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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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20
Jul
2021
Ground Balance Mode Of Metal Detection Method
Ground balance mode This method can eliminate the influence of earth “mineralization reaction”, and has better penetrability: therefore, whether indoor or outdoor work, hav...
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15
Jul
2021
The Prospecting Method Of Detecting For Gold Digger Treasure Seeking Hunter
The use of this detector can detect is not buried deep mineral deposit, including native gold, gold and other various rich sedimentary sand. Detection of natural gold nugg...
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10
Jul
2021
Precautions For Using Underground Metal Detectors
If the underground metal detector is not working properly, sound can't be decreased after increasing, maybe the battery power not enough, charge the battery.2. Don't press the b...
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05
Jul
2021
Warnings For Using Metal Detectors
Any metal detector can detect underground cables, metal pipe and some explosive objects, in order to personal safety, please observe the following points. 1) Don't make a...
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30
Jun
2021
Assembly Diagram For Our Coil Waterproof Metal Scanner Finder Tool 1200mAh Ba...
Assembly diagram for our Coil Waterproof Metal Scanner Finder Tool 1200mAh Battery , Parts and assembly diagram as below for your referenceV(If find any parts is missing, please...
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25
Jun
2021
Battery Charge Of Gold Detector Underground
DO you know how to do battery charger for your gold detector underground? When the instrument power indicator light is dar...
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21
Jun
2021
Battery Installation For Metal Detector Underground
Battery installation for Metal detector Underground : Pull the battery door downward slowly by pressing anti-slip groove on the bottom of the battery door. Install 7.4V Li...
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15
Jun
2021
Underground Metal Detector Coil Waterproof
This metal detector is a new improved product and application of foreign advanced technology and imported components. With the old product comparison, the instrument to le...
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10
Jun
2021
Where Are The Main Areas Of Infrared Thermometers Used
Infrared thermometers have proven to be an effective tool for detecting and diagnosing malfunctions in electronic equipment. Significant savings, with infrared thermometers, you...
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05
Jun
2021
Pay Attention To The Thermal Insulation Of Infrared Thermometers
Infrared thermometers (guns) have relatively high environmental requirements. The best working environment is 16°C to 35°C. Usually, the body temperature is measured at an ambie...
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30
May
2021
Ay Attention To The Selection Of Human Infrared Thermometers
Be careful not to choose an industrial thermometer. Industrial infrared thermometers have a wide temperature range and large errors. The human body infrared thermometer has a na...
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25
May
2021
Who Is More Accurate Between Infrared Thermometer And Glass Thermometer
Who is more accurate between infrared thermometer and glass thermometer? Glass thermometer. Can industrial infrared thermometers measure body temperature? Yes, but not recomm...
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20
May
2021
Measurement Methods Of Infrared Thermometer
First use an infrared thermometer to measure the foreheads of yourself or colleagues (multiple people) for comparison, and then measure the same position of the tested person fo...
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17
May
2021
Cleaning And Storage Of Noise Measuring Instrument Db Meter 30~130dB
Cleaning and storage of Noise Measuring Instrument db Meter 30~130dB To avoid damaging the instrument housing, do not use corrosive or solvent to clean the instrument.The whit...
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11
May
2021
LCD Display Instruction Of Sound Level Detector ST6824
pls take a look the below photo for LCD display of sound level detector ST6824, and you will clearly know the symbols and it's description before use it.hope it can help you.
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06
May
2021
Power And Automatic Power Off Of Sound Level Tester
Power and Automatic Power Off of sound level Tester 1. Press the POWER button to turn the meter on. 2. Press the POWER button again to turn the meter off. 3. The meter has ...
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01
May
2021
Units Of Measure For Sound Decibel Detector
ST6824 Digital Noise Meter Decibel Detector And Color LCD Display Noise Measurement Tools Digital Noise Meter Units of measure for Sound Decibel Detector: Press the UNIT butt...
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26
Apr
2021
MAX/MIN Function Of Noise Level Tester
MAX/MIN function of Noise level tester 1. Press the [REC ] button once to put the meter in MAX/MIN mode. The meter will now display the highest reading that occurs while the fu...
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19
Apr
2021
Auto/Manual Range Of Audio Tester Color LCD Display
Auto/Manual range of Audio Tester Color LCD Display： Press the RAN button to put the manual range. Press the RAN key once to enter the next range.To exit the manual range m...
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13
Apr
2021
How To Operate Data Hold Of Sound Noise Measurement Tools
How to Operate Data Hold of Sound Noise Measurement Tools: To freeze a displayed reading, press the [H] button. The “H” icon will appear and the most recent reading will appear ...