Tenma 72-6851 & 72-6853 Instruction manual
EMC
This power supply has been designed to meet the requirements of the European EMC Directive
89/336/EEC.
Compliance was demonstrated by meeting the test limits of the following standards:
Emissions
EN50081-1 (1992) Generic emission standard for residential commercial and light
industry. Test methods and limits used were:
a) EN55022 Conducted, Class B
b) EN55022 Radiated, Class B
Immunity
EN50082-1 (1992) Generic immunity standard for residential, commercial and light
industry. Test methods and limits used were:
a) EN60801-2 (1993) Electrostatic Discharge, 8kV air discharge.
b) IEC801-3 (1984) RF Field, 3V/m.
c) IEC801-4 (1988) Fast Transient, 1kV peak (AC line) and 0.5kV peak (DC output,
GPIB and RS232 interfaces) .
Cautions
To ensure continued compliance with the EMC directive the following precautions
should be observed:
a) after opening the case for any reason ensure that all signal and ground connections
are remade correctly before replacing the cover. Always ensure all case screws are
correctly refitted and tightened.
b) In the event of part replacement becoming necessary, only use components of an
identical type, see the Service Manual.
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