IEC 60705:2010/AMD2:2018
(Amendment)Amendment 2 - Household microwave ovens - Methods for measuring performance
Amendment 2 - Household microwave ovens - Methods for measuring performance
Amendement 2 - Fours à micro-ondes à usage domestique - Méthodes de mesure de l'aptitude à la fonction
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IEC 60705 ®
Edition 4.0 2018-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 2
AM ENDEMENT 2
Household microwave ovens – Methods for measuring performance
Fours à micro-ondes à usage domestique – Méthodes de mesure de l'aptitude
à la fonction
IEC 60705:2010-04/AMD2:2018-05(en-fr)
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IEC 60705 ®
Edition 4.0 2018-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 2
AM ENDEMENT 2
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
INTERNATIONALE
ICS 97.040.20 ISBN 978-2-8322-5598-8
– 2 – IEC 60705:2010/AMD2:2018
© IEC 2018
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/297/FDIS 59K/299/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.
This publication contains an attached file in the form of an Excel 97 file. This file is intended
to be used as a complement and does not form an integral part of the standard.
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 website 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• withdrawn,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.
_____________
1 Scope
Replace the contents of the Scope with the following new text:
This document applies to microwave ovens for household use. It also applies to microwave
ovens with grills and combination microwave ovens.
This document defines the main performance characteristics of these appliances, which are of
interest to the user, and it specifies methods for measuring these characteristics.
NOTE 1 This document does not deal with
– microwave ovens that cannot accept a load having a diameter of ≥ 200 mm or a height of ≥ 120 mm;
– safety requirements (see IEC 60335-2-25 [1] and IEC 60335-2-90 [2]).
NOTE 2 This document does not apply to ovens incorporating conventional heating means only (see
IEC 60350) [3].
3 Terms and definitions
3.1
microwave oven
Replace the definition by the following new definition:
appliance using electromagnetic energy in one or several of the ISM frequency bands
between 300 MHz and 30 GHz, for heating food and beverages in a cavity
___________
Figures in square brackets refer to the Bibliography.
© IEC 2018
3.2
combination microwave oven
Replace the definition with the following new definition:
microwave oven in which microwave energy is combined with energy transfer by forced air
circulation, by conventional heating, by hot steam and by steam
Replace the existing NOTE with the following new Note to entry:
Note 1 to entry: For definitions of a forced air circulation function, conventional heating function, hot steam
function and steam function, IEC 60350-1:2016 is relevant.
3.5
microwave function
Replace the definition with the following new definition:
function using electromagnetic energy in one or several of the ISM frequency bands between
300 MHz and 30 GHz for heating food and beverages in a cavity
3.6
combination microwave function
Replace the definition with the following new definition:
heat transfer by electromagnetic energy simultaneously or sequentially with energy transfer
by forced air circulation, conventional heating, by hot steam or by steam
Replace the existing Note with the following new Note to entry:
Note 1 to entry: For definitions of a forced air circulation function, conventional heating function, hot steam
function and steam function, IEC 60350-1:2016 is relevant.
Add the following new terminological entries after 3.10:
3.11
microwave oven with grill
microwave oven in which microwave energy is combined with grill
Note 1 to entry: For a definition of a grill, IEC 60350-1:2016 is relevant.
3.12
microwave function with grill
heat transfer by electromagnetic energy simultaneously or sequentially with energy transfer
by radiant heat typically from the top
Note 1 to entry: For a definition of a grill, IEC 60350-1:2016 is relevant.
4.1 According to type
Add the following item to the dashed list:
– Microwave oven with grill
5 List of measurements
Replace the first line of the clause with the following new line:
Table 1 shows which measurement shall be applied for which function.
Replace Table 1 by the following new table:
– 4 – IEC 60705:2010/AMD2:2018
© IEC 2018
Table 1 – List of measurements
Measurements Clause or Applicable to
subclause
microwave microwave microwave microwave microwave
function function function in function in function in
with grill combination combination combination
with forced with hot with steam
air steam
circulation or
conventional
heating
Dimensions and
7 Applicable to all appliances which are under the scope.
volume
Microwave
8 x - - - -
power output
Efficiency 9 x - - - -
Square tank 10.2 x - - - -
Multiple cup 10.3 x - - - -
Heating
11.1 x - - - -
beverages
Heating
11.2 x - - - -
simulated food
Egg custard 12.3.1 x - - - x
Sponge cake 12.3.2 x - - - x
Meatloaf 12.3.3 x - - - x
Potato gratin 12.3.4 - x x x -
Cake 12.3.5 - x x x -
Chicken 12.3.6 - x x x -
Meat defrosting 13.3 x - - - x
Energy
14 x - - - -
consumption
Consumption
measurement of
15 Applicable to all appliances which are under the scope.
low power
modes
For definition of grill, forced air circulation function, conventional heating function, hot steam function and steam
function IEC 60350-1:2016 is relevant.
Delete the paragraph below Table 1 because the content is now integrated in Table 1.
6.5 Initial condition of the oven
Replace the title of the subclause with the following new title:
6.5 Initial condition of the appliance
Replace, in the content of 6.5, all occurrences of the word "oven" by the word "appliance".
7.2.1 General
Replace the third paragraph (the second paragraph in the base publication) with the following
new paragraph:
The measurement of the usable dimensions is to be carried out at ambient temperature.
Replace, in the title of Figure 2a, "volume" with "dimensions".
Replace item i in the key of Figure 2b in Amendment 1 with the following:
i inside surface of the door
© IEC 2018
8 Determination of microwave power output
Replace, in the third paragraph and the fourth paragraph modified by Amendment 1, all
occurrences of the word "oven" by the word "appliance".
Replace the explanations for P and t of the formula in Clause 8 with the following new
explanations:
P is the calculated microwave power output, expressed in watts (W);
t is the heating time, in seconds, excluding the magnetron filament heating-up time. It starts
counting from the moment the appliance reaches 90 % of the nominal input power.
9 Efficiency
Replace, in the second paragraph, the word "oven" with the word "appliance".
Delete "in watts" in the explanation for P in the formula in Clause 9.
10.2.1 Procedure
Replace, in the content of 10.2.1, all occurrences of the word "oven" with the word
"appliance".
10.3 Multiple cup test
Replace the title of the clause with the following new title:
10.3 Multiple beakers test
Replace, in the whole clause, including Figures, all occurrences of the words "cup" and "cups"
with the words "beaker" and "beakers", respectively.
Replace, in Figure 4, "D ≤ 70" with "d ≤ D ≤ 70".
10.3.1 Procedure
Replace, in the content of 10.3.1, the word "oven" with the word "appliance".
Replace, in Note 2, the word "sprout" with the word "spout".
11.1 Heating beverages
Replace, in the whole clause, all occurrences of the words "cup" and "cups" with the words
"beaker" and "beakers", respectively.
11.1.1 General
Replace, in the first paragraph, the word "oven" with the word "appliance".
11.1.2 Procedure
Replace, in the second paragraph, the word "oven" with the word "appliance".
11.2.1 Test purpose
Replace, in the first paragraph, the word "oven" with the word "appliance".
11.2.2 Procedure
Replace, in the second and fourth paragraphs, the word "oven" with the word "appliance".
12.1 General
Replace, in the first paragraph, the word "oven" with the word "appliance".
Add the following new note:
NOTE 2 Tests in Clause 12 are applicable for compar
...
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