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WQM-560 Floating Water Quality Tester 9-in-1 pH ORP Chlorine EC CF TDS Salt S.G. Temp, Smart Tuya App Compatible with iOS & Android, 24/7 Auto Water Monitoring for Aquariums, Pools, Hot Tubs, Spas & Hydroponics

WQM-560 Floating Water Quality Tester 9-in-1 pH ORP Chlorine EC CF TDS Salt S.G. Temp Smart Tuya App Compatible with WQM-560 Floating Water Quality Tester 9-in-1 pH ORP Chlorine EC CF TDS Salt S.G. Temp Smart Tuya App Compatible with

WQM-560 Floating Water Quality Tester 9-in-1 pH ORP Chlorine EC CF TDS Salt S.G. Temp, Smart Tuya App Compatible with iOS & Android, 24/7 Auto Water Monitoring for Aquariums, Pools, Hot Tubs, Spas & Hydroponics

$79.90 USD

SLM-267 Decibel Meter Sound Level Tester 30~130dBA Noise Volume Measuring and Monitoring Instrument Digital LCD display with Backlight Professional Handheld Device

SLM - 267 Decibel Meter Sound Level Tester 30~130dBA Noise Volume Measuring and Monitoring Instrument Digital LCD display with Backlight Professional Handheld Device - Gain Express SLM - 267 Decibel Meter Sound Level Tester 30~130dBA Noise Volume Measuring and Monitoring Instrument Digital LCD display with Backlight Professional Handheld Device - Gain Express

SLM-267 Decibel Meter Sound Level Tester 30~130dBA Noise Volume Measuring and Monitoring Instrument Digital LCD display with Backlight Professional Handheld Device

$31.90 USD

HTM-482 Multi-Function Environmental Meter Thermo-Hygrometer Datalogging Temperature, Humidity and Wet Bulb Dew Point Measurement PC Connection Feature Record and Download

HTM-482 Multi-Function Environmental Meter Thermo-Hygrometer Datalogging Temperature Humidity and Wet Bulb Dew Point HTM-482 Multi-Function Environmental Meter Thermo-Hygrometer Datalogging Temperature Humidity and Wet Bulb Dew Point

HTM-482 Multi-Function Environmental Meter Thermo-Hygrometer Datalogging Temperature, Humidity and Wet Bulb Dew Point Measurement PC Connection Feature Record and Download

$60.90 USD

TM-190 Multi-Field EMF Meter RF Gauss Meter Electromagnetic Electric RF Field Strength Tester with Warning Indicator

TM - 190 Multi - Field EMF Meter RF Gauss Meter Electromagnetic Electric RF Field Strength Tester with Warning Indicator - Gain Express TM - 190 Multi - Field EMF Meter RF Gauss Meter Electromagnetic Electric RF Field Strength Tester with Warning Indicator - Gain Express

TM-190 Multi-Field EMF Meter RF Gauss Meter Electromagnetic Electric RF Field Strength Tester with Warning Indicator

$167.90 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-352 Data Logger Thermo-hygrometer Thermometer Temperature and Humidity Datalogging Measurement 25,920 Groups of Reading High Low Alarm with PC Software and Calendar Display

HTM - 352 HTM - 352 Data Logger Thermo - hygrometer Thermometer Temperature and Humidity Datalogging Measurement 25,920 Groups of Reading High Low Alarm with PC Software and Calendar Display - Gain Express HTM - 352 HTM - 352 Data Logger Thermo - hygrometer Thermometer Temperature and Humidity Datalogging Measurement 25,920 Groups of Reading High Low Alarm with PC Software and Calendar Display - Gain Express

HTM-352 Data Logger Thermo-hygrometer Thermometer Temperature and Humidity Datalogging Measurement 25,920 Groups of Reading High Low Alarm with PC Software and Calendar Display

$83.90 USD

TM-209 Digital LED Light LUX / FC (Footcandle) Meter Luminous Intensity Measurement Luxmeter 400000 Lux 40000 FC Measure Handheld Illuminance Tester

TM - 209 Digital LED Light LUX / FC (Footcandle) Meter Luminous Intensity Measurement Luxmeter 400000 Lux 40000 FC Measure Handheld Illuminance Tester - Gain Express TM - 209 Digital LED Light LUX / FC (Footcandle) Meter Luminous Intensity Measurement Luxmeter 400000 Lux 40000 FC Measure Handheld Illuminance Tester - Gain Express

TM-209 Digital LED Light LUX / FC (Footcandle) Meter Luminous Intensity Measurement Luxmeter 400000 Lux 40000 FC Measure Handheld Illuminance Tester

$161.90 USD

SNS-PH9851 BNC pH Electrode sensor probe with protective cap

SNS - PH9851 BNC pH Electrode sensor probe with protective cap - Gain Express SNS - PH9851 BNC pH Electrode sensor probe with protective cap - Gain Express

SNS-PH9851 BNC pH Electrode sensor probe with protective cap

$18.00 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

560-10C Shore C Digital Hardness Meter Durometer 0~100HC, for Soft Rubber Testing, Foam, Sponges with LCD Display Pocket Size Tester

