Specification
OUTPUT SPECIFICATIONS
Output Voltage Range: 0V to 35.3V (35V/10A); 0V to 18.15V (18V/20A).
Output Current Range: 0.01A to 10.2A (35V/10A); 0.01A to 20.2A (18V/20A).
Output Voltage Setting: Direct keyboard entry or quasi-analogue rotary control; setting
resolution 10mV.
Output Current Setting: Direct keyboard entry or quasi-analogue rotary control; setting
resolution 10mA.
Output Mode: Constant voltage or constant current with automatic crossover.
Output Switch: Electronic. Preset voltage and current displayed when off.
Output Terminals: 4mm terminals on front panel, screw terminals at rear.
Sensing: Remote via rear panel screw terminals or direct via shorting strip
(supplied).
Output Impedance:
<1mΩ in constant voltage mode.
>5kΩ in constant current mode (voltage limit at max.).
Output Protection: Forward protection by Over-Voltage-Protection (OVP) trip;
maximum voltage that should be applied to the terminals is 50V.
Reverse protection by diode clamp for reverse currents up to 3A.
OVP Setting: Direct keyboard entry.
OVP Range: 1V to 40V (35V/10A); 1V to 25V (18V/20A).
OVP Delay: <200µs
Load & Line Regulation: <0.01% of maximum output for 90% load change or 10% line
change.
Ripple & Noise: <1mV rms typical in constant voltage.
<3mA rms typical in constant current.
HF Common Mode Noise: Typically <3mV rms, <10mV peak.
Transient Response: 20µs to within 50mV of setting for 90% load change.
Temperature Coefficient: typically <100 ppm/°C.
Protection Functions: Overvoltage trip; regulator overtemperature; sense miswiring.
Status Indication: Output off lamp; constant voltage mode lamp;
constant current mode lamp; trip message on display.
METER SPECIFICATIONS
Meter Types: Dual 4 digit meters with 12·5mm (0.5") LEDs. Reading rate 4Hz.
Meter Resolution: 10mV, 10mA
Meter Accuracy: Voltage 0.2% of reading ± 1 digit, current 0.5% of reading ± 1 digit.
KEYBOARD FUNCTIONS
Delta Mode: Increase or decrease voltage or current in user-selectable steps.
Store/Recall: Store and recall voltage, current and OVP levels from non-volatile
memory (25 memories).
Interface Selection: Set digital interface type (RS232 or GPIB), baud rate and address.
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