About the 8540
The B&K Precision 8540 DC electronic load (60V/30A/150W)
can sink DC current in constant current, constant voltage, and
constant resistance modes. Measured values have 10 mV and 1
mA resolution. Shorts can be simulated. Storage is provided for up
to *40 groups, with 4 instrument setups per group. The instrument is
easy to use and will find many uses for testing DC power supplies,
batteries, and DC to DC converters.
Full digital control
1mV /1mA measurement resolution
Compact size
Bright, readable LED display
Operating modes: CC/CV/CR
Input on/off control
High reliability due to OCP/OVP (over
current, over voltage) protection
Storage for *40 groups, 4 setups
each
Easy operation
Features
Constant Resistance (CR) mode
In CR mode, the DC
load will sink a current
linearly proportional to
the voltage at the
terminals.
Constant
V
I
Constant resistance
Constant Current (CC) mode
V
I
Constant Current
CC 時 ,
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來吸取電流
V
Constant current
I
In CC mode, the DC load
draws a constant current
regardless of the voltage on
its terminals.
V
I
Constant voltage
I I
Constant Voltage (CV) mode
In CV mode, the DC
load will draw enough
current to keep the
voltage at the
terminals constant.
*40 groups are applicable for units with firmware
version 1.60 or above. For versions below 1.60, 100
groups are available. Go to “Verify firmware” section
to determine your instrument version.
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