HT 400 Series User Manual

400 Series
EN - 15
3. If the measured phase-to-
earth insulation value is
lower than the set limit, the
instrument displays a screen
similar to the one reported
here to the side and gives a
long acoustic signal
AUTO
Ra = 1789
Trcd > 999ms
RP-Pe = 0.01M
Value of earth resistance
Value of the RCD’s tripping time
Value of the phase-to-earth
insulation resistance
NOT OK
30mA 50V 500V
IdN RCD UL VNom
4.
The results displayed can be saved by pressing the SAVE key twice or the
SAVE key and, subsequently, the ENTER key (§ 8.1)
5. If the instrument detects that
the phase and neutral leads
are inverted, the message
reported here to the side is
displayed. Rotate the shuko
plug or check the connection
of the single cables
AUTO
Ra = ----
Trcd = ----ms
RP-Pe = ----M
REVERSE P-N
The phase and neutral conductors
are inverted
30mA 50V 500V
IdN RCD UL VNom
6. If the instrument detects that
the phase and earth leads
are inverted, the message
reported here to the side is
displayed. check the
connection of the cables
AUTO
Ra = ----
Trcd = ----ms
RP-Pe = ----M
REVERSE P-PE
The phase and earth conductors are
inverted
30mA 50V 500V
IdN RCD UL VNom
7. If the instrument detects a
phase-to-neutral voltage and
a phase-to-earth voltage
lower than the limit, the
message reported here to
the side is displayed. Check
that the system being tested
is energized
AUTO
Ra = ----
Trcd = ----ms
RP-Pe = ----M
Low voltage
Insufficient voltage
30mA 50V 500V
IdN RCD UL VNom

HT 400 Series Specifications

General

Type	Digital Multimeter
Diode Test	Yes
Auto Ranging	Yes
Data Hold	Yes
Operating Temperature	0°C to 40°C
DC Current Range	400μA to 10A
AC Current Range	400μA to 10A
Resistance Range	400Ω to 40MΩ
Continuity Test	Yes
Display	LCD, 4000 counts
Measurement Range	As per individual functions