Specification
Main Output(s)
Output Range: 0-32 Volts nominal (0-15.5V PL154)
0-1.1A nominal (PL310); 0-2.1A nominal (PL320);
0-3.1A nominal (PL330); 0-4A (PL154)
Output Voltage Setting: By coarse and fine controls; resolution better than 5mV across the
range.
Output Current Setting: By single logarithmic control.
Output Mode: The power supply operates in constant current or constant voltage
modes with automatic cross-over. Decimal points flash to indicate
constant current mode.
Configuration Selection: (QMD
and QMT only)
Isolated, True parallel, Series, or Series Tracking via front panel
switches.
Output Switch: Isolates the output and permits voltage and current limits to be set
up before connecting the load.
Output Terminals: 4mm terminals on 19mm (.75") spacing.
Output Impedance:
Constant Voltage: Typically <5mOhm at 1kHz
Constant Current: Typically 50kOhm with voltage limit at maximum
Output Protection: Up to maximum output voltage +20 Volts forward; diode clamped
for reverse voltages and up to 3A reverse current.
Load Regulation: <0.01% of maximum output for 90% load change
Line Regulation: <0.01% of maximum output for 10% line voltage change
Remote Sense: Eliminates up to 0.5V drop per lead
Ripple and Noise: Typically <1mV rms
Transient Response: <20usec to within 50mV of setting for 90% load change
Temperature Coefficient: Typically <100ppm/_o_C
Meter Type: Dual 3.75 digit (4095 count) with 12.5mm (0.5") LEDS. Reading
rate 4 per second.
Meter Resolution:
Voltage: 10mV over the entire range
Current: 1mA over the entire range
Meter Accuracy:
Voltage: 0.1% of reading
Current: 0.3% of reading
Current Meter Damping: Nominally 20ms, switchable to 2 sec for averaging of rapidly
varying loads.
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