ASTM F2756-11(2016)
(Test Method)Standard Test Method for Determining Energy Consumption of Vacuum Cleaners
Standard Test Method for Determining Energy Consumption of Vacuum Cleaners
SIGNIFICANCE AND USE
4.1 This test method provides an indication of the amount of energy usage of the vacuum cleaner while operating over a specified cleaning area at a specified stroke speed and total number of cleaning strokes.
4.1.1 The test area is divided into a number of strips, the strip being defined as the width of the power head or nozzle. For the purpose of this procedure, the cleaning area is specified as 10 m2 (15 500 in.2), the stroke speed is defined as 0.5 ± 0.03 m/s (1.7 ± 0.1 ft/s), with a total of 10 strokes per strip.
4.2 In order to provide a uniform basis for measuring the performance described in 1.1, standardized test carpets are employed in this procedure.
SCOPE
1.1 This test method covers only a laboratory test for determining the energy usage-of household and commercial upright, canister, stick, and wet/dry vacuum cleaners operating on carpet when tested under specified conditions.
1.1.1 This procedure may be used in conjunction with other performance criteria, such as cleaning effectiveness.
1.1.2 Vacuum cleaners, other than upright vacuum cleaners, that provide a carpet-cleaning function are tested in accordance with the carpet-cleaning instructions provided in the manufacturer’s instruction manual. If the manufacturer’s instruction manual does not contain instructions for a carpet-cleaning function, the vacuum cleaner is not within the scope of this procedure.
1.2 This test method is applicable to household and commercial types of vacuum cleaners.
1.3 The values stated in SI units are to be regarded as standard. The inch-pound units given in parentheses are mathematical conversions that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: F2756 − 11 (Reapproved 2016)
Standard Test Method for
Determining Energy Consumption of Vacuum Cleaners
This standard is issued under the fixed designation F2756; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 Other Standards:
IEC 60312 Vacuum cleaners for household use - Methods of
1.1 This test method covers only a laboratory test for
measuring the performance, Fourth Edition
determining the energy usage-of household and commercial
UL 1017 Vacuum Cleaners, Blower Cleaners, and House-
upright, canister, stick, and wet/dry vacuum cleaners operating 4
hold Floor Finishing Machines
on carpet when tested under specified conditions.
3. Terminology
1.1.1 This procedure may be used in conjunction with other
performance criteria, such as cleaning effectiveness.
3.1 Definitions:
1.1.2 Vacuum cleaners, other than upright vacuum cleaners, 3.1.1 energy usage, n—amount of electrical energy con-
that provide a carpet-cleaning function are tested in accordance sumed by a vacuum cleaner during cleaning, measured in
Joules (Watt-seconds). There are 3600 watt-seconds in one
with the carpet-cleaning instructions provided in the manufac-
turer’s instruction manual. If the manufacturer’s instruction watt-hour.
manual does not contain instructions for a carpet-cleaning
3.1.2 model, n—designation of a group of vacuum cleaners
function, the vacuum cleaner is not within the scope of this
having identical mechanical and electrical construction with
procedure.
only cosmetic or nonfunctional differences.
3.1.3 population, n—total of all units of a particular model
1.2 This test method is applicable to household and com-
vacuum cleaner being tested.
mercial types of vacuum cleaners.
3.1.4 repeatability limit, r, n—value below which the abso-
1.3 The values stated in SI units are to be regarded as
lute difference between two individual test results obtained
standard. The inch-pound units given in parentheses are
under repeatability condition may be expected to occur with a
mathematical conversions that are provided for information
probability of approximately 0.95 (95 %).
only and are not considered standard.
3.1.5 repeatability standard deviation, Sr, n—standard de-
1.4 This standard does not purport to address all of the
viation of test results obtained under repeatability conditions.
safety concerns, if any, associated with its use. It is the
3.1.6 reproducibility limit, R, n—value below which the
responsibility of the user of this standard to establish appro-
absolute difference between two test results obtained under
priate safety and health practices and determine the applica-
reproducibility conditions may be expected to occur with a
bility of regulatory limitations prior to use.
probability of approximately 0.95 (95 %).
3.1.7 reproducibility standard deviation, SR, n—standard
2. Referenced Documents
deviation of test results obtained under reproducibility condi-
tions.
2.1 ASTM Standards:
F655 Specification for Test Carpets and Pads for Vacuum
3.1.8 sample, n—group of vacuum cleaners taken from a
Cleaner Testing
large collection of vacuum cleaners of one particular model
which serves to provide information that may be used as a basis
for making a decision concerning the larger collection.
This test method is under the jurisdiction of ASTM Committee F11 on Vacuum 3.1.9 strip, n—width covered during one stroke, defined by
Cleaners and is the direct responsibility of Subcommittee F11.20 on Performance
the extreme outside geometric width of the power head or
(Test Methods).
nozzle.
Current edition approved Oct. 1, 2016. Published October 2016. Originally
approved in 2009. Last previous edition approved in 2011 as F2756 – 11. DOI:
10.1520/F2756-11R16.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 4th Floor, New York, NY 10036, http://www.ansi.org.
