-90ATC 3-in-1 Honey Refractometer Brix/Moisture/Baume Tester Meter ATC, Tri-Scale 58-90%/12-27%/38-43Be', Sugar Water Content Level Beekeeping Maple Syrup, Test Kit w/Calibration Oil & Block

837 - 1 837 - 1 Salinity & Temp Meter, Pen Type Salt Water Quality Tester ATC NaCl 0~70 ppt, Handheld Measurement Monitor Tester, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing - Gain Express

837-1 Salinity & Temp Meter, Pen Type Salt Water Quality Tester ATC NaCl 0~70 ppt, Handheld Measurement Monitor Tester, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing

AG - 0200BB AG - 0200BB Digital 360° (±180°) Bevel Box / Inclinometer with Magnets Protractor Angle Finder 0.1° Accuracy IP54 Rate - Gain Express

AG-0200BB Digital 360° (±180°) Bevel Box / Inclinometer with Magnets Protractor Angle Finder 0.1° Accuracy IP54 Rate

GM10 GM10 Mini 10X Jeweler Loupe Magnifier + 6 LED light, 21mm lens - Gain Express

GM10 Mini 10X Jeweler Loupe Magnifier + 6 LED light, 21mm lens

68022 68022 Digital 2 Channels K - Type Thermometer 2 Thermocouples - 50~1300°C ( - 58~2372°F) Handheld High Temperature Kelvin Scale Dual Measurement Meter Sensor - Gain Express

68022 Digital 2 Channels K-Type Thermometer 2 Thermocouples -50~1300°C (-58~2372°F) Handheld High Temperature Kelvin Scale Dual Measurement Meter Sensor

ND9B ND9B Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Accuracy Check with Backlight - Gain Express

ND9B Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Accuracy Check with Backlight

7530_EU 7530 Digital CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function 4.5M Cable NDIR Sensing Probe for Green House Home, Office, Factory - Gain Express

7530 Digital CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function 4.5M Cable NDIR Sensing Probe for Green House Home, Office, Factory

E04 - 025 E04 - 025 Digital Non - Magnetic Coating Thickness Gauge Car Painting Thickness Meter Tester Mini Handheld Tool - Gain Express

E04-025 Digital Non-Magnetic Coating Thickness Gauge Car Painting Thickness Meter Tester Mini Handheld Tool

For Bulk Order Only. Please Contact Us.

68022_2P 68022_2P Digital 2 Channels K - Type Thermometer w/ 4 Thermocouples (Wired & Stainless Steel), - 50~1300°C ( - 58~2372°F) Handheld Desktop High Temperature Kelvin Scale Dual Measurement Meter Sensor - Gain Express

68022_2P Digital 2 Channels K-Type Thermometer w/ 4 Thermocouples (Wired & Stainless Steel), -50~1300°C (-58~2372°F) Handheld Desktop High Temperature Kelvin Scale Dual Measurement Meter Sensor

Wtm-1100 Window Tint Meter Visual Light Transmission 18Mm Thickness Continuous Measuring

WTM-1100 Window Tint Meter Visual Light Transmission 18mm Thickness Continuous Measuring

GM21 GM21 Mini Jeweler Loupe 20X Magnifier + LED & UV light 21mm lens - Gain Express

GM21 Mini Jeweler Loupe 20X Magnifier + LED & UV light 21mm lens

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