Amprobe AM-540, User Manual

Page: 14 / 182

8
Dual Display
AC voltage measurement
Primary display shows AC voltage.
Secondary display shows frequency.
AC current measurement
Primary display shows AC current.
Secondary display shows frequency.
Auto Power OFF
Auto power off: approx. 15 minutes.
When the Meter is in auto power off mode, press any button to resume
normal operation.
REL Measurement (V, A,
Ω
and
E
measurement)
The Meter calculate the value based on the stored value when set to related mode
Display value under REL mode = Measured value - Reference value
Note: Entering relative mode is not allowed when the Meter displays “OL”.
Incorrect Input Terminal Connection Warning
To alert you the incorrect connection of input terminals, the Meter will
display “Warning” and buzzer will sound when test leads are falsely inserted
to terminals which are not for measurement of the selected functions.
Function selected WARNING – Incorrect terminal connection
V,
Ω
,
E
,
G
, Hz, %,
10A, mA μA
mA μA °C °F
10A
10A
mA μA
Hazardous Voltage Warning
LCD screen displays when the Meter detects a voltage
≥
30 Vac
or
≥
42 Vdc.