Standards volume information, refer to the standard’s Document Summary page on Available from Underwriters Laboratories (UL), 333 Pfingsten Rd.,
the ASTM website. Northbrook, IL 60062-2096, http://www.ul.com.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2756 − 11 (2016)
3.1.10 test run, n—definitive procedure that produces a 7. Sampling
singular measured result.
7.1 A minimum of three units of the same model vacuum
3.1.11 unit, n—single vacuum cleaner of the model being
cleaner selected at random in accordance with good statistical
tested.
practice shall constitute the population sample.
7.1.1 To determine the best estimate of energy usage asso-
3.1.12 watt-hour meter, n—meter that measures and regis-
ciated with the population of the vacuum cleaner model being
ters the integral, with respect to time, of the active power of the
tested, the arithmetic mean of the energy consumed by the
circuit in which it is connected; the unit of measurement is
sample from the population shall be established by testing it to
usually the kilowatt-hour.
a 90 % confidence level within 65 % of the mean value of the
4. Significance and Use energy usage rating.
4.1 This test method provides an indication of the amount of
8. Conditioning
energy usage of the vacuum cleaner while operating over a
specified cleaning area at a specified stroke speed and total
8.1 Test Room—Maintain the test room in which all condi-
number of cleaning strokes. tioning and vacuum cleaner testing is performed at 21 6 3°C
4.1.1 The test area is divided into a number of strips, the
(70 6 5°F) and 45 to 55 % relative humidity.
strip being defined as the width of the power head or nozzle.
8.2 All components involved in the test shall remain and be
For the purpose of this procedure, the cleaning area is specified
exposed in the controlled environment for at least 16 h prior to
2 2
as 10 m (15 500 in. ), the stroke speed is defined as 0.5 6
the start of the test.
0.03 m ⁄s (1.7 6 0.1 ft ⁄s), with a total of 10 strokes per strip.
4.2 In order to provide a uniform basis for measuring the 9. Procedure
performance described in 1.1, standardized test carpets are
9.1 Test Procedure:
employed in this procedure.
9.1.1 The energy consumed by the sample vacuum cleaner
shall be established as follows:
5. Apparatus
9.1.1.1 New test carpets and padding shall be level loop or
5.1 Stopwatch, with a second hand or other type of equip-
Wilton conforming to Specification F655.
ment capable of establishing the specified rate of movement
9.1.1.2 Supporting surface conforming to 5.7.
and total cycle time.
9.1.1.3 Replace the carpet and padding when it has holes,
tears, or other signs of wear.
5.2 Voltmeter, to measure input volts to the vacuum cleaner,
9.1.1.4 Speed shall be 0.5 6 0.03 m/s (1.7 6 0.1 ft/s).
to provide measurements accurate to within 61 %.
9.1.1.5 Use of automated methods are optional.
5.3 Wattmeter, to measure input watts to the vacuum
9.1.2 Preparation of Test Vacuum Cleaners:
cleaner, to provide measurements accurate to within 61 %.
9.1.2.1 New Test Vacuum Cleaners:
5.4 Voltage-Regulator System, to control the input voltage
(1) Change brush drive belt on vacuum cleaners or agitator
to the vacuum cleaner. The regulator shall be capable of
nozzles using manufacturer’s instructions, if equipped.
maintaining the vacuum cleaner’s rated voltage 61 % and
(2) Run the vacuum cleaner in at rated voltage 61 % and
rated frequency having a wave form that is essentially sinusoi-
rated frequency with filters in place.
dal with 3 % maximum harmonic distortion for the duration of
(3) In a stationary position, operate the vacuum cleaner for
the test.
1 h with the agitator bristles not engaged on any surface.
9.1.2.2
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F2756 − 11 F2756 − 11 (Reapproved 2016) An American National Standard
Standard Test Method for
Determining Energy Consumption of Vacuum Cleaners
This standard is issued under the fixed designation F2756; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers only a laboratory test for determining the energy usage-of household and commercial upright,
canister, stick, and wet/dry vacuum cleaners operating on carpet when tested under specified conditions.
1.1.1 This procedure may be used in conjunction with other performance criteria, such as cleaning effectiveness.
1.1.2 Vacuum cleaners, other than upright vacuum cleaners, that provide a carpet-cleaning function are tested in accordance
with the carpet-cleaning instructions provided in the manufacturer’s instruction manual. If the manufacturer’s instruction manual
does not contain instructions for a carpet-cleaning function, the vacuum cleaner is not within the scope of this procedure.
1.2 This test method is applicable to household and commercial types of vacuum cleaners.
1.3 The values stated in SI units are to be regarded as standard. The inch-pound units given in parentheses are mathematical
conversions that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
F655 Specification for Test Carpets and Pads for Vacuum Cleaner Testing
2.2 Other Standards:
IEC 60312 Vacuum cleaners for household use - Methods of measuring the performance, Fourth Edition
UL 1017 Vacuum Cleaners, Blower Cleaners, and Household Floor Finishing Machines
3. Terminology
3.1 Definitions:
3.1.1 energy usage, n—amount of electrical energy consumed by a vacuum cleaner during cleaning, measured in Joules
(Watt-seconds). There are 3600 watt-seconds in one watt-hour.
