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ND-9 Handheld Digital Sound Noise Level Tester Calibrator for Sound Level Meter 94dB & 114dB output Class I w/ Battery +/-0.3 db Accuracy for microphone , sound measuring system for acoustics field and laboratory use

ND - 9 ND - 9 Handheld Digital Sound Noise Level Tester Calibrator for Sound Level Meter 94dB & 114dB output Class I w/ Battery +/ - 0.3 db Accuracy for microphone , sound measuring system for acoustics field and laboratory use - Gain Express ND - 9 ND - 9 Handheld Digital Sound Noise Level Tester Calibrator for Sound Level Meter 94dB & 114dB output Class I w/ Battery +/ - 0.3 db Accuracy for microphone , sound measuring system for acoustics field and laboratory use - Gain Express

ND-9 Handheld Digital Sound Noise Level Tester Calibrator for Sound Level Meter 94dB & 114dB output Class I w/ Battery +/-0.3 db Accuracy for microphone , sound measuring system for acoustics field and laboratory use

$139.90 USD

G0182105-JY4 Digital Angle Finder Level 360° Spirit Level Upright Inclinometer with Magnets Protractor Ruler

G0182105 - JY4_FBA G0182105 - JY4 Digital Angle Finder Level 360° Spirit Level Upright Inclinometer with Magnets Protractor Ruler - Gain Express G0182105 - JY4_FBA G0182105 - JY4 Digital Angle Finder Level 360° Spirit Level Upright Inclinometer with Magnets Protractor Ruler - Gain Express

G0182105-JY4 Digital Angle Finder Level 360° Spirit Level Upright Inclinometer with Magnets Protractor Ruler

DT-156 Digital CEM Paint Coating Thickness Meter Gauge 1250um (49.2mils) with USB & CD Software, F/ NF Probe Sensor, 400 Memory

Gain Express DT-156 Digital CEM Paint Coating Thickness Meter Gauge 1250um (49.2mils) with USB & CD Software, F/ NF Probe Sensor, 400 Memory Gain Express DT-156 Digital CEM Paint Coating Thickness Meter Gauge 1250um (49.2mils) with USB & CD Software, F/ NF Probe Sensor, 400 Memory

DT-156 Digital CEM Paint Coating Thickness Meter Gauge 1250um (49.2mils) with USB & CD Software, F/ NF Probe Sensor, 400 Memory

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

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 - 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

$39.90 USD

JEM-II Diamond Tester with Ultraviolet (UV) Light

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

JEM-II Diamond Tester with Ultraviolet (UV) Light

$57.90 USD

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

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_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

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

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

$40.90 USD

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

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

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 - 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 - 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

$176.90 USD

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

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_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

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

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 - Gain Express

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

$42.90 USD

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

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 - 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

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

ND9B ND9B Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2 ND9B ND9B Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2

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

$139.90 USD

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

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 - Gain Express 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 - Gain Express

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

$31.90 USD

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

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 - Gain Express 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 - Gain Express

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

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

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 - 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

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

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

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

$41.90 USD

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

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

$29.90 USD

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

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

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

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

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

$167.90 USD
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