HT Italia IMP57, User Manual

Page: 24 / 39

IMP57
EN - 22
6.3. OPERATING INSTRUMENT FOR “TYPE 3” INSTRUMENT
Operating Instruction are given according to Table 1 - Instrument Type definition.
6.3.1. Instrument Settings
Press MENU button, select LOOP by means

,

buttons and press
ENTER button.
Mod. Select by means

,

buttons the virtual button Mod. and by means

,

buttons the Z2

function. The instrument shows:
L O O P
Z = - - - - - Ω
R = - - - - - Ω X = - - - - - Ω
I k S T D = - - - - A
V1-2=230V FRQ=50H
z
P-N Z2 Ω
Funz Mod. ICAL RMT
Funz Select by means

,

buttons the virtual button Funz and by means

,

buttons the function:

“ P-N ": the instrument execute the High Resolution Phase-Neutral
impedance measurement and calculate the Prospective Short circuit
Current Calculation selected.

“ P-P ": the instrument execute the High Resolution Phase-Phase
impedance measurement and calculate the Prospective Short circuit
Current Calculation selected.

“ P-PE ": the instrument execute the High Resolution Phase-ground
impedance measurement and calculate the Prospective Short circuit
Current.
ICAL Select by means

,

buttons the virtual button ICAL which allows the
selection of Prospective Short Circuit current calculation according to
paragraph 6.3.2 by means
 ,  buttons.
RMT : Select by means  ,  buttons the virtual button RMT . The instrument will
show:

IMP57 Serial Number.

Firmware release.

calibration date.