3.1.2 model, n—designation of a group of vacuum cleaners having identical mechanical and electrical construction with only
cosmetic or nonfunctional differences.
3.1.3 population, n—total of all units of a particular model vacuum cleaner being tested.
3.1.4 repeatability limit, r, n—value below which the absolute difference between two individual test results obtained under
repeatability condition may be expected to occur with a probability of approximately 0.95 (95 %).
3.1.5 repeatability standard deviation, Sr, n—standard deviation of test results obtained under repeatability conditions.
3.1.6 reproducibility limit, R, n—value below which the absolute difference between two test results obtained under
reproducibility conditions may be expected to occur with a probability of approximately 0.95 (95 %).
3.1.7 reproducibility standard deviation, SR, n—standard deviation of test results obtained under reproducibility conditions.
This test method is under the jurisdiction of ASTM Committee F11 on Vacuum Cleaners and is the direct responsibility of Subcommittee F11.20 on Performance (Test
Methods).
Current edition approved June 1, 2011Oct. 1, 2016. Published July 2011October 2016. Originally approved in 2009. Last previous edition approved in 20092011 as
F2756 – 09.F2756 – 11. DOI: 10.1520/F2756-11.10.1520/F2756-11R16.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
Available from Underwriters Laboratories (UL), 333 Pfingsten Rd., Northbrook, IL 60062-2096, http://www.ul.com.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2756 − 11 (2016)
3.1.8 sample, n—group of vacuum cleaners taken from a large collection of vacuum cleaners of one particular model which
serves to provide information that may be used as a basis for making a decision concerning the larger collection.
3.1.9 strip, n—width covered during one stroke, defined by the extreme outside geometric width of the power head or nozzle.
3.1.10 test run, n—definitive procedure that produces a singular measured result.
3.1.11 unit, n—single vacuum cleaner of the model being tested.
3.1.12 watt-hour meter, n—meter that measures and registers the integral, with respect to time, of the active power of the circuit
in which it is connected; the unit of measurement is usually the kilowatt-hour.
4. Significance and Use
4.1 This test method provides an indication of the amount of energy usage of the vacuum cleaner while operating over a
specified cleaning area at a specified stroke speed and total number of cleaning strokes.
4.1.1 The test area is divided into a number of strips, the strip being defined as the width of the power head or nozzle. For the
2 2
purpose of this procedure, the cleaning area is specified as 10 m (15 500 in. ), the stroke speed is defined as 0.5 6 0.03 m ⁄s (1.7
6 0.1 ft ⁄s), with a total of 10 strokes per strip.
4.2 In order to provide a uniform basis for measuring the performance described in 1.1, standardized test carpets are employed
in this procedure.
5. Apparatus
5.1 Stopwatch, with a second hand or other type of equipment capable of establishing the specified rate of movement and total
cycle time.
5.2 Voltmeter, to measure input volts to the vacuum cleaner, to provide measurements accurate to within 61 %.
5.3 Wattmeter, to measure input watts to the vacuum cleaner, to provide measurements accurate to within 61 %.
5.4 Voltage-Regulator System, to control the input voltage to the vacuum cleaner. The regulator shall be capable of maintaining
the vacuum cleaner’s rated voltage 61 % and rated frequency having a wave form that is essentially sinusoidal with 3 % maximum
harmonic distortion for the duration of the test.
5.5 Data-Acquisition System, controlled in such a way that, depending on the movement of the agitator nozzle, at least 10 power
measurements are recorded during each stroke.
5.6 Temperature and Humidity Indicators, to provide temperature measurements accurate to within 6 ⁄2 °C (61°F) and
humidity measurements accurate to within 3 % relative humidity.
5.7 Supporting Surface—A flat surface consisting of a piece of 19-mm ( ⁄4-in.) thick exterior grade plywood with the “A”
surface upward to support the test carpet and pad. If necessary, the four corners (only) of the test carpet and pad may be fastened
to the supporting surface by any acceptable means.
6. Materials
6.1 Standard level loop or Wilton carpet conforming to Specification F655.
6.2 Standard carpet padding conforming to Specification F655.
7. Sampling
7.1 A minimum of three units of the same model vacuum cleaner selected at random in accordance with good statistical practice
shall constitute the population sample.
7.1.1 To determine the best estimate of energy usage associated with the population of the vacuum cleaner model being tested,
the arithmetic mean of the energy consumed by the sample from the population shall be established by testing it to a 90 %
confidence level within 65 % of the mean value of the energy usage rating.
8. Conditioning
8.1 Test Room—Maintain the test room in which all conditioning and vacuum cleaner testing is performed at 21 6 3°C (70 6
5°F) and 45 to 55 % relative humidity.
8.2 All components involved i
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