SIST EN 60705:2012/A1:2014
(Amendment)Household microwave ovens - Methods for measuring performance
Household microwave ovens - Methods for measuring performance
This amendment includes the following significant technical changes:
- the usable volume is renamed to calculated volume and the measurement method for the calculated volume is revised (see 7.2), which is in accordance with IEC 60350-1;
- new definitions for microwave function, combination microwave function, set to off mode, set to standby mode, cooling down period and food support in Clause 3;
- a method for measuring the energy consumption of the microwave function in Clause 14;
- more precise requirements for instruments and measurements in Table 2;
- additional product specific requirements for measuring the energy consumption of low power modes in Clause 15;
- a method for measuring the energy consumption for the cooling down period in Annex F (informative).
Mikrowellengeräte für den Hausgebrauch und ähnliche Zwecke - Verfahren zur Messung der Gebrauchstauglichkeit
Fours à micro-ondes à usage domestique - Méthodes de mesure de l'aptitude à la fonction
Cet amendement inclut les modifications techniques majeures suivantes:
- le volume utile est renommé volume calculé et la méthode de mesure du volume calculé est révisée (voir 7.2), conformément à l'IEC 60350-1
- de nouvelles définitions de la fonction micro-onde, de la fonction micro-onde combinée, de la mise en mode arrêt, de la mise en mode veille, de la période de refroidissement et du support alimentaire à l'Article 3;
- une méthode de mesure de la consommation d'énergie de la fonction micro-onde à l'Article 14;
- des exigences plus précises relatives aux instruments et aux mesures dans le Tableau 2;
- des exigences supplémentaires spécifiques au produit pour la mesure de la consommation d'énergie des modes "faible puissance" à l'Article 15;
- une méthode de mesure de la consommation d'énergie durant la période de refroidissement à l'Annexe F (informative).
Gospodinjske mikrovalovne pečice - Metode za merjenje lastnosti - Dopolnilo A1
Ta mednarodni standard se uporablja za mikrovalovne pečice za gospodinjsko uporabo. Uporablja se tudi za kombinirane mikrovalovne pečice. Ta standard določa glavne lastnosti delovanja gospodinjskih mikrovalovnih pečic, ki zanimajo uporabnika, in metode za merjenje teh lastnosti.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 60705:2012/A1:2014
01-november-2014
*RVSRGLQMVNHPLNURYDORYQHSHþLFH0HWRGH]DPHUMHQMHODVWQRVWL'RSROQLOR$
Household microwave ovens - Methods for measuring performance
Mikrowellengeräte für den Hausgebrauch und ähnliche Zwecke - Verfahren zur Messung
der Gebrauchstauglichkeit
Fours à micro-ondes à usage domestique - Méthodes de mesure de l'aptitude à la
fonction
Ta slovenski standard je istoveten z: EN 60705:2012/A1:2014
ICS:
97.040.20 âWHGLOQLNLGHORYQLSXOWL Cooking ranges, working
SHþLFHLQSRGREQLDSDUDWL tables, ovens and similar
appliances
SIST EN 60705:2012/A1:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 60705:2012/A1:2014
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SIST EN 60705:2012/A1:2014
EUROPEAN STANDARD EN 60705:2012/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2014
ICS 97.040.20
English Version
Household microwave ovens - Methods for measuring
performance
(IEC 60705:2010/A1:2014)
Fours à micro-ondes à usage domestique - Méthodes de Mikrowellengeräte für den Hausgebrauch und ähnliche
mesure de l'aptitude à la fonction Zwecke - Verfahren zur Messung der
(CEI 60705:2010/A1:2014) Gebrauchstauglichkeit
(IEC 60705:2010/A1:2014)
This amendment A1 modifies the European Standard EN 60705:2012; it was approved by CENELEC on 2014-08-04. CENELEC members
are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the status of a
national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the
responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as
the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60705:2012/A1:2014 E
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SIST EN 60705:2012/A1:2014
EN 60705:2012/A1:2014 - 2 -
Foreword
The text of document 59K/252/FDIS, future IEC 60705:2010/A1, prepared by SC 59K "Ovens and
microwave ovens, cooking ranges and similar appliances" of IEC/TC 59: "Performance of household
and similar electrical appliances." was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 60705:2012/A1:2014.
The following dates are fixed:
(dop) 2015-05-04
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2017-08-04
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 60705:2010/A1:2014 was approved by CENELEC as a
European Standard without any modification.
