Instructions
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POWER SUPPLIES SELECTOR GUIDE
2281S
Precision DC Supply and
Battery Simulator
Dynamic battery simulation
using a battery model
2281S Features
■ Battery simulator
– Simulate a battery based on a dynamic battery model
– Dynamic and static simulation modes to simulate
battery output
– Graphical display of capacity and battery voltage
■ Battery test instrument
– Create a battery model based on a rechargeable battery’s
charge cycle
– Test battery capacity
– Monitor V, I, R and Amp-Hour data
■ Precision power supply
– 6½-digit DMM measurement capability to observe load
currents from 100nA to 6A
– High speed sampling capability, for capturing load current
pulses as narrow as 140μs
■ GPIB, USB, and LAN/LXI interfaces
■ Three-year warranty
2281S-20-6 startup screen.
Battery simulation function.Battery test function.
2281S-20-6
Output Voltage 0–20 V
Output Current –1 to +6 A
Output Power 120 W
Ripple and Noise (20 Hz–20 MHz)
CV p-p (mV): <6 mV
CV RMS (mV): <1 mV
CC RMS (mA): <3 mA
Programming Accuracy
Voltage ±(0.02% + 3 mV)
Current ±(0.05% + 5 mA)
Readback Accuracy
Voltage ±(0.02% + 2 mV)
Current
10 mA/100 mA Range
1 A/10 A Range
±(0.04% + 10 µA)
±(0.05% + 250 µA)
Readback Resolution (under 6.5 digit setting)
Voltage 100 µV
Current 10 nA
Minimum Measurement
Time
0.002 Power Line Cycles
Response Time
Voltage Rising
Slew Rate
10 V/s–100 V/s
Voltage Falling
Slew Rate
10 V/s–100 V/s
Load Transient
Response Time
<50 µs
Programming GPIB/USB/LAN (LXI-C)
Size 2U high, half rack width
Other
Precision measurement power
supply with 6½-digit DMM
measurement capability, GUI,
LXI web interface, output list
function and programmable
output slew rate










