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OUTPUT
Voltage/Current Ranges
EX355R - 0 to >35V; 0
to >5A (175W nominal power)
EX1810R - 0 to >18V; 0
to >10A (180W nominal power)
EX2020R - 0 to >20V; 0
to >20A (400W nominal power)
EX4210R - 0 to >42V; 0
to >10A (420W nominal power)
EX354RD - 2 x (0 to
>35V; 0 to >4A) (280W nominal power)
EX354RT - 2 x (0 to
>35V; 0 to >4A) plus
<1.5 to >5.0V @ 5A (305W 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 <2mV rms,
<10mV pk-pk, (EX355R, EX354RD, EX354RT)
CV mode, 20MHz bandwidth
.
Typically <2mV rms, <20mV pk-pk (EX1810R, EX2020R, EX4210R)
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: <200µs to within 50mV of
setting for a 5% to 95% load change.
Temp. Coefficient: Voltage: typically
<100ppm/°C.
Output Protection
Output Protection: Outputs will withstand
forward voltages up to 40V (EX355R, EX354RD,& EX354RT); 22V
(EX1810R); 25V (EX2020R); 48V (EX4210R). 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 (EX355R,
EX354RD, EX354RT)
Resolution: 1mA
Accuracy: 0·5% of reading ± 3 digits
Current Meter (EX1810R, EX2020R, EX4210R)
Resolution: 10mA
Accuracy: 0·6% of reading ± 3 digits
AUXILIARY OUTPUT (EX354RT only)
Voltage: Variable <1.5V to >5V by front panel
control.
Meter accuracy: 0.3% ± 4 digits.
Current limit: 5A minimum.
Load regulation: <0.5% for 90% load change.
Line regulation: <0.1% for 10% line voltage
change.
Ripple & Noise Typically <2mVrms, <10mVpk-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: EX354RD, EX354RT - 110V to 240V
50/60Hz (universal input); Other Models -
230V AC ± 10% 50/60Hz; 115V to order..
Installation Category II
VA Ratings: EX810R, EX355R - 400VA; EX354RD,
EX354RT - 500VA, EX2020R, EX4210R - 800VA
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: EX1810R, EX355R, EX354RD, EX354RT -
fan-less convection cooling; EX2020R,
EX4210R - fan assisted using low-noise brushless dc fan.
Safety & EMC
Safety: Complies with EN61010-1
EMC: Complies with EN61326
Physical
Size: Single output models - 140x160x320 mm (WxHxD).
Dual and triple output models - 260x160x320 mm (WxHxD).
Weight: EX810R, EX355R - 3.0kg; EX2020R, EX4210R
- 3.6kg; EX354RD, EX354RT - 4.3kg. |
