HT 400 Series User Manual

400 Series
EN - 42
4. 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
LOOP
----
---A
FRQ=50.0Hz
VP-N= 1V VP-Pe=231V
REVERSE P-PE
The phase and earth conductors are
inverted
P-N STD
Func Mod.
5. 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
LOOP
----
---A
FRQ=50.0Hz
VP-N= 1V VP-Pe= 1V
Low voltage
Insufficient voltage
P-N STD
Func Mod.
6. If the instrument detects a
phase-to-neutral voltage or a
phase-to-earth voltage higher
than the limit, the message
reported here to the side is
displayed. Check that the
instrument is not phase-to-
phase connected
LOOP
----
---A
FRQ=50.0Hz
VP-N=281V VP-Pe=280V
High voltage
High voltage detected
P-N STD
Func Mod.
7. If the instrument detects a
phase-to-neutral voltage
lower than the minimum limit,
it does not perform the test and
displays the message
reported here to the side.
Check the efficiency of the
neutral conductor
LOOP
----
---A
FRQ=50.0Hz
VP-N= 1V VP-Pe=231V
MISSING N
Missing neutral conductor
P-N STD
Func Mod.
8. If the instrument detects an
extremely high earth
resistance, so that it deems
the earth conductor or the
earthing absent, it does not
perform the test and displays
the message reported here
to the side. Check the
efficiency of the protective
conductor and the earthing
LOOP
----
---A
FRQ=50.0Hz
VP-N=231V VP-Pe=160V
MISSING-PE
Inefficient earthing
P-N STD
Func Mod.

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