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SIST EN 60705:2012/A1:2014
- 3 - EN 60705:2012/A1:2014
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Addition to Annex ZA of EN 60705:2012:
Publication Year Title EN/HD Year
IEC 60350-1 2011 Household electric cooking appliances -- EN 60350-1 2013
Part 1: Ranges, ovens, steam ovens and
grills - Methods for measuring performance
IEC 60584-2 - Thermocouples -- Part 2: Tolerances EN 60584-2 -
IEC 62301 2011 Household electrical appliances - EN 50564 2011
Measurement of standby power
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SIST EN 60705:2012/A1:2014
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SIST EN 60705:2012/A1:2014
IEC 60705
®
Edition 4.0 2014-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Household microwave ovens – Methods for measuring performance
Fours à micro-ondes à usage domestique – Méthodes de mesure de l'aptitude
à la fonction
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX S
ICS 97.040.20 ISBN 978-2-8322-1662-0
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN 60705:2012/A1:2014
– 2 – IEC 60705:2010/AMD1:2014
© IEC 2014
FOREWORD
This amendment has been prepared by subcommittee 59K: Ovens and microwave ovens,
cooking ranges and similar appliances, of IEC technical committee 59: Performance of
household and similar electrical appliances.
The text of this amendment is based on the following documents:
FDIS Report on voting
59K/252/FDIS 59K/255/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 stability 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.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
_____________
INTRODUCTION to Amendment 1
This amendment includes the following significant technical changes:
– the usable volume is renamed to calculated volume and the measurement method for the
calculated volume is revised (see 7.2), which is in accordance with IEC 60350-1;
– new definitions for microwave function, combination microwave function, set to off
mode, set to standby mode, cooling down period and food support in Clause 3;
– a method for measuring the energy consumption of the microwave function in Clause 14;
– more precise requirements for instruments and measurements in Table 2;
– additional product specific requirements for measuring the energy consumption of low
power modes in Clause 15;
– a method for measuring the energy consumption for the cooling down period in Annex F
(informative).
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SIST EN 60705:2012/A1:2014
IEC 60705:2010/AMD1:2014 – 3 –
© IEC 2014
FOREWORD
Add, after the existing paragraph starting with "Words in bold…", the following new paragraph:
1
This standard contains an attached file in the form of an Excel® 97-2003 data sheet
program. This file is intended to be used as a complement and does not form an integral part
of the standard.
1 Scope
Replace, in Note 1, the dashed item “ovens which cannot accept a load having a diameter of
≥200 m” with the following dashed item:
– microwave ovens which cannot accept a load having a diameter of ≥ 200 mm or a height of ≥ 120 mm;
2 Normative references
Add the following references:
IEC 60350-1:2011, Household electric cooking appliances – Part 1: Ranges, ovens, steam
ovens and grills – Methods for measuring performance
IEC 60584-2, Thermocouples – Part 2: Tolerances
IEC 62301:2011, Household electrical appliances – Measurement of standby power
3 Terms and definitions
3.1
microwave oven
Delete Note 1 and renumber Note 2 as Note 1.
3.2
combination microwave oven
Add the following new note:
NOTE Energy transfer by steam is included in the term thermal heat.
Add, after 3.4, the following new terms and definitions:
3.5
microwave function
heat transfer exclusively by electromagnetic energy in the ISM frequency band of 2 450 MHz
3.6
combination microwave function
heat transfer by electromagnetic energy simultaneously or sequentially with thermal heat
NOTE Thermal heat can be a conventional heating function, a forced air circulation function, a hot steam function
or steam function. These functions are defined in 3.12 to 3.15 of IEC 60350-1:2011.
______________
1
Excel® is the trademark of a product supplied by Microsoft®. This information is given for the convenience of
users of this document and does not constitute an endorsement by IEC of the product named. Equivalent
products may be used if they can be shown to lead to the same results.
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SIST EN 60705:2012/A1:2014
– 4 – IEC 60705:2010/AMD1:2014
© IEC 2014
3.7
set to off mode
action where the product is switched off using appliance controls or switches that are
accessible and intended for operation by the user during normal use to attain the lowest
power consumption that may persist for an indefinite time while connected to a main power
source and used in accordance with the manufacturer’s instructions
NOTE 1 All actions required to set to off mode like for example empty the water tank, remove food, close the
door, etc. have to be taken.
