Compact bench power supply provides 175W

The EX355, new from TTi (Thurlby Thandar Instruments), is a single-output laboratory DC power supply providing an output from 0 to 35V at 0 to 5A.

The EX355, new from TTi (Thurlby Thandar Instruments), is a single-output laboratory DC power supply providing an output from 0 to 35 V at 0 to 5 A.

It is exceptionally compact and lightweight, measuring 140 x 160 x 195 mm and weighing only 3kg.

The EX355 uses mixed-mode regulation technology which combines switch-mode preregulation with linear post-regulation.

Special techniques are used to maintain very high efficiency while achieving noise levels that are close to that of a pure linear regulator.

Line and load regulation are both better than 0.01%, and output noise is less then 2 mV, even at full power.

High power efficiency ensures that the unit remains cool without any fan noise.

High-resolution controls allow accurate setting of voltage and current levels.

The EX355 incorporates separate digital voltage and current meters on each output.

The meters use bright 14 mm (0.56-inch) LED displays, and have an update rate of 4 per second, providing near-instantaneous response.

The unit has been designed to meet the stringent requirements of relevant IEC standards for safety and EMC.

The output is intrinsically short-circuit proof, and is protected against external voltages and reverse currents.

Low heat output ensures that no part of the PSU suffers excessive temperature rise.

The EX355 is an extension to the EX Series of laboratory power supply units, which includes single, dual and triple output models with powers up to 300 W.

The 6X355 costs £259 (plus VAT).

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