Contact Us
-
Tel: +8618822802390
-
E-mail: admin@gvda-instrument.com
-
WhatsApp: 8618822802390
-
Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
-
25
Mar
2021
Protractor Features
It can draw angles, measure angles, draw vertical lines, parallel lines, measure inclination, verticality, and horizontality. out of the specified size of the circle
-
18
Mar
2020
SwitchTemp.Unit of soldering station
The current temperature unit will be switched by pressing LOOK/℃/℉ button at the same time under working mode, the indicate light of temperature unit will be changed accordingly .
-
06
Mar
2021
Auto Sleep of solering station GD318
In auto standby mode, the soldering station will auto sleep after 20 minutes, nixie tube display SLP , the heaing core is not heated , it will get back to normal work mode by adjus
-
26
Feb
2021
Auto Standby of solering station
When the soldering not in use and put the soldering iron on the iron holder, it will auto standby after 10 minutes, heater is heating up to 200 ℃, nixie tube display STB,pick up th
-
09
Feb
2021
Temperature Locking of soldering station
Press LOOK/℃/℉ button for 3 seconds at the same time under working mode, the current temperature will be locked, the temperature won't be changed by turning the knob button, and di
-
25
Jan
2021
Temperature Setting of soldering station GD318
When this device is working, it can adjust temperature rapidly by temperature knob, the setting temperature will be shown when adjusting temperature, the real temperature of solder
-
08
Jan
2021
warranty of Soldering Station GD318
This product is guaranteed for two years from the date of purchase(excluding consumables such as the heating core).Ifany quality problem is found within the guarantee period, we wi
-
25
Dec
2020
Features of Soldering Station GD318
· This product designed with nixie tube display. · Combined soldering station with soldering stand. · MCU controlled temperature calibration with PID system equipped, adjust te
-
15
Dec
2020
RCD (or GFCI) Test of socket tester
RCD (or GFCI) Test Insert the tester into the three hole power socket with correct wiring, RCD (or GFCI) trip current will be displayed on the display, press and hold the RCD key
-
30
Nov
2020
Major function of socket tester GD105B
major function Three hole socket line sequence detection Phase voltage (L_N) measurement Leakage voltage (N_E) measurement RCD(or GFCI) Test
-
25
Nov
2020
Safety Warning of socket tester
To avoid possible electric shock or personal injury: Please check the tester carefully before using it and confirm if there is any damage. If there is any damage, please stop us
-
09
Nov
2020
Function of Socket tester
●When the test button is pressed, if the circuit is normal, the leakage switch of the control circuit should be tripped immediately. ●If the test button is pressed, the leakage sw
-
28
Oct
2020
Socket tester
The socket tester has the inspection function that when the test button is pressed, the leakage switch of the control line should be tripped immediately if the line is normal. If t
-
09
Oct
2020
USB mode of digital microscope GD7010
Connect the computer and the computer with a data cable and start the computer manually(or connect it in the power-on state). A pop-up window pops up on the screen, press the up/do
-
26
Sep
2020
USB function of Digital Microscope
When the device is connected to the computer via a USB cable, the device's mode has pc memory mode/ camera mode /charging mode for users to choose.
-
15
Sep
2020
Safety Precautions of Digital microscope GD7010
1. Do not place the device in direct sunligh, such as a window sill. 2. Pls avoid the equipment and its accessories from rain or moisture, otherwise it may cause fire or electric
-
11
Aug
2020
Features of digital microscope GD7010
Full-featured, clear imaging, exquisite workmanship, large screeen display, remote control operation,convenient operation, external LED fill light, replaceable external battery, Co
-
26
Aug
2020
Product Usage of Digital microscope
Circuit board inspection and repair, textile inspection, watch and cellphone inspection, skin inspection, printing inspection, teaching and research tools, precision object magnifi
-
15
Aug
2020
identify Live and Neutral with Electric Pen
The voltage detector probe is placed near the AC voltage. When the voltage is induced, the signal light will be lit. The bargraph of the screen will become higher or lower as the v
-
26
Jul
2020
how to use Flashlight of Teter pen GD116B
Press the sensitivity / phase / flashlight key and hold for more than 2 seconds. The flashlight is opened; The flashlight is closed by pressing the sensitivity / phase / flashlight
![[[TitleNews]]](/uploads/202225961/i202201241826344396030.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241748118120490.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241745522933800.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241743029336743.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241746249214943.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241736558914151.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241733417153047.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241731555691857.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241710373192033.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241709086121186.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241703539661207.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241659243540972.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241656114448426.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241653148940774.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241651406346079.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241647135070521.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241645285326402.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241642587872705.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241638458596481.jpg)
![[[TitleNews]]](/uploads/202225961/i202201241634041825970.jpg)