Keithley 228
Programmable precision source operates in 4-quadrant mode as a bipolar source or sink with up to 100 watts. The current voltage and output current are continuously monitored and displayed. The values can be queried via the IEEE-488 bus. The constant-voltage source has a resolution of 100 mV in the 100 V ranges, 10 mV in the 10 V range, and 1 mV in the 1 V range. The constant-current source has a resolution of 10 mA in the 10 A range, 1 mA in the 1 A range, and 100 µA in the 0.1 A range. Dual 3 1/2-digit LED display. Screw-terminal plug-in module for output, modulation, current monitor and external sense. BNC connector for trigger input/output. PROGRAMMABLE VOLTAGE / CURRENT SOURCE
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Keithley 228
