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REB-10ATC 0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions Accuracy 0.1% Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea

REB - 10ATC REB - 10ATC 0 - 10% Brix Refractometer with ATC Low - Concentrated Sugar Content Solutions Accuracy 0.1% Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea - Gain Express REB - 10ATC REB - 10ATC 0 - 10% Brix Refractometer with ATC Low - Concentrated Sugar Content Solutions Accuracy 0.1% Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea - Gain Express

REB-10ATC 0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions Accuracy 0.1% Maple Sap Cutting Liquid CNC Maple Syrup Makers Tea

$28.90 USD

88598 Digital 4 Channels K-type Thermocouple Thermometer SD Card Logger High / Low Alarm Big LCD Display

88598 88598 Digital 4 Channels K - type Thermocouple Thermometer SD Card Logger High / Low Alarm Big LCD Display - Gain Express 88598 88598 Digital 4 Channels K - type Thermocouple Thermometer SD Card Logger High / Low Alarm Big LCD Display - Gain Express

88598 Digital 4 Channels K-type Thermocouple Thermometer SD Card Logger High / Low Alarm Big LCD Display

$154.90 USD

87784 Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm

87784 Wearable 2 - in - 1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm - Gain Express 87784 Wearable 2 - in - 1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm - Gain Express

87784 Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter Air Globe Temperature Humidity Tester with Dangerous Level Indicator Audible Alarm

$43.90 USD

WQM-369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester

WQM - 369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester - Gain Express WQM - 369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester - Gain Express

WQM-369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester

$67.90 USD

TM-214 Digital Window Tint Meter 100% Visual Light Transmission 4000 Continuous Measurement 6.5mm Thickness Portable Device for Car Window Vehicle Curtains

TM - 214 Digital Window Tint Meter 100% Visual Light Transmission 4000 Continuous Measurement 6.5mm Thickness Portable Device for Car Window Vehicle Curtains - Gain Express TM - 214 Digital Window Tint Meter 100% Visual Light Transmission 4000 Continuous Measurement 6.5mm Thickness Portable Device for Car Window Vehicle Curtains - Gain Express

TM-214 Digital Window Tint Meter 100% Visual Light Transmission 4000 Continuous Measurement 6.5mm Thickness Portable Device for Car Window Vehicle Curtains

$149.90 USD

7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger

7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger - Gain Express 7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger - Gain Express

7755 Digital CO2 Carbon Dioxide Temperature RH Humidity DP WB NDIR Sensor Indoor Air Quality 9999ppm USB Monitor Logger

$167.90 USD

AQM-338 Hydrogen Sulfide Detector H₂S Monitor 0~100ppm Electrochemical H₂S Sensor LED Alarm with LCD Screen Backlight Portable Tester

AQM - 338 AQM - 338 Hydrogen Sulfide Detector H₂S Monitor 0~100ppm Electrochemical H₂S Sensor LED Alarm with LCD Screen Backlight Portable Tester - Gain Express AQM - 338 AQM - 338 Hydrogen Sulfide Detector H₂S Monitor 0~100ppm Electrochemical H₂S Sensor LED Alarm with LCD Screen Backlight Portable Tester - Gain Express

AQM-338 Hydrogen Sulfide Detector H₂S Monitor 0~100ppm Electrochemical H₂S Sensor LED Alarm with LCD Screen Backlight Portable Tester

$75.90 USD

M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

M0199720 M0199720 6 - in - 1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature - Gain Express M0199720 M0199720 6 - in - 1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature - Gain Express

M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

$136.90 USD

ZD-06 Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe Waterproof Soil Tester Kit Tools, for Indoor & Outdoor Gardens Plants Flowers Farming

ZD - 06 Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe Waterproof Soil Tester Kit Tools, for Indoor & Outdoor Gardens Plants Flowers Farming - Gain Express ZD - 06 Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe Waterproof Soil Tester Kit Tools, for Indoor & Outdoor Gardens Plants Flowers Farming - Gain Express

ZD-06 Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe Waterproof Soil Tester Kit Tools, for Indoor & Outdoor Gardens Plants Flowers Farming

