Emc - Aim TTi LD300 Manual De Instrucciones

This instrument has been designed to meet the requirements of the EMC Directive 2004/108/EC.
Compliance was demonstrated by meeting the test limits of the following standards:
Emissions
EN61326-1 (2013) EMC product standard for Electrical Equipment for Measurement, Control and
Laboratory Use. Test limits used were:
a) Radiated:
b) Conducted: Class B
c) Harmonics: EN61000-3-2 (2006) Class A; the instrument is Class A by product category.
Immunity
EN61326-1 (2013) EMC product standard for Electrical Equipment for Measurement, Control and
Laboratory Use.
Test methods, limits and performance achieved are shown below (requirement shown in
brackets):
a) EN61000-4-2 (2009) Electrostatic Discharge : 8kV air, 4kV contact, Performance A (B).
b) EN61000-4-3 (2006) Electromagnetic Field:
3V/m, 80% AM at 1kHz, 80MHz – 1GHz: Performance B
Performance A (A); 1V/m, 2.0GHz to 2.7GHz: Performance A (A).
c) EN61000-4-11 (2004) Voltage Interrupt: ½ cycle and 1 cycle, 0%: Performance A (B);
25 cycles, 70%: Performance A (C); 250 cycles, 0%: Performance B (C).
d) EN61000-4-4 (2004) Fast Transient, 1kV peak (AC line), 0·5kV peak (Load connections),
Performance A (B).
e) EN61000-4-5 (2006) Surge, 0·5kV (line to line), 1kV (line to ground), Performance A (B).
f) EN61000-4-6 (2009) Conducted RF, 3V, 80% AM at 1kHz (AC line only; Load
connections <3m, therefore not tested), Performance B
According to EN61326-1 the definitions of performance criteria are:
Performance criterion A: 'During test normal performance within the specification limits.'
Performance criterion B: 'During test, temporary degradation, or loss of function or
performance which is self-recovering'.
Performance criterion C: 'During test, temporary degradation, or loss of function or
performance which requires operator intervention or system reset occurs.'
†
Note: In high RF fields (radiated or conducted) the actual load current may deviate beyond the
set current accuracy at certain frequencies up to 200MHz. Such deviations will be small and
infrequent and are unlikely to be a problem in practice. In all other respects the LD300 will
perform normally (Performance A) in RF fields up to 3V/m.
Cautions
To ensure continued compliance with the EMC directive observe the following precautions:
a) after opening the case for any reason ensure that all signal and ground connections are
remade correctly and that 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.
8
Class B
†
(A) and 1.4GHz to 2GHz:
†
(A).

EMC