Programmable Voltage / Current Source
Unit with IEEE-488 Interface
The Keithley 228 is a Programmable Voltage/Current Source capable of bipolar source or sink up to 100 watts without derating, permitting it to act as a voltage or current supply or as an active load.
4 Quadrant Operation
100 watt source or sink
<1ms transient recovery
Built-in voltage and current monitors
Display: 3,5 digits LED
Constant current and constant voltage source
Rechargeable battery: 3.6 V nickel-cadmium
Trigger in and out TTL compatible
IEEE-488 interface
Front panel programs: Copy, Sink, IEEE address, Mod V, Mod I, Test , Reset
Response time: 30 ms max. to 99 % of programmable change
Max. common mode voltage: 100 V DC
Accuracy: 2% typ., DC to 60 Hz
Line regulation: <0.01 %
Constant current source:
Resolution:
At 10 A: 10 mA
At 1 A: 1 mA
At 0,1 A: 100 μA
Constant voltage source:
Resolution:
At 100 V: 100 mV
At 10 V: 10 mV
At 0,1 V: 100 μV
Dimension (HxWxD): 133 mm x 435 mm x 448 mm
Weight net: 10.9 kg
€ 1,400 $1,680 (US)