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GS-PS1 Desktop Standing Polariscope Built-in LED Rotatable Platform 2 Glass Filter

GS - PS1_US GS - PS1 Desktop Standing Polariscope Built - in LED Rotatable Platform 2 Glass Filter - Gain Express GS - PS1_US GS - PS1 Desktop Standing Polariscope Built - in LED Rotatable Platform 2 Glass Filter - Gain Express

GS-PS1 Desktop Standing Polariscope Built-in LED Rotatable Platform 2 Glass Filter

837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater

837 - 2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95 - 1.08 SG Measurement Units 3 - in - 1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater - Gain Express 837 - 2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95 - 1.08 SG Measurement Units 3 - in - 1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater - Gain Express

837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater

T91 Gauss EMF ELF Meter Detector Electromagnetic Field mG

T91 Gauss EMF ELF Meter Detector Electromagnetic Field mG - Gain Express T91 Gauss EMF ELF Meter Detector Electromagnetic Field mG - Gain Express

T91 Gauss EMF ELF Meter Detector Electromagnetic Field mG

$80.90 USD

REW-80ATC Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Homebrew

REW - 80ATC REW - 80ATC Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Homebrew - Gain Express REW - 80ATC REW - 80ATC Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Homebrew - Gain Express

REW-80ATC Alcohol Refractometer with ATC 0~80% VOL Volume, Optical Handheld Concentration Tester Meter for Distilled Beverages Homebrew

$28.90 USD

N03NF-838 Network Cable Tester RJ45 RJ11 BNC 1394 Line Phone Wire Tracker

N03NF - 838 Network Cable Tester RJ45 RJ11 BNC 1394 Line Phone Wire Tracker - Gain Express N03NF - 838 Network Cable Tester RJ45 RJ11 BNC 1394 Line Phone Wire Tracker - Gain Express

N03NF-838 Network Cable Tester RJ45 RJ11 BNC 1394 Line Phone Wire Tracker

MC-7825G Digital Moisture Meter for wide range of grains

MC - 7825G MC - 7825G Digital Moisture Meter for wide range of grains - Gain Express MC - 7825G MC - 7825G Digital Moisture Meter for wide range of grains - Gain Express

MC-7825G Digital Moisture Meter for wide range of grains

$126.90 USD

CLMG-7206 Handheld 55mm Durable Small Diffraction Spectroscope Gem Stone Jeweler Tool Aluminum Material

CLMG - 7206 CLMG - 7206 Handheld 55mm Durable Small Diffraction Spectroscope Gem Stone Jeweler Tool Aluminum Material - Gain Express CLMG - 7206 CLMG - 7206 Handheld 55mm Durable Small Diffraction Spectroscope Gem Stone Jeweler Tool Aluminum Material - Gain Express

CLMG-7206 Handheld 55mm Durable Small Diffraction Spectroscope Gem Stone Jeweler Tool Aluminum Material

$42.90 USD

WTM-1000 Digital Window Tint Meter Light Transmittance Glass

WTM - 1000 Digital Window Tint Meter Light Transmittance Glass - Gain Express WTM - 1000 Digital Window Tint Meter Light Transmittance Glass - Gain Express

WTM-1000 Digital Window Tint Meter Light Transmittance Glass

$176.90 USD

HTM-49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet-bulb Temperature range -20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight

HTM - 49 HTM - 49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet - bulb Temperature range - 20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight - Gain Express HTM - 49 HTM - 49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet - bulb Temperature range - 20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight - Gain Express

HTM-49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet-bulb Temperature range -20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight

$32.90 USD

FFC-1108-1 Lucky Portable Fish Finder Sonar, TN/ Anti-UV LCD Display with Clear LED Backlight for Night Fishing, Wired Fishfinder with Alarm, 100M (328ft) Depth Detection, Turbid Water, Reservoir, Sea, River, lake, Boat Kayak Ice Fishing

FFC - 1108 - 1 Lucky Portable Fish Finder Sonar, TN/ Anti - UV LCD Display with Clear LED Backlight for Night Fishing, Wired Fishfinder with Alarm, 100M (328ft) Depth Detection, Turbid Water, Reservoir, Sea, River, lake, Boat Kayak Ice Fishing - Gain Express FFC - 1108 - 1 Lucky Portable Fish Finder Sonar, TN/ Anti - UV LCD Display with Clear LED Backlight for Night Fishing, Wired Fishfinder with Alarm, 100M (328ft) Depth Detection, Turbid Water, Reservoir, Sea, River, lake, Boat Kayak Ice Fishing - Gain Express

FFC-1108-1 Lucky Portable Fish Finder Sonar, TN/ Anti-UV LCD Display with Clear LED Backlight for Night Fishing, Wired Fishfinder with Alarm, 100M (328ft) Depth Detection, Turbid Water, Reservoir, Sea, River, lake, Boat Kayak Ice Fishing

$57.90 USD

GEM-247 15x 21mm Optic Glass Loupe 6 LED & UV Light Magnifier Jeweler Foldaway Pocket Black Frame Triplet Lens Magnifying Gem Jeweler Mechanics Photographer Hobbyist Watchmaker

GEM - 247 15x 21mm Optic Glass Loupe 6 LED & UV Light Magnifier Jeweler Foldaway Pocket Black Frame Triplet Lens Magnifying Gem Jeweler Mechanics Photographer Hobbyist Watchmaker - Gain Express GEM - 247 15x 21mm Optic Glass Loupe 6 LED & UV Light Magnifier Jeweler Foldaway Pocket Black Frame Triplet Lens Magnifying Gem Jeweler Mechanics Photographer Hobbyist Watchmaker - Gain Express

