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OUTPUT
Voltage/Current Ranges
EL301R - 0 to >30V; 0 to >1A (30W nominal power)
EL183R - 0 to >18V; 0 to >3.3A (60W nominal power)
EL302R - 0 to >30V; 0 to >2A (60W nominal power)
EL561R - 0 to >56V; 0 to >1.1A (60W nominal power)
EL155R - 0 to >15V; 0 to >5A (75W nominal power)
EL303R - 0 to >30V; 0 to >3A (90W nominal power)
EL302RD - 2 x (0 to >30V; 0 to >2A) (120W nominal
power)
EL302RT - 2 x (0 to
>30V; 0 to >2A) plus 1.5 to 5.0V @ 2A
(130W nominal power)
Output Setting & Control
Voltage Setting: By coarse and fine controls.
Current Setting: By single logarithmic control.
Output Mode: Constant voltage or constant
current with automatic cross-over. CC indicator in
constant current mode.
Output Switch: Electronic, non isolating. Preset
voltage and current limit displayed when Output off.
Output Performance
Ripple & Noise: Typically <1mV rms, (CV mode,
20MHz bandwidth).
Load Regulation: <0·01% of maximum output for a
90% load change (using remote sense).
Line Regulation: <0·01% of maximum output for
10% line change.
Transient Response: <50µs to within 50mV of
setting for a 5% to 95% load change.
Temp. Coefficient: Voltage: typically
<100ppm/°C.
Output Protection
Output Protection: Output will withstand forward
voltages of up to 20V above rated output voltage.
Reverse protection by diode clamp for currents to 3A.
Output Connections
Output Terminals: Universal 4mm safety binding
posts on 19mm (0·75”) spacing.
Terminals can accept fixed shroud 4mm plugs, standard 4mm plugs,
fork terminals and bare wires.
Remote Sense
Sense Selection: Voltage sensing is selected as
Local or Remote by front panel switch.
Sense Terminals: Sprung loaded screw-less terminals.
METER SPECIFICATIONS
Display Type: Dual 4-digit meters, 14mm (0·56”)
LED.
Voltage Meter
Resolution: 10mV
Accuracy: 0·3% of reading ± 3 digits
Current Meter
Resolution: 1mA
Accuracy: 0·5% of reading ± 3 digits
AUXILIARY OUTPUT (EL302RT only)
Voltage: Variable <1.5V to >5V by front panel
control.
Meter accuracy: 0.3% ± 4 digits.
Current limit: 2A minimum.
Load regulation: <3% for 90% load change.
Line regulation: <0.2% for 10% line voltage
change.
Ripple & Noise Typically <5mVrms, <15mVpk-pk
(20MHz bandwidth):
Output Protection: Output will withstand up to
7V forward voltage.
Diode clamp reverse protection for currents up
to 3A.
Output Terminals: Universal 4mm safety binding
posts on 19mm (0·75”) spacing.
Status Indication: UNREG lamp.
GENERAL
Input
AC Input: 230V AC or 115V AC ± 10%, 50/60Hz.
Installation Category II
VA Ratings: EL301R - 85 VA; EL302R, EL302P,
EL183R, EL561R - 160VA; EL155R, EL303R -
250VA;
EL302RD, EL302RT - 320VA
Temperature & Environmental
Operating Range: +5ºC to +40ºC, 20% to 80% RH
Storage Range: -40ºC to + 70ºC
Environmental: Indoor use at altitudes up to
2000m, Pollution Degree 2.
Cooling: Silent fan-less convection cooling.
Safety & EMC
Safety: Complies with EN61010-1
EMC: Complies with EN61326
Physical
Size: Single output models - 140x160x295 mm (WxHxD).
Dual and triple output models - 260x160x295 mm (WxHxD).
Weight: EL301R - 3.4kg; EL302R, EL302P, EL183R,
EL561R - 4.4kg:
EL155R, EL303R - 5.0kg; EL302RD, EL302RT - 7.5kg. |
