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Specification
MAIN OUTPUTS
Voltage Range: 0V to 18V minimum (XPL 18-3)
0V to 30V minimum (XPL 30-1, XPL 30-2, XPL 30-2D, XPL 30-2T)
0 to 56V minimum (XPL 56-1)
Current Range: 0A to 1A minimum (XPL 30-1)
0A to 1.1A minimum (XPL 56-1)
0A to 2A minimum (XPL 30-2, XPL 30-2D, XPL 30-2T)
0A to 3.3A minimum (XPL 18-3)
Voltage Setting: By coarse and fine controls.
Current Setting: By single logarithmic control.
Operating Mode: Constant voltage or constant current with automatic cross-over.
Output Switch: Electronic. Preset voltage and current displayed when off.
Output Terminals: Universal 4mm safety binding posts on 19mm (0.75”) pitch.
Output Impedance:
Typically <5mΩ in constant voltage mode.
Typically >50kΩ in constant current mode.
Output Protection: Outputs will withstand forward voltages of up to 20V above the rated
output voltage. Reverse protection by diode clamp for currents up to 3A.
Load Regulation: <0.01% of maximum output for 90% load change.
Line Regulation: <0.01% of maximum output for 10% line change.
Ripple & Noise:
(20MHz bandwidth)
Typically <1mVrms (CV mode).
Transient Load Response: <20µs to within 50mV of set level for 90% load change.
Temperature Coefficient: Typically <100ppm/°C.
Status Indication: Output on lamp. Constant current mode lamp.
METER SPECIFICATIONS (Main Outputs)
Meter Types: Dual 3 digit meters with 14mm (0.56") LEDs. Reading rate 4 Hz.
Meter Resolutions: 100mV, 10mA.
Meter Accuracies: Voltage 0.3% of reading ± 1 digit.
Current 0.6% of reading ± 1 digit.
AUXILIARY LOGIC OUTPUT (XPL30-2T only)
Voltage: Variable <1.5V to >5V by front panel control.
Meter Voltage Accuracy: 0.3% ± 1 digit.
Current Limit: 2A minimum.
Output Protection: Output will withstand up to 7V forward voltage. Diode clamp reverse
protection for currents up to 3A.
Ripple & Noise
(20MHz bandwidth):
Typically <5mVrms, <15mVpk-pk (CV mode).
Load Regulation: <3% for 90% load change.
Line Regulation: <0.2% for 10% line voltage change.
Status Indication: UNREG lamp.
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