GEM-247 15x 21mm Optic Glass Loupe 6 LED & UV Light Magnifier Jeweler Foldaway Pocket Black Frame Triplet Lens Magnifying Gem Jeweler Mechanics Photographer Hobbyist Watchmaker

$31.90 USD

GEM-248 20x Loupe 21mm Optical Glass Magnifier 6 LED Light & UV Light Mini Magnification Jeweller Black Frame Triplet Lens Jeweler Mechanics Photographer Hobbyist Coin Collector Arts & Crafts Machinist

GEM - 248 GEM - 248 20x Loupe 21mm Optical Glass Magnifier 6 LED Light & UV Light Mini Magnification Jeweller Black Frame Triplet Lens Jeweler Mechanics Photographer Hobbyist Coin Collector Arts & Crafts Machinist - Gain Express GEM - 248 GEM - 248 20x Loupe 21mm Optical Glass Magnifier 6 LED Light & UV Light Mini Magnification Jeweller Black Frame Triplet Lens Jeweler Mechanics Photographer Hobbyist Coin Collector Arts & Crafts Machinist - Gain Express

GEM-248 20x Loupe 21mm Optical Glass Magnifier 6 LED Light & UV Light Mini Magnification Jeweller Black Frame Triplet Lens Jeweler Mechanics Photographer Hobbyist Coin Collector Arts & Crafts Machinist

$32.90 USD

88163 Digital Waterproof USB Datalogger Humidity Temperature and Pressure Barometric Data Logger gauge, generate PDF/Excel report LED indicator

88163 88163 Digital Waterproof USB Datalogger Humidity Temperature and Pressure Barometric Data Logger gauge, generate PDF/Excel report LED indicator - Gain Express 88163 88163 Digital Waterproof USB Datalogger Humidity Temperature and Pressure Barometric Data Logger gauge, generate PDF/Excel report LED indicator - Gain Express

88163 Digital Waterproof USB Datalogger Humidity Temperature and Pressure Barometric Data Logger gauge, generate PDF/Excel report LED indicator

$80.90 USD

REA-200ATC 3-in-1 Automotive Battery Antifreeze Refractometer, -60~0°C Ethylene/ -50~0°C Propylene Glycol/ 1.100-1.400 Battery Fluids Specific Gravity, Battery Charge Test Cooling System Coolant Freezing Point

REA - 200ATC REA - 200ATC 3 - in - 1 Automotive Battery Antifreeze Refractometer, - 60~0°C Ethylene/ - 50~0°C Propylene Glycol/ 1.100 - 1.400 Battery Fluids Specific Gravity, Battery Charge Test Cooling System Coolant Freezing Point - Gain Express REA - 200ATC REA - 200ATC 3 - in - 1 Automotive Battery Antifreeze Refractometer, - 60~0°C Ethylene/ - 50~0°C Propylene Glycol/ 1.100 - 1.400 Battery Fluids Specific Gravity, Battery Charge Test Cooling System Coolant Freezing Point - Gain Express

REA-200ATC 3-in-1 Automotive Battery Antifreeze Refractometer, -60~0°C Ethylene/ -50~0°C Propylene Glycol/ 1.100-1.400 Battery Fluids Specific Gravity, Battery Charge Test Cooling System Coolant Freezing Point

$28.90 USD

PH869-2 Pen type 12cm Probe pH Temperature Digital Meter 14.00 pH Pool Aquarium Water Quality Tester

PH869 - 2 PH869 - 2 Pen type 12cm Probe pH Temperature Digital Meter 14.00 pH Pool Aquarium Water Quality Tester - Gain Express PH869 - 2 PH869 - 2 Pen type 12cm Probe pH Temperature Digital Meter 14.00 pH Pool Aquarium Water Quality Tester - Gain Express

PH869-2 Pen type 12cm Probe pH Temperature Digital Meter 14.00 pH Pool Aquarium Water Quality Tester

MSC-208 Cold LED Dual Gooseneck Lights Microscope Illuminator with Dimmer, 6500K, Adjustable Brightness 100V~240V

MSC - 208_US MSC - 208 Cold LED Dual Gooseneck Lights Microscope Illuminator with Dimmer, 6500K, Adjustable Brightness 100V~240V - Gain Express MSC - 208_US MSC - 208 Cold LED Dual Gooseneck Lights Microscope Illuminator with Dimmer, 6500K, Adjustable Brightness 100V~240V - Gain Express

MSC-208 Cold LED Dual Gooseneck Lights Microscope Illuminator with Dimmer, 6500K, Adjustable Brightness 100V~240V

TM-197 AC / DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer 3000mT (30000 Gauss)

TM - 197 AC / DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer 3000mT (30000 Gauss) - Gain Express TM - 197 AC / DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer 3000mT (30000 Gauss) - Gain Express

TM-197 AC / DC Gaussmeter Magnetic Field Strength Meter Teslameter Magnetometer 3000mT (30000 Gauss)

$250.90 USD

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

ORP - 228 ORP - 228 ORP Redox Meter Tester - 1999~1999mV, 1 - point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa - Gain Express ORP - 228 ORP - 228 ORP Redox Meter Tester - 1999~1999mV, 1 - point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa - Gain Express

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

$37.90 USD

PHM-245 PH & Temperature 2-in-1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa

PHM - 245_US PHM - 245 PH & Temperature 2 - in - 1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa - Gain Express PHM - 245_US PHM - 245 PH & Temperature 2 - in - 1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa - Gain Express

PHM-245 PH & Temperature 2-in-1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa

HTM-238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor

HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express HTM - 238 HTM - 238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ - 30~70°C ( - 22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor - Gain Express

HTM-238 Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor

$31.90 USD
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