24
D1M 20
POWER METER USER MANUAL
6.5.VT ratio (VT)
D1M is capable to measure voltage via direct connection up to 300 V (L-N), or via indirect connection by
means of voltage transformers.
In order to configure the voltage transformer ratio, it is needed to enter manually the values of both
primary (
PRIM
) and secondary (
SEC
).
CONF>ISTL>VT
1. When the number of the primary VT is set, press
Button “
OK
”
2. Use Button “
Up
” and Button “
Down
” to select the
magnitude
3. Press button “
OK
” to confirm the setting of the
primary VT
4. Press button “
Down
” to go to the setting of the
secondary VT
5. When the number of the secondary VT is set, press
Button “
OK
”
6. Press button “
OK
” to confirm the setting of the
secondary VT
In case of direct insertion without voltage transformers, please set VT ratio as 230/230 (default).
