Relative Mode - IDEAL 61-497 Manuel D'instructions

2. MAX / MIN / AVG
ENTER
MAX
MAX MIN AVG
PRESS PRESS
The MAX/MIN/AVG mode records the minimum and maximum input
values. When the inputs go below the recorded minimum value
or above the recorded maximum value, the meter records the new
value. The MAX/MIN/AVG mode can also calculate the average of the
maximum value and the minimum value.
3. dB and dBm (ACV / ACmV only)
PRESS
AUTO
kHz
AC
ENTER
V
dB
dBm
dB
dBm
PRESS
CANCEL
The decibel (dB) is a logarithmic unit of measurement that expresses
the magnitude of a physical quantity relative to a specified or implied
reference level. The dB and dBm are defined below.
V
AC
dB = 20 log
1
V
AC
dBm = 20 log
0.7746
DC
Cancel
V
AVG
DC DC
V V
MAX MIN AVG
PRESS PRESS
MIN
DC
V
MAX MIN AVG
AUTO
dB
AC
V
dB
dB
PRESS
AUTO
dB
AC
V
dBm
dBm
11

4. Relative mode

PRESS
AUTO
AC
ENTER
V
PRESS
mV A
V Hz%
OFF °C°F
Hz °C CANCEL
A mA COM V
600V
CAT IV
1000V
MAX
CAT III
MAX mA
10A FUSED
FUSED
AC 2V
In the relative mode, the meter records the current input value as
reference and appears on the upper display. The after input values
will calculate the difference ( ) of the reference value and the input
value or the difference percent (%) of the reference value and the
input value.
V
AC
V
mV A
V Hz%
OFF °C°F
Hz °C
A mA COM V
600V
CAT IV
1000V
MAX
CAT III
MAX mA
10A FUSED
FUSED
AC 3V
PRESS
V
AC
V
mV A
V Hz%
OFF °C°F
Hz °C
A mA COM V
600V
CAT IV
1000V
MAX CAT III
mA
MAX
10A FUSED
FUSED
AC 3V
12