5
EMC
This Current Probe has been designed to meet the requirements of the EMC Directive 2004/108/EC
when operated with the supplied AC Power Adaptor.
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: Class A
b)
Conducted: Class B
c)
Harmonics: EN61000-3-2 (2006) Class A; the instrument is Class A by product category.
Immunity
EN61326 (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 (1995) 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
*
(A) and 1.4GHz to
2GHz: Performance A (A); 1V/m, 2.0GHz to 2.7GHz: Performance A (A).
*
Note:
The current probe is a sensitive measuring instrument that, by design, measures
magnetic fields. The sensor will respond to a sufficiently large RF field and a measurement
being made might be disturbed, particularly if the current level being measured is small. In all
other respects the instrument will operate correctly (Performance A) in fields up to 3V/m.
c)
EN61000-4-11 (2004) Voltage Interrupt:
½-cycle, 0%: Performance A (B); 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 only; signal connections <3m, therefore not tested
†
), Performance B (B).
e)
EN61000-4-5 (2006) Surge: 0·5kV (line to line), 1kV (line to ground), Performance A (B).
f)
EN61000-4-6 (2007) Conducted RF:
3V, 80% AM at 1kHz (AC line only; signal connections <3m, therefore not tested
†
), Performance
A (A).
†
Signal connections were not tested on the basis that they are <3m, for which there is no test
requirement.
Performance Definitions
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.’