560 - 10C Shore C Digital Hardness Meter Durometer 0~100HC, for Soft Rubber Testing, Foam, Sponges with LCD Display Pocket Size Tester - Gain Express 560 - 10C Shore C Digital Hardness Meter Durometer 0~100HC, for Soft Rubber Testing, Foam, Sponges with LCD Display Pocket Size Tester - Gain Express

560-10C Shore C Digital Hardness Meter Durometer 0~100HC, for Soft Rubber Testing, Foam, Sponges with LCD Display Pocket Size Tester

$40.90 USD

AQM-345 Smart Indoor Air Quality Monitor CO2 Meter, TVOC, Humidity, Temperature, PM2.5, PM1.0 with Relay Output APP Control Meter for Home Offices Schools

AQM - 345 AQM - 345 Smart Indoor Air Quality Monitor CO2 Meter, TVOC, Humidity, Temperature, PM2.5, PM1.0 with Relay Output APP Control Meter for Home Offices Schools - Gain Express AQM - 345 AQM - 345 Smart Indoor Air Quality Monitor CO2 Meter, TVOC, Humidity, Temperature, PM2.5, PM1.0 with Relay Output APP Control Meter for Home Offices Schools - Gain Express

AQM-345 Smart Indoor Air Quality Monitor CO2 Meter, TVOC, Humidity, Temperature, PM2.5, PM1.0 with Relay Output APP Control Meter for Home Offices Schools

$141.90 USD

TC-8100 Digital Handheld Dust Particle Counter PM2.5, PM10 AQI Tester Data Logging Function up to 999 Set

TC - 8100 Digital Handheld Dust Particle Counter PM2.5, PM10 AQI Tester Data Logging Function up to 999 Set - Gain Express TC - 8100 Digital Handheld Dust Particle Counter PM2.5, PM10 AQI Tester Data Logging Function up to 999 Set - Gain Express

TC-8100 Digital Handheld Dust Particle Counter PM2.5, PM10 AQI Tester Data Logging Function up to 999 Set

$262.90 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

T95 Digital 3-AXIS EMF RF Radiation ElectroSmog Power Meter Tester

T95 Digital 3 - AXIS EMF RF Radiation ElectroSmog Power Meter Tester - Gain Express T95 Digital 3 - AXIS EMF RF Radiation ElectroSmog Power Meter Tester - Gain Express

T95 Digital 3-AXIS EMF RF Radiation ElectroSmog Power Meter Tester

$158.90 USD

PHM-224_PH 3-in-1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC -1999~1999mV 0.00-14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics

PHM - 224_PH PHM - 224_PH 3 - in - 1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC - 1999~1999mV 0.00 - 14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics - Gain Express PHM - 224_PH PHM - 224_PH 3 - in - 1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC - 1999~1999mV 0.00 - 14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics - Gain Express

PHM-224_PH 3-in-1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC -1999~1999mV 0.00-14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics

$79.90 USD

HTM-495 Moisture Meter for Drywall, Wood Moisture Meters for Walls, Firewood Floor Humidity Detector Lumber Humidity Tester Paper Ceramic Ceiling Firewood Cardboard Humidity Building Material

HTM-495 Moisture Meter for Drywall Wood Moisture Meters for Walls Firewood Floor Humidity Detector Lumber Humidity HTM-495 Moisture Meter for Drywall Wood Moisture Meters for Walls Firewood Floor Humidity Detector Lumber Humidity

HTM-495 Moisture Meter for Drywall, Wood Moisture Meters for Walls, Firewood Floor Humidity Detector Lumber Humidity Tester Paper Ceramic Ceiling Firewood Cardboard Humidity Building Material

$59.90 USD

EMF-509 Solar Panel Meter 5-1800W MPPT Tester with Auto/Manual Detection Voltage, Current, Photovoltaic Panel Multimeter for PV Systems

EMF-509 Solar Panel Meter 5-1800W MPPT Tester with Auto/Manual Detection Voltage Current Photovoltaic Panel Multimeter EMF-509 Solar Panel Meter 5-1800W MPPT Tester with Auto/Manual Detection Voltage Current Photovoltaic Panel Multimeter

EMF-509 Solar Panel Meter 5-1800W MPPT Tester with Auto/Manual Detection Voltage, Current, Photovoltaic Panel Multimeter for PV Systems

$93.90 USD

WQM-408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc.

WQM - 408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc. - Gain Express WQM - 408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc. - Gain Express

WQM-408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc.

$54.90 USD

GM-06 Gloss meter 60 Degrees With Range 0.1 ~ 200 Gloss Units

GM - 06 Gloss meter 60 Degrees With Range 0.1 ~ 200 Gloss Units - Gain Express GM - 06 Gloss meter 60 Degrees With Range 0.1 ~ 200 Gloss Units - Gain Express

GM-06 Gloss meter 60 Degrees With Range 0.1 ~ 200 Gloss Units

$298.00 USD

AQM-388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit

AQM - 388 AQM - 388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit - Gain Express AQM - 388 AQM - 388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit - Gain Express

AQM-388 Portable 9 in 1 Indoor Air Quality Meter CO2 Monitor Formaldehyde Detector VOC Sensor AQI Index PM2.5 PM10 and Humidity Temp with Time Display Air Monitor Test Kit

$155.90 USD
Showing 81 - 100 of 793 items
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