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CISPR 14-1
Edition 5.0
2008-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
AMENDMENT 1
AMENDEMENT 1
Electromagnetic compatibility – Requirements for household appliances,
electric tools and similar apparatus –
Part 1: Emission
CISPR 14-1:2005/A1:2008
Compatibilité électromagnétique – Exigences pour les appareils
électrodomestiques, outillages électriques et appareils analogues –
Partie 1: Emission
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CISPR 14-1
Edition 5.0
2008-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
AMENDMENT 1
AMENDEMENT 1
Electromagnetic compatibility – Requirements for household appliances,
electric tools and similar apparatus –
Part 1: Emission
Compatibilité électromagnétique – Exigences pour les appareils
électrodomestiques, outillages électriques et appareils analogues –
Partie 1: Emission
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
PRICE CODE
CODE PRIX
ICS 33.100.10
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
P
ISBN 2-8318-1014-0
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CISPR 14-1 Amend. 1 © IEC:2008
–2–
FOREWORD
This amendment has been prepared by CISPR subcommittee F: Interference relating to
household appliances tools, lighting equipment and similar apparatus.
The text of this amendment is based on the following documents:
FDIS
Report on voting
CISPR/F/491/FDIS
CISPR/F/502/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
•
•
•
•
reconfirmed,
withdrawn,
replaced by a revised edition, or
amended.
_____________
CONTENTS
Replace the existing title of subclause 8.4 by the following:
8.4
Non-compliance
Add the titles of Clauses 9 and 10 as follows:
9
Methods of measurement of radiated emission (30 MHz to 1 000 MHz)
10 Measurement uncertainty
Add the following new Tables 4, 5, and 6 :
Table 4 – General margin to the limit for statistical evaluation
Table 5 – Factor k for the application of the non-central t-distribution
Table 6 – Application of the binomial distribution
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CISPR 14-1 Amend. 1 © IEC:2008
–3–
Foreword
Delete the following sentence: “This publication has been drafted in accordance with the
ISO/IEC Directives, Part 2.”
1
Scope
1.1 Add, to the second paragraph, the following sentence:
Both mains powered appliances and battery powered appliances are included.
Insert, at the end of NOTE 1, the following new item:
–
2
arc welding equipment: CISPR 11.
Normative references
Add the following new references:
IEC 61000-4-20:2003, Electromagnetic compatibility (EMC) – Part 4-20: Testing and
measurement techniques – Emission and immunity testing in transverse electromagnetic
(TEM) waveguides
CISPR 16-1-4:2007, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 1-4: Radio disturbance and immunity measuring apparatus – Ancillary
equipment – Radiated disturbances
Amendment 1 (2007)
CISPR 16-2-3:2006, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 2-3: Methods of measurement of disturbances and immunity – Radiated
disturbance measurements
CISPR 16-4-2:2003, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 4-2: Uncertainties, statistics and limit modelling – Uncertainty in EMC
measurements
3
Definitions
3.13
battery box
Replace the existing definition with the following:
compartment which is separate from the toy or appliance and in which the batteries are
placed
Add the following new definitions after definition 3.23
3.24
clock frequency
the fundamental frequency of any signal used
which are solely used inside integrated circuits (IC).
in
the
device
excluding
those
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CISPR 14-1 Amend. 1 © IEC:2008
–4–
NOTE High frequencies are often generated inside of integrated circuits (IC) by phase-locked-loop (PLL) circuits
from lower clock oscillator frequencies outside the IC.
3.25
battery-operated appliance
appliance which is operated only from batteries and has no provision for performing its
intended function when connected to the mains, either directly or via a power supply.
NOTE 1
Toys are not considered to be appliances.
NOTE 2 An appliance which has provision for charging but cannot perform its intended function during charging is
considered to be a battery-operated appliance.
3.26
mains-operated appliance
all appliances which are not battery-operated appliances
NOTE Toys are not considered to be appliances.
4
Limits of disturbance
Replace the text immediately preceding subclause 4.1 with the following new text:
Radio disturbance measurements below 148,5 kHz and above 1 000 MHz do not need to be
carried out.
