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Aim-TTi EX354RD Digital Bench Power Supply – 280W, 2 Outputs

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51153-7600
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The Aim-TTi EX354RD Digital Bench Power Supply is a dual-output, benchtop, laboratory PSU with two four-digit meters and switchable remote sensing. It has a maximum power output of 280W, a voltage output range of 0 to 35V, and a current output range of 0 to 4A.

Dual Output

The Aim-TTi EX354RD Digital Bench Power Supply’s outputs are independent, isolated and equipped with a dedicated On/Off switch. These outputs can be wired in series or parallel to provide up to 70V or up to 8A.

Both of the Aim-TTi EX354RD Digital Bench Power Supply’s outputs are intrinsically short-circuit-proof and are protected against external voltages and reverse currents.

Furthermore, to maintain compliance with the safety regulations of most laboratories, the Aim-TTi EX354RD Digital Bench Power Supply’s output terminals have been designed to accept 4mm safety plugs with rigid insulating sleeves. However, to ensure maximum flexibility, these outputs can also accept fork connectors and bare wires.

Remote Sensing

Each of the Aim-TTi EX354RD Digital Bench Power Supply’s outputs also includes remote sensing terminals which are essential to maintaining precise regulation at the load and true metering of the load voltage. Remote sense terminals can be activated and deactivated via a dedicated switch: when the switch is set to Local the remote sense terminals are deactivated.

DC On/Off Switches

The user can view preset voltages and currents prior to connecting a load using the Aim-TTi EX354RD Digital Bench Power Supply’s DC On/ Off switch. Each of the Aim-TTi EX354RD Digital Bench Power Supply’s outputs features an independent DC On/Off switch. 

Constant Current or Constant Voltage Mode

Each of the Aim-TTi EX354RD Digital Bench Power Supply’s outputs can be set to operate in Constant Current or Constant Voltage mode with automatic crossover and mode indication.

Simple-To-Use

Voltage levels can be configured quickly, easily and accurately using the Aim-TTi EX354RD Digital Bench Power Supply’s coarse and fine analogue controls. To enable low currents to be set accurately, the Aim-TTi EX354RD Digital Bench Power Supply includes a logarithmic current control.

Four-Digit Meters

Voltage and current data are indicated via the Aim-TTi EX354RD Digital Bench Power Supply’s large, bright, four-digit displays with a fixed 10mV and 1mA resolution. The Aim-TTi EX354RD Digital Bench Power Supply’s fixed resolution prevents misinterpretation of readings and improves precision.

Each of the Aim-TTi EX354RD Digital Bench Power Supply’s has an independent display. 

Mixed-Mode Regulation

To ensure excellent line and load regulation, low noise, good transient response and performance close to that of a PSU with an all-linear design, the Aim-TTi EX354RD Digital Bench Power Supply is equipped with Mixed-Mode Regulation. This combines high-frequency, switch-mode regulation with linear post-regulation.

Silent Cooling

Finally, the Aim-TTi EX354RD Digital Bench Power Supply utilises convection cooling making it entirely free of fan noise.

The Aim-TTi EX354RD Digital Bench Power Supply is a precise, practical and powerful dual-output PSU.

Aim-TTi EX354RD Digital Bench Power Supply Key Features

  • Dual-output, benchtop, laboratory PSU with a four-digit meter and switchable remote sensing
  • Maximum power output: 280W
  • Voltage output range: 0 to 35V
  • Current output range: 0 to 4A
  • Outputs are isolated, independent and equipped with a dedicated On/Off switch
  • Outputs can be wired in series or parallel to provide up to 70V or up to 8A
  • Outputs are intrinsically short-circuit-proof
  • Outputs are protected against external voltages and reverse currents
  • Output terminals can accept 4mm safety plugs with rigid insulating sleeves, bare wires and fork connectors
  • Remote sensing terminals maintain precise regulation at the load and true metering of the load voltage
  • Switch for activating and deactivating remote sense terminals
  • DC On/ Off Switch: view preset voltages and currents prior to connecting a load
  • Each output has a dedicated DC On/Off switch
  • Constant Voltage and Constant Current modes for each output with automatic crossover and mode indication
  • Configure voltage levels easily, precisely and quickly using coarse and fine analogue controls
  • Use the logarithmic current control to set low currents accurately
  • Large, bright, four-digit display for each output
  • Fixed resolution: 10mV and 1mA
  • Fixed resolution prevents misinterpretation and improves precision
  • Mixed-Mode Regulation: combines high-frequency, switch-mode regulation with linear post-regulation
  • Mixed-Mode Regulation ensures excellent line and load regulation, low noise and good transient response
  • Mixed-Mode Regulation provides performance close to that of a PSU with an all-linear design
  • Silent cooling: utilises convection cooling eliminating fan noise
  • Precise, practical and powerful dual-output PSU

What’s Included?

  • Aim-TTi EX354RD Digital Bench Power Supply – 280W, 2 Outputs

Aim-TTi EX-R Digital Bench Power Supplies Technical Specifications

EX-R Model Range 
Voltage/Current Levels 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 Specifications 
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 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.
Output Performance  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 Regualtion  <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 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
Note 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 Specifications 
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
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Additional Information
SKU 51153-7600
Manufacturer Part Code 51153-7600

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