NOTE 2 See 3.5 of IEC 62301:2011 for the definition of "off mode".
3.8
set to standby mode
action where the product is switched to standby using appliance controls or switches that are
accessible and intended for operation by the user during normal use to attain the lowest
power consumption that may persist for an indefinite time while connected to a main power
source and used in accordance with the manufacturer’s instructions
NOTE See 3.6 of IEC 62301:2011 for the definition of "standby mode".
3.9
cooling down period
unstable condition persisting after completion of the active mode and the appliance is set to
off mode where the power consumption may change without any intervention by the user
3.10
food support
horizontal support in the cavity on which the load is placed
NOTE If the appliance is fitted with a turntable, the turntable is the food support. The food support can also be
a shelf or a reciprocating tray. If recommended by manufacturer’s instruction also the cavity bottom can be the
food support.
4.1 According to type
Add, after the second dashed item, before the sentence “The type of oven shall be stated in
the report” the following new paragraphs and new note:
The manufacturers shall define the primary cooking function of the appliance, microwave
function or thermal heat. The primary cooking function has to be measured with an existing
method according to energy consumption.
If the primary cooking function is declared as a microwave function IEC 60705 shall be
applied for energy consumption measurement. If the primary cooking function is declared as a
thermal heat IEC 60350-1 shall be applied for energy consumption measurement.
NOTE There is currently no measurement method for the energy consumption for grilling and steam functions.
4.2 According to characteristics
Replace the existing second dashed item by the following new dashed items:
– Dimensions of shelves
– Moved food support, e.g. reciprocating tray, turntable
– Possible thermal heating modes (grilling, hot air, steam function etc.).
5 List of measurements
Replace Table 1 by the following table:
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SIST EN 60705:2012/A1:2014
IEC 60705:2010/AMD1:2014 – 5 –
© IEC 2014
Table 1 – List of measurements
a
Item of measurement Clause or Reproducibility Microwave ovens Combination
subclause microwave ovens
External dimensions 7.1 Yes * *
Usable cavity
7.2 Yes * *
dimensions
Calculated cavity
7.3 Yes * *
volume
Microwave power
8 Yes *
output
Efficiency 9 Yes *
Square tank 11.1 Yes *
Multiple cup 11.2 Yes *
Heating beverages 12.1 Yes *
Heating simulated food 12.2 Yes *
Egg custard 13.3.1 No *
Sponge cake 13.3.2 No *
Meatloaf 13.3.3 No *
Potato gratin 13.3.4 No *
Cake 13.3.5 No *
Chicken 13.3.6 No *
Meat defrosting 13.3 No *
Energy consumption for
14 Yes *
the microwave function
Consumption
measurement of low 15 Yes * *
power modes
* Test is applicable.
a
Except for the tests of 11.1, these tests are also applicable to combination microwave ovens when operated
in the microwave only mode.
Add, under Table 1, the following new paragraph:
The methods described in Clauses 8 and 14 are only applicable for appliances with
microwave function. If a combination microwave oven does not provide a microwave
function the tests are not applicable. The energy consumption measurement cannot be
carried out with combined microwave function.
6.1 General
Replace the existing second paragraph by the following:
When a metal food support is provided and used for the measurements, the load position
and the corresponding shape of the metal food support shall be reported.
If not otherwise specified the food support is placed in the cavity in its lowest position.
6.2 Supply voltage
Replace the existing paragraph and note by the following new paragraphs and notes:
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SIST EN 60705:2012/A1:2014
– 6 – IEC 60705:2010/AMD1:2014
© IEC 2014
The supply voltage shall be maintained at the main terminal at rated voltage ±1 %, while the
microwave operation is switched on. If the appliance has a rated voltage range, the tests are
carried out at the nominal voltage of the country where the appliance is intended to be used.
The supply frequency shall be at rated frequency ±1 %.
The supply voltage measured during the tests shall be recorded.
The supply voltage shall be essentially sinusoidal.
NOTE 1 For recording the supply voltage only the power on period is relevant.
NOTE 2 In the case of a fixed cable, the plug (or the end of the cable furthest from the appliance) is the reference
point to maintain the voltage.
6.3 Test room
Add, before the first paragraph, the following new paragraphs:
For the tests in Clauses 8, 14 and 15 the temperature shall be 23 °C ± 2 °C during the entire
test.
The measurement of the ambient temperature shall not be influenced by the appliance itself
or by any other appliance.
