Latest News
2025 GVDA Develop New 4.3inch IPS HD Industrial Endoscope Inspection Camerab ...
Apr 28, 2025
2024 New Arrive GVDA Portable 72W Led Light Soldering Iron GD301 in Stocks
Aug 08, 2024
Why Do I Choose GVDA GD139 Gas Leak Detectors?
Apr 11, 2024
Introduce New GVDA Rechargeable Combustible Gas Detector With Type C Charging...
Apr 11, 2024
Contact Us
Contact: Ms Judy Yan
Whatsapp/Wechat/Mob.: 86-18822802390
Email: marketing@gvdasz.com
Tel Phone: 86-755-27597356
Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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28
Mar
2022
New Arrive 3 In 1 PH Soil Acidity Tester Digital Humidity Temperature Tester
3 In 1 PH328 Soil Acidity Tester Digital Humidity Temperature Tester for Plant Flower Agriculture Orchard with Backlight 1. Soil PH measurement: The soil acid-base reaction d...
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26
Mar
2022
Chile Ordered 40pcs Of Digital Carbon Dioxide Monitor Air Quality Detector CO2
Chile ordered 40pcs of Digital Carbon Dioxide Monitor Air Quality Detector CO2 Indoor Sound Light Alarm Gas Meter With Temperature Humidity Measure, and the shipment was ready t...
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25
Mar
2022
France Customer Ordered 104pcs Of GVDA USB DC Voltage Regulated Lab Power Sup...
France customer ordered 104pcs of GVDA USB DC Voltage Regulated Lab Power Supply Adjustable Voltage Regulator 30V 10A Stabilizer Switching Bench Source, the order was finised . ...
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23
Mar
2022
Russia Order GD128 Smart Multimeter 200pcs
Russia customer did an order 200pcs of Digital Multimeter Black color GD128, shipment was ready for shipping out. Thanks For Customer's trust and support!
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21
Mar
2022
Korea Order 120pcs 1000V 10A Smart Multimeter
Korea Placed an order 120pcs of 1000V 10A Smart multimeter Black silicon case, and the shipment was sent to customer, Thanks for customer's trust and we try to do best serivce ...
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19
Mar
2022
Black Blue Green Color Choice For Digital Multimter GD119B
GVDA Multimeter is an intelligent true effective value multimeter, intelligent identification and manual function are integrated, which can measure AC and DC voltage, AC and DC ...
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18
Mar
2022
A New Popular Models Of Smart Multimter GD119B
GVDA New 6000 Counts Smart Multimeter Digital Color LCD True RMS Auto Range 600V 10A Tester Ohm Hz Capacitance REL AC DC DMM Multitester, VA Colour Larger HD LCD Display and aut...
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17
Mar
2022
Specification Of Carbon Dioxide Detector
CO2 Meter CO2 Detector Multifunctional Thermohygrometer Home Intelligent Gas Analyzer Household Digital Air Pollution Monitor Specification of Carbon Dioxide detector: ...
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16
Mar
2022
Diagram Introduction Of The Carbon Dioxide Monitor
Diagram introduction of the Carbon Dioxide Monitor 1) LCD Display 2) USB charging and communication socket 3) Power switch / return button 4) Value decrease / unit c...
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14
Mar
2022
Accurate Detection & Concise Appearance Of CO2 Meter
Accurate Detection & Concise Appearance of CO2 meter: Accurate Detection & Concise Appearance: Adopts sensitive sensor and air convection detection, quick and accurate detect...
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12
Mar
2022
Data Logging And USB Connection Of CO2 Detector
Data Logging and USB Connection of CO2 Detector 5-60s adjustable interval, up to 26 days of continuous recording under the setting of 5s interval. Connect the tester to c...
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11
Mar
2022
3 Colors Indicator And Alarm Buzzer Of CO2 Tester
3-color Indicator & Alarm Buzzer: Set the low and high alarm value (400-4000PPM limited range); white backlight means normal, green backlight flashes and the buzzer emits interm...
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10
Mar
2022
LCD Backlight Screen Of CO2 Monitor
LCD Backlight Screen: Displays CO2 (current/ maximum/ minimum), temperature (ambient/ dew point/ wet bulb), humidity, date, time, battery level and etc.. LCD digital screen with...
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09
Mar
2022
3 in 1 Indoor CO2 Temperature Humidity Tester
3-in-1 Multifunction: This portable air quality monitor detects CO2 concentration, temperature and humidity in real time, it cares for your health and can be widely used in home...
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08
Mar
2022
New Arrive 3-in-1 Multifunction Air Quality Monitor
3-in-1 multifunction air quality monitor with logging function can detect real-time CO2 concentration, temperature and humidity in your living environment. Adopting sensitive se...
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07
Mar
2022
History Of Thermohygrometers
History of Thermohygrometers A hygrometer is an instrument that measures the humidity of the surrounding gas. Humidity represents the water vapor content in the gas, divided in...
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05
Mar
2022
The Principle Of Digital Hygrometer
The principle of the hygrometer measuring complete relative humidity: because the temperature-sensing bubble of the wet-bubble thermometer is wrapped with cotton yarn, the lower...
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03
Mar
2022
What Is A Digital Hygrometer
Digital hygrometer is Physical analysis instrument for measuring gas humidity. Humidity represents the water vapor content in the gas, and there are two ways of expressing it: a...
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01
Mar
2022
Test Method Of Temperature And Humidity Uniformity And Fluctuation
About the test method of temperature and humidity uniformity and fluctuation The uniformity and fluctuation index of the temperature and humidity test box are related to the un...
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28
Feb
2022
Temperature And Humidity Monitoring
Temperature and humidity monitoring In life science facilities, metrology/calibration labs and electronics manufacturing environments, temperature and humidity often require ...