6482-901-01 Rev. A / August 2012
Return to
5-5
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
Section 5: Relative, Math, Ratio, and Delta
MX + B
This math function multiplies the measured current by an offset factor and adds an offset value as
follows:
Reading = MX + B
Where:
M
= Gain (slope) factor
X
= Channel 1 or channel 2 measured current
B
= Offset value
Electrical power
This math function calculates power using the bias voltage and measured current values as
follows:
Reading = V
×
I
Where:
V
= Channel 1 or channel 2 voltage
I
= Channel 1 or channel 2 current
Front panel math functions
as a guide, configure measurement math functions as follows:
1. Press the
CONFIG
key and then the
MSR1
or
MSR2
key to select channel 1 or channel 2,
respectively.
2. Using the EDIT
and
keys, place the cursor on the function, and then press the
ENTER
key.
3. From normal display, press the
MSR1
or
MSR2
key to display the function reading.
4. To cancel the function and return to the normal current measurement display, repeat steps 1
and 2, but select I in the configuration menu.
Table 5-3
Measurement function configuration menu
Configuration menu item
Description
CONFIG
>
MSR1
CONFIG MSR1 BUTTON
I
I/V
V/I
MX + B_UNIT
P
CONFIG
>
MSR2
CONFIG MSR2 BUTTON
I
I/V
V/I
MX + B_UNIT
P
Configure channel 1 measurement.
Current measurement.
Conductance (I/V) measurement (channel 1I / channel 1V).
Resistance (V/I) measurement (channel 1V / channel 1I).
MX + B measurement.
Electrical power (V
×
I) measurement
(channel 1V
×
channel 1I).
Configure channel 2 measurement.
Current measurement.
Conductance (I/V) measurement (channel 2I / channel 2V).
Resistance (V/I) measurement (channel 2V / channel 2I).
MX + B measurement.
Electrical power (V
×
I) measurement
(channel 2V
×
channel 2I).
Summary of Contents for 6482
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