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Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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15
Nov
2021
New Arrive Of Oxygen Gas Detector Color LCD
New Arrive of Oxygen Gas detector Color LCD: The intelligent precise oxygen detector use electri-chemical type gas sensor to measure the gas, can quickly response to oxygen gas,...
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10
Nov
2021
Germany Customer Placed Order 200pcs Of Digital Decibel Meter Logger Noise Au...
Germany customer placed order 200pcs of Digital Decibel Meter logger Noise Audio detector LCD Color Screen Handheld Noise Sound Level Meter
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05
Nov
2021
How To Replace Battery For Digital Lux Meter
How to replace battery for digital lux meter? do you know how to do? let us take a look the below: Battery Replacement When the battery voltage is low the ' LO ' sy...
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30
Oct
2021
Units Of Measure Of Digital Light Meter
ST6813 Digital Light Meter For Photography Deluxe 1-200,000 LCD Display Brightness Detector With Photometer Press the UNIT button to select the unit of mea...
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25
Oct
2021
MAX/MIN And Relative Of Max Min Illuminometers Photometer
MAX/MIN and Relative of Max Min Illuminometers Photometer MAX/MIN function 1. Press [REC] button to enter MAX/MIN mode. Press again to switch between MAX/MIN mode. The corres...
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16
Oct
2021
Auto Manual Range Of 200,000 LUX Digital Luminance Lux Fc Test
Auto Manual range of 200,000 LUX Digital Luminance Lux Fc Test: Press the RAN button to put the manual range. The meter will display “MANU” icon. Press the RAN key on...
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11
Oct
2021
Data Hold Function Of Digital Luxmeter
Data hold function of Digital Luxmeter Press the [H] button to freeze the displayed reading. The 'H' hold icon will appear on the display. Press the [H] button again t...
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05
Oct
2021
Taking Measurements Of Digital Light Meter
Taking measurements of digital light meter : 1. Press the [ Power on] button to turn power on. 2. Remove the protective cap from the sensor, Place the sensor in a horizon...
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30
Sep
2021
New Arrive Of Color LCD Digital Lux Meter
Recently we develop a new Color LCD Lux meter, and take a look the below instroduction: Visible light emitted by fluorescent lamp, metal halide lamp, high voltage sodium lamp...
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25
Sep
2021
The Main Function Of Metal Detector
The main function of metal detector Security check Rapid search by the public security and criminal departments; Detection of metal foreign bodies in raw materials, fuels and...
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20
Sep
2021
How A Metal Detector Works
How a metal detector works Underground metal detectors use the principle of electromagnetic induction to generate rapidly changing magnetic fields by using coils through which ...
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15
Sep
2021
Outdoor Testing And Use Of Metal Detectors
Outdoor testing and use of metal detectors (1) Find a metal-free area outdoors. (2) Put the sample you want to detect (such as a gold ring or coin) on the ground, (if you ...
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10
Sep
2021
Description Of Underground Metal Detector
The Underground Metal Detector (Underground Metal Detector) is made of advanced technology. It has the characteristics of wide detection, accurate positioning, strong resolution...
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06
Sep
2021
Specification Of Underground Gold Detector
Specification of Underground gold detector
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30
Aug
2021
How Did Underground Metal Detectors Come About
How did underground metal detectors come about? Let me explain to you in detail below. Underground metal detectors are actually a type of metal detectors, but they have bette...
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25
Aug
2021
Is The Underground Metal Detector Really Useful To Detect in The Wild
Are underground metal detectors really useful for field detection? In recent years, people often take metal detectors to search for treasures in the wild. The underground is ...
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20
Aug
2021
What Is The Using For Metal Detector
The use of this metal detector can detect is not buried deep mineral deposits, including native gold, gold, gold, and other various rich sedimentary sand. Detection of natural g...
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16
Aug
2021
Operation Switch Of Metal Search Finder
Operation switch of Metal Search Finder Operation mode switch is divided into two grades, named “Ground Balance” and “Recognition”. Switch it to Ground Balance mode the instr...
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10
Aug
2021
Tuning Adjust Knob Of Metal Gold Finder
Tuning adjust knob of Metal Gold Finder Tune to “Critical state” The tuning adjust knob is using tune the unit to get the “critical” sound: tune the knob to left clockwise, r...
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05
Aug
2021
Operation Button Of Metal Hunter
Operation button of metal hunter In this metal hunter control have a button under the center of the panel, its role is very important, the instrument under adjustment, op...