| EX-R Series - Model Range |
| Model |
EX355R |
EX1810R |
EX2020R |
EX4210R |
EX354RD |
EX354RT |
| |
0 to >35V; 0 to >5A |
0 to >18V; 0 to >10A |
0 to >20V; 0 to >20A |
0 to >42V; 0 to >10A |
2 x (0 to >35V; 0 to >4A) |
2 x (0 to >35V; 0 to >4A)
plus <1.5 to >5.0V @ 5A |
| Nominal Power |
175W |
180W |
400W |
420W |
280W |
305W |
| OUTPUT SPECIFICATIONS |
| Voltage Setting: |
By coarse and fine controls. |
| Current Setting: |
By coarse and fine controls. |
| Output Mode: |
Constant voltage or constant current with automatic cross-over.
CC indicator lit in constant current mode |
| Output Switch: |
Electronic, non isolating. Preset voltage and current limit displayed
when Output is off. On state indicated by LED. |
| Ripple & Noise: |
Typically <2mV rms, <10mV pk-pk (EX355R, EX354RD, EX354RT)
Typically <2mV rms, <20mV pk-pk (EX1810R, EX2020R, EX4210R)
(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: |
<200µs to within 50mV of setting for a 5% to 95% load change |
| 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 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. |
| 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. |
| Resolution: |
10mV |
| Accuracy: |
0·3% of reading ± 3 digits |
| Resolution: |
1mA |
| Accuracy: |
0·5% of reading ± 3 digits |
| 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 SPECIFICATIONS |
| AC Input: |
EX354RD, EX354RT - 110V to 240V 50/60Hz (universal input); Other Models - 230V AC ± 10% 50/60Hz; 115V to order. |
| VA Ratings: |
EX810R, EX355R - 400VA; EX354RD, EX354RT - 500VA EX2020R, EX4210R - 800VA. |
| Operating Range: |
+5°C to +40°C, 20% to 80% RH |
| Storage Range: |
-40°C to + 70°C |
| 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: |
Complies with EN61010-1 |
| EMC: |
Complies with EN61326 |
| Size: |
Single output models - 140x160x320 mm (WxHxD). Dual and triple output models - 260x160x320 mm (WxHxD). |
| Weight: |
3.0kg |
3.6kg |
4.3kg. |