4.1
Continuous disturbance
Replace subclauses 4.1.2 and 4.1.3 by the following:
4.1.2
Frequency range 30 MHz to 1 000 MHz
4.1.2.1
Disturbance power measurement in the frequency range 30 MHz to 300 MHz
The limits of the disturbance power are given in Table 2a. Disturbance power is measured in
accordance with Clause 6, at all terminals.
Table 2a – Disturbance power limits for the frequency range 30 MHz to 300 MHz
Household and
similar appliances
1
2
3
Frequency
range
(MHz)
Tools
4
5
Rated motor power not
exceeding 700 W
dB (pW)
Quasipeak
dB (pW)
Averagea
dB (pW)
Quasipeak
dB (pW)
Average a
6
7
Rated motor power
above 700 W and not
exceeding 1 000 W
dB (pW)
Quasipeak
dB (pW)
Average a
8
9
Rated motor power
above 1 000 W
dB (pW)
Quasipeak
dB (pW)
Average a
55 to 65
45 to 55
Increasing linearly with the frequency from:
30 to 300
a
45 to 55
35 to 45
45 to 55
35 to 45
49 to 59
39 to 49
If the limit for the measurement with the average detector is met when using a receiver with a quasi-peak
detector, the equipment under test shall be deemed to meet both limits and the measurement using the
receiver with an average detector need not be carried out.
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CISPR 14-1 Amend. 1 © IEC:2008
–5–
Table 2b – Margin when performing disturbance power measurement
in the frequency range 30 MHz to 300 MHz
Household and similar
appliances
1
2
3
Frequency
range
(MHz)
Tools
dB (pW)
Quasi-peak
dB (pW)
Average
4
5
6
7
Rated motor power not
exceeding 700 W
Rated motor power above
700 W and not exceeding
1 000 W
dB (pW)
Quasi-peak
dB (pW) Quasipeak
dB (pW)
Average
dB (pW)
Average
8
9
Rated motor power
above 1 000 W
dB (pW)
Quasi-peak
dB (pW)
Average
0 to 10 dB
-
Increasing linearly with the frequency from:
200 to 300
NOTE 1
0 to 10 dB
-
0 to 10 dB
-
0 to 10 dB
-
This table only applies if specified in 4.1.2.3.2.
NOTE 2
The measured result at a particular frequency shall be less than the relevant limit minus the
corresponding margin (at that frequency).
4.1.2.2
Radiated disturbances measurement in the frequency range 30 MHz to
1 000 MHz
The limits of radiated disturbances are given in Table 3. Radiated disturbances are measured
in accordance with the standards and testing methods given in Table 3.
Table 3 – Radiated disturbance limits and testing methods
for the frequency range 30 MHz to 1 000 MHz
Testing method
Standard
Frequency range
Limit
MHz
dBμV/m
Remark
Quasi-peak
OATS
a
or SAC
bd
CISPR 16-2-3
FAR e
CISPR 16-2-3
TEM-Waveguide c
IEC 61000-4-20
NOTE
30 – 230
30
230 – 300
37
300 – 1 000
37
30 – 230
42 to 35
230 – 1 000
42
30 – 230
30
230 – 1 000
37
Measurement
distance 10 m
f
Measurement
distance 3 m
–
The lower limit is applicable at the transition frequency.
a
OATS = open area test site
b
SAC = semi-anechoic chamber
c
The TEM-waveguide is limited to devices without cables attached and with a maximum size according to
subclause 6.1 of IEC 61000-4-20 (The largest dimension of the enclosure at 1 GHz measuring frequency is
one wavelength, 300 mm at 1 GHz)
d
Measurements may be made at closer distance, down to 3 m. An inverse proportionality factor of 20 dB per
decade shall be used to normalize the measured data to the specified distance for determining compliance.
e
FAR = fully anechoic room. All equipment, including floor-standing equipment, shall be measured within the
test volume as described in Figure 6 of CISPR 16-2-3.
f
Decreasing linearly with the logarithm of the frequency.
In any situation where it is necessary to verify the original measurement, the measuring
method and measuring distance originally chosen shall be used in order to ensure
consistency of the results.
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–6–
4.1.2.3
CISPR 14-1 Amend. 1 © IEC:2008
Application of the limits
4.1.2.3.1
General
This subclause describes application of the limits for all appliances (see Figure 10).
