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This series of bench power supplies offer high power outputs (in excess of 350 Watts) in a casing
which is both compact and lightweight when compared with conventional designs. Their high
performance is derived from a regulator design which combines switch-mode and linear
techniques to achieve high efficiency with excellent regulation, transient response and very low
noise.
The supplies feature high accuracy voltage and current metering on bright 0.5" LEDs, overvoltage
and thermal protection, and remote sense terminals. The output operates in constant voltage or
constant current mode with automatic crossover and mode indication. Coarse and fine controls
permit the output voltage to be set within 10 mV and the current limit control is logarithmic to give
good resolution at low current settings.
The supplies have a robust steel case which is half-rack width (3U height). They are Safety
Class I, Installation Category II instruments which meet EN61010-1 safety requirements and
EN50081-1, EN50082-1 and EN61000-3-2 EMC standards.
OUTPUT SPECIFICATIONS
Voltage Range:
Current Range:
Output Voltage Setting:
Output Current Setting:
Output Mode:
Output Switch:
Output Terminals:
Sensing:
Output Impedance:
Output Protection:
OVP Range:
OVP Delay:
Load & Line Regulation:
Ripple & Noise:
HF Common Mode Noise: Typically <3mV rms, <10mV peak.
Transient Response:
Temperature Coefficient:
2
Telemeter Electronic GmbH | Joseph-Gaensler-Str. 10 | Phone +49 906 70693-0 | Fax +49 906 70693-50 | www.telemeter.info
Nominally 0-35V (35V/10A)
Nominally 0-18V (18V/20A)
Nominally 0-10A (35V/10A)
Nominally 0-20A (18V/20A)
By coarse and fine controls; 10mV setting resolution.
By single semi-logarithmic control; 10mA setting resolution.
Constant voltage or constant current with automatic crossover.
Electronic. Preset voltage and current displayed when off.
4mm terminals on front panel, screw terminals at rear.
Remote via rear panel screw terminals or direct via shorting strip
(supplied).
<1mΩ in constant voltage mode.
>5kΩ in constant current mode (voltage limit at max.).
Forward protection by Over-Voltage-Protection (OVP) trip; maximum
voltage that should be applied to the terminals is 50V.
Reverse protection by diode clamp for reverse currents up to 3A.
10% to 110% of maximum output voltage set by front panel
screwdriver adjustment.
<200µs
<0.01% of maximum output for 90% load change or 10% line
change.
<1mV rms typical in constant voltage
<3mA rms typical in constant current.
20µs to within 50mV of setting for 90% load change.
Typically <100 ppm/°C.
Introduction
Specification
3
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