Add, in the existing paragraph, “other” before “tests“.
6.5 Initial condition of the oven
Replace the existing paragraph and note by the following new paragraph and notes:
At the beginning of each test, the oven has not been operated for a period of at least 6 h.
NOTE 1 The period of at least 6 h can be reduced if it can be demonstrated that the temperatures of the
magnetron and the power supply is within 5 K of the ambient temperature and 2 K of the ambient temperature for
tests Clauses 8 and 14.
NOTE 2 Forced cooling may be used to assist in reducing the oven temperature.
Add, after subclause 6.6, the following two new subclauses:
6.7 Instruments and measurements
Instruments used and measurements made for this document shall comply with the following
specifications detailed in Table 2 and Table 3.
Table 2 – Instruments
Parameter Unit Minimum Minimum Additional requirements
resolution accuracy
mass g 0,5 g ± 1 g
temperature
ambient temperature °C 0,1 °C ± 1 K
water load °C 0,1 °C ± 1,5 K 1 mm steel tube
diameter, class 1
according to IEC 60584-2
time s 1 s ± 1 s
energy Wh –
± 1 %
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SIST EN 60705:2012/A1:2014
IEC 60705:2010/AMD1:2014 – 7 –
© IEC 2014
Table 3 – Measurements
Parameter Unit Minimum Minimum Additional requirements
resolution accuracy
Electrical energy Wh ± 1,0 %
Voltage V
± 0,5 %
Temperature and energy
sampling rate ≤ 1s
consumption measurement
For test Clause 15 and Annex F the according to IEC 62301
power measurement requirements
W
shall be in accordance with
IEC 62301
6.8 Positioning the appliance
Freestanding appliances are placed with their back against a wall and positioned away from
sidewalls, unless otherwise specified in the instructions. Other appliances are installed in
accordance with the instructions for installation.
7.2 Usable internal dimensions and usable volume
Replace, in the existing title, "usable volume" by "calculated volume".
7.2.1 General
Add, after the first paragraph, the following new sentence and note:
The turntable is essential for the operation of the appliance therefore it is not removed.
NOTE Safe operation should be guaranteed. Therefore necessary parts, e.g. lamp cover, cannot be removed for
measuring the calculated volume.
Replace, in the existing third paragraph, “usable volume“ by “calculated volume”.
Replace the second drawing of Figure 2b by the following new figure:
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SIST EN 60705:2012/A1:2014
– 8 – IEC 60705:2010/AMD1:2014
© IEC 2014
c
r
max
t
i
IEC 1938/14
Key
d usable depth t turntable
g heating element i inside surface of oven door
h usable height w usable width
c centre of rotation of the turntable r distance from c to the nearest wall
max
7.2.2 Usable height
Replace the existing first sentence with the following new sentence:
The usable height is the maximum length of a cylinder with a diameter of 200 mm reaching
vertically from the centre of the cooking cavity bottom (if it does not have a turntable) or from
the turntable to the lowest point on the ceiling.
7.2.6 Usable volume
Replace, in the existing title, "usable" by "calculated".
Replace, in the existing first sentence, “next” by “nearest”.
Add, after the existing second paragraph, the following new paragraph:
If the turntable can be switched off the rectangular volume from the dimensions width, height
and depth is calculated. Both circular and rectangular volumes are stated.
Add, after 7.2.6, the following new subclause:
7.2.7 Dimensions of food support
The usable width and usable depth of a rectangular food support are measured or for a
round food support the diameter is measured. The dimensions are determined 5 mm above
the surface of the food support.
2 2
The surface area is calculated (cm ), rounded to the nearest 10 cm .
d
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SIST EN 60705:2012/A1:2014
IEC 60705:2010/AMD1:2014 – 9 –
© IEC 2014
NOTE The food support may be a shelf, grid, baking sheet, turntable or the bottom of cavity.
8 Determination of microwave power output
Replace the second paragraph by the following new paragraph:
A cylindrical container of borosilicate glass is used for the test as described in Clause 14,
Table 4. It has an external diameter of approximately 190 mm and a height of approximately
90 mm. The mass of the container is to be noted.
Replace the second sentence of the fourth paragraph by the following sentences:
The food support for microwave heating is placed in the appliance according to the
instructions of manufacturers. The container is placed in the centre of this support
immediately.
Replace the existing formula by the following new formula:
4,187 m T T 0,55 m T T
w 1 0 c 1 A
P
t
where
P is
...
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