$77.90 USD

DMT-3 High Accuracy Professional Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Test Tool Selection Factory Calibrated Meter Identifier Device

DMT - 3 DMT - 3 High Accuracy Professional Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Test Tool Selection Factory Calibrated Meter Identifier Device - Gain Express DMT - 3 DMT - 3 High Accuracy Professional Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Test Tool Selection Factory Calibrated Meter Identifier Device - Gain Express

DMT-3 High Accuracy Professional Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Jewelry Test Tool Selection Factory Calibrated Meter Identifier Device

$116.90 USD

FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle

FFW 718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range Display Water FFW - 718 FFW - 718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle - Gain Express
-35%

FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle

$58.44 USD
$89.90 USD

836-1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC

836 - 1 836 - 1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC - Gain Express 836 - 1 836 - 1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC - Gain Express

836-1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC

SLM-25 Sound Level Meter with Backlit Display High Accuracy Measuring 30dB~130dB with Data Logging Function Instrument Compact Professional

SLM - 25 Sound Level Meter with Backlit Display High Accuracy Measuring 30dB~130dB with Data Logging Function Instrument Compact Professional - Gain Express SLM - 25 Sound Level Meter with Backlit Display High Accuracy Measuring 30dB~130dB with Data Logging Function Instrument Compact Professional - Gain Express

SLM-25 Sound Level Meter with Backlit Display High Accuracy Measuring 30dB~130dB with Data Logging Function Instrument Compact Professional

$60.90 USD

868-5 Waterproof pH meter with Temperature + Auto Calibration

868 - 5 868 - 5 Waterproof pH meter with Temperature + Auto Calibration - Gain Express 868 - 5 868 - 5 Waterproof pH meter with Temperature + Auto Calibration - Gain Express

868-5 Waterproof pH meter with Temperature + Auto Calibration

AG-82413B Digital Protractor Angle Finder Level Inclinometer Magnetic V-Groove 0~360 with Backlight IP65

AG - 82413B AG - 82413B Digital Protractor Angle Finder Level Inclinometer Magnetic V - Groove 0~360 with Backlight IP65 - Gain Express AG - 82413B AG - 82413B Digital Protractor Angle Finder Level Inclinometer Magnetic V - Groove 0~360 with Backlight IP65 - Gain Express

AG-82413B Digital Protractor Angle Finder Level Inclinometer Magnetic V-Groove 0~360 with Backlight IP65

$67.90 USD

8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement

8403 8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement - Gain Express 8403 8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement - Gain Express

8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement

$212.90 USD

OZX-300AT O3 Generator w/ Built-in Air Pump Timer, Ozone Output 500mg/hr

OZX - 300AT O3 Generator w/ Built - in Air Pump Timer, Ozone Output 500mg/hr - Gain Express OZX - 300AT O3 Generator w/ Built - in Air Pump Timer, Ozone Output 500mg/hr - Gain Express

OZX-300AT O3 Generator w/ Built-in Air Pump Timer, Ozone Output 500mg/hr

CO22 Carbon Dioxide / Temperature/ Humidity Indoor Air Quality Monitor Meter, Wall Mountable CO2 Detector 0~2000ppm Range

CO22 CO22 Carbon Dioxide / Temperature/ Humidity Indoor Air Quality Monitor Meter, Wall Mountable CO2 Detector 0~2000ppm Range - Gain Express CO22 CO22 Carbon Dioxide / Temperature/ Humidity Indoor Air Quality Monitor Meter, Wall Mountable CO2 Detector 0~2000ppm Range - Gain Express

CO22 Carbon Dioxide / Temperature/ Humidity Indoor Air Quality Monitor Meter, Wall Mountable CO2 Detector 0~2000ppm Range

710-110 / BAT-377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size

710 - 110 / BAT - 377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size - Gain Express 710 - 110 / BAT - 377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size - Gain Express

710-110 / BAT-377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size

CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm

CO98 CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm - Gain Express CO98 CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm - Gain Express

CO98 CO2 Data Logger Temperature Humidity Monitor 9999ppm

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