VECTECH498A Operation Manual
Page 3
3. Specifications and Characteristics
3.1 Specifications
test voltage range
：
0
～
±1000 V
voltage precise
：
5%
Time precise 1%
test time range
：
0~600 s
outer power supply
：
12.0VDC
，
400mA
battery
：
8.4V (NiH)
display
：
LCD
，
display size 100mm*24mm
waiting time range
：
600s
operating temperature range
：
0°C ~40 °C
relative humidity range
：
0 to 70%
charged plate
：
15.2cm * 15.2cm ( 6
〞
x 6
〞
)
dimension
：
152 * 152 * 225 mm (L*W*H)
weight
：
1760g
3.2 Characteristics
1.
There are four work modes and their parameters can be set, besides including voltage test function.
2.
There is pass function and in the testing course, the unit alarms when the test data is no pass. The pass parameters
can be set meeting the tested device demands.
3.
With the functions of saving and viewing data and it can save one hundred data.
4.
An individual way of setting and set the work parameters meeting the demand, such as key tone, alert tone.
5.
There are charge batteries inside and it can use without outer power supply.
6.
With no touching sensor and the test resistance is stable and precise.
7.
It is portable and easy to use.
4. Power supply instruction
4.1 turn on the unit
Outer special power adapter or inner charged battery supplies power supply of the unit.
Turn on the unit after pressing “POWER” key about 1.5seconds, and then LCD shows rolling menu.
After stopping rolling, press any keys except “POWER” key to the waiting state. And then it can work.
4.2 turn off the unit
After the unit runs successfully, at any state, click “POWER” key to turn off the unit.
Turn on the unit without connecting outer power supply, if don’t press any key after the bootstrap rolling
menu, the unit will automatically turn off after that about two seconds.