Instruction Manual

2 ww w.bk precision.com
DC Electronic Loads
M
odels 8500, 8502, 8510, 8512, 8514, 8518, 8520, 8522, 8524, 8526
Features
■ C
onstant current (CC), resistance (CR), voltage
(CV) and power (CP) operation
■ Wide voltage and current range, 0 to 500 V, 0
to 240 A (5000 W max)
■ Low minimum operating voltage of < 0.1 V
and minimum input resistance of 5 mΩ (model
8518) allowing the load to sink high current at
low voltages, required for fuel and solar cell
applications
■ Selected models operate up to 500 V, suitable
for high voltage applications
■ Built-in transient generator
■ Short circuit test
■ Built-in high resolution (0.1 mA/1 mV) voltage
and current measurement (models 8500 &
8502)
■ Bright, easy to read display (VFD technology)
■ Over-Current/Over-Voltage/Over-Power/Over-
Temperature Protection
■ RS232 to TTL, USB to TTL serial
converter cables and application software
included
■ List mode operation for increased throughput.
■ Battery testing mode to provide A*hr rating
of battery (ending voltage level is adjustable)
■ Flexible triggering: Create trigger events by
front panel keystroke, back panel TTL signal,
or software
■ Remote voltage sensing to compensate for the
effect of voltage drop in wires.
■ Store 25 instrument setups
■ Thermostatically-controlled fans allow
operation in quiet environments with minimal
disruption
■ All models are rack mountable. Compact 300
W and 600 W models for bench use
Applications:
■ DC power supply testing
■ Characterization of rechargeable batteries. A
battery test mode is provided that will measure
the ampere*hour (A*hr) characteristic of a
battery
■ Fuel and solar cell test
■ High voltage applications
Low voltage operation
The 8500 series can operate well below 1 V
which is important for low voltage application
such as fuel cell and solar cell testing. All models
can regulate (provide a stable input) down to
0.1 V. Model 8518, due to its particularly low
input resistance, can operate at full scale current
of 240 A at 1.2 V (see image)
Typical minimum operating voltage at full scale current:
8500 8502 8510 8512 8514 8518 8520 8522 8524 8526
1.05 V 3 V 1.8 V 3 V 1.92 V 1.2 V 10.8 V 3.6 V 1.56 V 1.8 V