Regulating controls which incorporate semiconductor devices, electric fence energizers,
rectifiers, battery chargers and converters, which do not contain any clock frequency higher
than 9 kHz, are not subject to the requirements in the frequency range 30 MHz to 1 000 MHz.
4.1.2.3.2
Mains operated appliances
The equipment under test shall be evaluated for emissions in the 30 MHz to 1 000 MHz range
by testing in accordance with either method a) or b), see also Figure 10.
a) The limits in columns 2 and 3 of Table 2a for the frequency range from 30 MHz to
300 MHz shall be met by all appliances except for electric tools. For electric tools the
particular limits given in columns 4 to 9 of Table 2a apply according to the rated power of
the motor, excluding the power of any heating device (for instance heating power in a
blower for plastic welding).
Appliances are deemed to comply in the frequency range from 300 MHz to 1 000 MHz if
both of the following conditions (1) and 2)) are fulfilled:
1) all emission readings from the equipment under test shall be lower than the applicable
limits (Table 2a) reduced by the margin (Table 2b);
2) the maximum clock frequency shall be less than 30 MHz.
If either of condition 1) or 2) is not fulfilled, radiated measurements in the frequency range
from 300 MHz to 1 000 MHz shall be conducted and the limits of Table 3 for that range
applied. In any case the limits of Table 2a in the frequency range 30 MHz to 300 MHz
shall be met.
b) The limits in Table 3 shall be met. Any of the measurement methods mentioned in Table 3
can be selected by the manufacturer except that the TEM-waveguide shall be used only
for battery powered appliances not intended to have external cables attached (see also
Note c in Table 3).
The test report shall state which method was used and which limits were applied.
4.1.2.3.3
Battery operated appliances
For all battery operated appliances the limits in Table 3 apply for the frequency range from
30 MHz to 1 000 MHz (See also Figure 11). Any of the measurement methods mentioned in
Table 3 can be selected by the manufacturer except that the TEM-waveguide shall be used
only for battery powered appliances not intended to have external cables attached.
The test report shall state which method was used and which limits were applied. Battery
operated appliances which do not contain active electronic circuits or motors shall not be
measured. These appliances are considered to comply without testing.
NOTE Examples of active electronic circuits include circuits containing transistors, thyristors and relays. A LED
connected to a battery via a manual switch is not an active electronic circuit if the current is limited only by a
resistor or a transistor operating linearly, but it is an active switching circuit if the current is pulsed using a
transistor.
4.2.1
Replace the existing text by the following:
The limits for discontinuous disturbance depend mainly on the character of the disturbance
and on the click rate N as given in detail in 4.2.2 and 4.2.3.
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CISPR 14-1 Amend. 1 © IEC:2008
–7–
No discontinuous disturbance limits apply in the frequency range 30 MHz to 1 000 MHz.
NOTE
The level of disturbances below 30 MHz is interpreted as an indication for the level above 30 MHz.
6.2.1
Replace the text of this subclause as follows:
6.2.1 The distance between the clamp test set-up (the appliance, the lead to be measured
and the absorbing clamp) and any other conductive objects (including persons, walls and
ceiling, but excluding the floor) shall be at least 0,8 m. The appliance to be tested shall be
placed on a non-metallic support table parallel to the floor. The height of the table shall be
0,1 m ± 0,025 m for appliances primarily intended to be positioned on the floor in normal use,
and 0,8 m ± 0,05 m for other appliances.
The lead to be measured is placed in a straight line for a distance sufficient to accommodate
the absorbing clamp, and to permit the necessary measuring adjustment of position for tuning.
The clamp is placed around the lead.
7.1.5
Replace the existing second paragraph by the following:
Apparatus which incorporate electronic regulating controls shall have the controls adjusted for
maximum disturbance in accordance with the procedure outlined in 7.2.6.1, in both frequency
ranges 148,5 kHz to 30 MHz and 30 MHz to 1 000 MHz.
7.2.2
Battery operated equipment
Replace the existing title and text of this subclause with the following:
7.2.2
Battery operated appliances
The appliance shall be tested operating in each permitted mode and in accordance with the
operating conditions given in 7.3.
7.2.6
Regulating controls incorporating semiconductor devices
Delete the existing note preceding subclause 7.2.6.1.
