User manual

2
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-analog rotary control; setting resolution
10mV.
Output Current Setting: Direct keyboard entry or quasi-analog 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: Front panel: Universal 4mm safety binding posts on 19mm (0·75”) spacing
Rear panel: Terminal block screw terminals.
Sensing: Remote via rear panel terminal block screw terminals or direct via shorting
strip (supplied).
Output Protection: Forward protection by Over-Voltage-Protection (OVP) trip.
Output will withstand an applied forward voltage of up to 50V (35V/10A) or
35V (18V/20A).
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 Regulation: For any load change, measured at the O/P terminals, using remote sense:
Constant voltage: <0.01% ± 5mV
Constant current: < 0.01% ±0.5mA
Line Regulation: Change in output for a 10% line change:
Constant voltage: <0.01% ± 5mV
Constant current: < 0.01% ± 250uA
Ripple & Noise:
(20MHz bandwidth)
Typically <1mV rms; <3mVrms max in CV mode.
Typically <3mA rms; <5mArms max in CI mode.
HF Common Mode
Noise:
Typically <3mV rms, <15mV peak.
Transient Response:
100µs to within 50mV of setting for a 5% to 95% load change.
Temperature Coefficient:
Typically <100 ppm/°C.
Protection Functions:
Overvoltage trip; regulator overtemperature; sense miswiring.
Status Indication: LED indicators for Output ON, constant voltage mode, constant current
mode, current meter damping, remote operation, and status; trip & error
messages 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.