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EX4210R

• Single outputs, 35V/, 18V/10A, 42V/10A, 20V/20A
• Dual or triple outputs, 35V/4A
• Independent digital voltage and current meters for each output with 4 digit resolution
• Switchable local or remote sensing
• Constant voltage or constant current operation
• Variable 1.5 - 5.0V auxiliary output at (EX354RT)
• Compact design uses less bench space
• Silent fan-free cooling (not EX202R/EX4210R)
• DC output switches, automatic mode indication
• RS232 or USB controlled models available (35V/ single)
• Multi-mode dual model 2x(75V/2A) or 75V/4A or 150V/2A

Power, Precision, Simplicity

The new EX-R series has been extended by incorporating models from the best selling EX series. By adding four digit meters and switchable remote sensing, the  EX-R series offers much higher precision whilst retaining the simplicity of operation which many bench-top power supply users prefer. Six models are offered including single, dual and triple outputs and covering a power range of 175 watts up to 420 watts.

Model Output 1 Output 2 Output 3 Power EX355R 35V/     175W EX1810R 18V/10A     180W EX2020R 20V/20A     400W EX4210R 42V/10A     420W EX354RD 35V/4A 35V/4A   280W EX354RT 35V/4A 35V/4A 1.5 - 5V/5A 305W

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: <200us to within 50mV of setting for a 5% to 95% load change.

Temp. Coefficient: Voltage: typically <100ppm/oC.

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 - 140160320 mm (WxHxD). Dual and triple output models - 260160320 mm (WxHxD).

Weight: EX810R, EX355R - 3.0kg; EX2020R, EX4210R - 3.6kg; EX354RD, EX354RT - 4.3kg.