7.3.1.3
Add to this subclause the following title:
7.3.1.3
Coffee grinders and coffee makers
Add the following new subclauses:
7.3.1.3.1
Coffee grinders
Coffee grinders with a timer shall be operated without load for the maximum duration allowed
by the timer.
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–8–
CISPR 14-1 Amend. 1 © IEC:2008
Coffee grinders without a timer shall be operated without load for the duration taken to grind
the maximum quantity of roasted coffee beans stated in the instructions.
If it is not possible to operate the grinder without load, the grinder shall be operated using the
maximum quantity of roasted coffee beans stated in the instructions.
7.3.1.3.2
Coffee makers and espresso makers with integrated grinder
Coffee makers and espresso makers with integrated grinder shall be tested according to 7.2.1.
The grinder function shall be tested according to 7.3.1.3.1.
If the operation time of the coffee grinder can be set by the user, it should be set to maximum
duration.
7.3.1.3.3
Fully automatic coffee makers
Fully automatic coffee makers shall be tested according to 7.2.1. The different functions shall
be tested sequentially so that all possible disturbance sources are covered.
The test conditions shall reflect the normal operation of the appliance, as stated in the
instructions for use. Where these are not specified, the following separate modes of operation
shall be tested:
•
keep warm mode for fully automated coffee makers;
•
pre-heating for espresso coffee makers;
•
1 cup of coffee (approximately 125 ml) per minute;
•
200 ml hot water, followed by 30 s pause;
•
20 s steam consumption per minute.
7.3.1.12
Replace the third paragraph of this subclause by the following:
Separate tumble dryers are operated with half the maximum dry weight of cotton textile
material recommended in the manufacturer's instruction for use. The material shall be soaked
with water having a temperature of 25 °C ± 5 °C and a mass of 60 % of that of the textile
material.
7.3.2.10
Delete the existing subclause.
After Subclause 7.3.4.14, add the following new subclause:
7.3.4.15 Rice cookers shall be tested with the rated capacity of tap water and with the lid
closed. If there is no indication of the rated capacity, the cooker shall be filled with 80 % water
of the maximum capacity of the inner pot.
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CISPR 14-1 Amend. 1 © IEC:2008
–9–
If the cooker automatically enters a “keep warm”-mode at the end of the cooking process, the
cooking mode should be ended manually and the click measurement shall be started at the
time of the first operation of the thermostat, which controls the “keep warm” temperature.
7.3.6.1
Classification
Replace, in the dashed item under Category B, the reference to “4.1.3” by “4.1.2.2”.
Replace the second paragraph under Category C, including its dashed items, by the following
sentence:
Toys of category C shall comply with the limits from 30 MHz to 1 000 MHz.
Replace, in the second dashed item under Category D, the reference to “4.1.2 (disturbance
power)” by the following:
–
4.1.2.1 (disturbance power) and 4.1.2.2 (radiated disturbances)
Replace, in the second dashed item under Category E, the reference to “4.1.3” by “4.1.2.2”.
7.3.7
Miscellaneous equipment and appliances
Replace the existing note by the following:
NOTE Limits in the frequency range 30 MHz to 1 000 MHz are not applicable to the devices quoted in 7.3.7.1 to
7.3.7.3, causing only discontinuous disturbance (see 4.2.1).
Add the following new subclause 7.4.1.6:
7.4.1.6 The radiated emission limits apply throughout the frequency range from 30 MHz to
1 000 MHz.
Renumber existing subclause 7.4.1.6 to 7.4.1.7.
Renumber existing subclause 7.4.1.7 to 7.4.1.8.
8.3
Compliance with limits for appliances in large-scale production
Replace the existing text of this subclause by the following:
Statistically assessed compliance with the limits shall be made according to one of the three
tests described below or to some other test which ensures compliance with the requirements
of 8.1.2 above.
The test according to 8.3.1 or 8.3.2 should be performed on a sample of not less than 5 items
of the type, but if, in exceptional circumstances, 5 items are not available, then a sample of 3
or 4 shall be used.
The test according to 8.3.3 should be performed on a sample of not less than 7 items.
NOTE It is recommended to start the evaluation with the method described in 8.3.1 and only in case the test has
not been passed to continue with the more extensive methods described in 8.3.2 and 8.3.3.
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