Amprobe DMIII - Power Quality

AMPROBE
DMIII MULTITEST
EN-34
6.4.3. "2-W", "3-W" and "" faulty cases

If the instrument detects
the External Power
supply adapter
connected to instrument
will show the message
displayed to the right.
EARTH 05.06.01
-
- - 
Vd= ---V
Test:04
RAVG=0.74
 REMOVE POWER
3-W
Disconnect the External
Power Supply Adapter
FUNC
CLR

If the Instrument detect
a voltage values higher
than 5V the instrument
will shows the screen
displayed to the right.
EARTH 05.06.01
Warning symbol: Voltage
noise in input.
 -
- - 
Vd= 230V
Test:04
RAVG=0.74
 VOLT IN INPUT
3-W
FUNC
CLR

The message "Rc
high" indicates that the
instrument can't
produce the minimum
current necessary for
measurement. Check
that the terminals are
correctly connected
and the Auxiliary earth
rod connected to T4
(yellow conductor) has
not been inserted in a
pebbly or poorly
conductive ground. If
necessary pour some
water around the rod.
EARTH 05.06.01
-
- - 
Vd= 1V
Test:04
RAVG=0.74
 Rc HIGH
3-W
Message "Rc": Check
Auxiliary Earth rods.
FUNC
CLR