Aim-TTi EX355R Digital Bench Power Supply

Description

The Aim-TTi EX355R Digital Bench Power Supply is a single-output benchtop PSU optimised for use in laboratories. It has a maximum power output of 175W, a voltage output range of 0 to 35V, and a current output range of 0 to 5A.

Mixed-Mode Regulation

The Aim-TTi EX355R Digital Bench Power Supply combines high-frequency switch-mode regulation and linear post-regulation to provide a performance similar to that of PSUs with an all-linear design. As a result, the Aim-TTi EX355R Digital Bench Power Supply has excellent line and load regulation, low noise, and good transient response.

Output

The design of the output terminal ensures that the Aim-TTi EX355R Digital Bench Power Supply is compliant with common laboratory safety standards as it can accept 4mm safety plugs with rigid insulating sleeves. However, this does not compromise the Aim-TTi EX355R Digital Bench Power Supply’s flexibility as it can also accept fork connectors and bare wires.

In addition to this, the Aim-TTi EX355R Digital Bench Power Supply’s output is intrinsically short-circuit proof and is protected against external voltages and reverse currents.

Remote Sensing

Moreover, the Aim-TTi EX355R Digital Bench Power Supply’s output incorporates remote sense terminals that can be enabled and disabled using a dedicated switch: when the switch is set to Local, remote sensing is disabled.

Remote sensing terminals are essential for ensuring precise regulation of the load and true metering of the load voltage.

DC On/Off Switch

Additionally, the Aim-TTi EX355R Digital Bench Power Supply features a DC On/ Off switch that allows the user to view preset currents and voltages before connecting the load.

Constant Voltage or Constant Current

The Aim-TTi EX355R Digital Bench Power Supply’s output can be configured to operate in either Constant Voltage or Constant Current mode. It is equipped with a mode indicator and automatic crossover.

Simple-To-Use

Fine and coarse analogue controls allow voltage levels to be set quickly and precisely. The Aim-TTi EX355R Digital Bench Power Supply’s logarithmic current control ensures that low currents can be set accurately.

Four-Digit Meter

Data is viewable via the large, bright, four-digit display with fixed resolution (10mV and 1mA). The Aim-TTi EX355R Digital Bench Power Supply’s fixed resolution works to prevent misinterpretation of readings and improves precision.

Silent Cooling

The Aim-TTi EX355R Digital Bench Power Supply does not emit any fan noise as it utilises convection cooling. It is reliable, precise, and simple to use as a result of its four-digit meter, switchable remote sensing, and analogue controls.

Aim-TTi EX355R Digital Bench Power Supply Key Features

A single-output benchtop PSU optimised for laboratories
Maximum power output: 175W
Voltage output range: 0 to 35V
Current output range: 0 to 5A
Mixed-mode regulation: combines high-frequency, switch-mode regulation, and linear post-regulation
Mixed-mode regulation provides performance similar to that of PSUs with an all-linear design
Mixed-mode regulation ensures excellent line and load regulation, low noise, and good transient response
Output terminal can accept 4mm safety plugs with rigid insulating sleeves, fork connectors, and bare wires
The output is intrinsically short circuit proof
The output is protected against external voltages and reverse currents
Remote sense terminals that can be enabled and disabled using a dedicated switch
Remote sensing terminals ensure precise regulation of the load and true metering of the load voltage
DC On/Off switch: view preset currents and voltages before connecting the load
Constant Voltage and Constant Current modes with automatic crossover and mode indication
Fine and coarse analogue controls allow voltage levels to be set quickly and accurately
Logarithmic control ensures low currents can be set accurately
Large, bright, four-digit meter with a fixed resolution (10mV and 1mA)
Fixed resolution prevents misinterpretation and improves precision
Silent convection cooling – does not emit fan noise
Reliable, precise, and simple-to-use PSU

What’s Included?

Aim-TTi EX355R Digital Bench Power Supply – 175W, 1 Output

Tech Specs

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 are displayed when the 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 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 the 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 the 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