8
function is selected by the direction key, and the corresponding function
menu is entered by pressing the "Enter" key.
To carry out variable ratio and group test for three phase transformers.
Variable ratio and polarity test for single phase PT, single-phase
transformer and single-phase CT.
Specifically for Z type transformer with variable ratio, group testing.
Query saved in the process of testing data; In the interface can detect data
printing and archived usb flash drive operation.
Set date and time of the instrument.
Need a password operation, it is not open to the user.
5
SV
：
Display software current version number.
HV
：
Display hardware current version number.
The function and operation of "
" are described in detail. Other
functions and operations can be referred to in this part.
Normal test: When the connection mode of high and low voltage is known, the test is
carried out after the correct input of the connection mode of high and low voltage
Blind measurement function: The ratio and group can be accurately measured
without knowing the connection mode and group of high and low voltage.
Take the "
" as an example to illustrate, enter the screen of "Blind test
function parameter setting", as shown below.
