ASTM F558-98

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Designation: F 558 – 98
Standard Test Method for
Measuring Air Performance Characteristics of Vacuum
1
Cleaners
This standard is issued under the fixed designation F 558; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This test method covers procedures for determining air 3.1 Definitions:
performance characteristics of commercial and household 3.1.1 air power, AP, W, n— in a vacuum cleaner, the net
upright, canister, stick, hand-held, utility, and combination- time rate of work performed by an air stream while expending
type vacuum cleaners having provisions for attaching a hose energy to produce an airflow by a vacuum cleaner under
and incorporating a series universal motor. This test method specified air resistance conditions.
does not apply to the carpet cleaning mode of operation. 3.1.2 automatic bleed valve, n—any device a part of a
1.2 These tests and calculations include determination of vacuum cleaner’s design which automatically introduces an
suction, airflow, air power, maximum air power, and input intentional leak within the vacuum cleaner’s system when
power under standard operating conditions (see Note 1). manufacturer specified conditions are met.
3.1.3 corrected airflow, Q, cfm, n—in a vacuum cleaner, the
NOTE 1—For more information on air performance characteristics, see
volume of air movement per unit of time under standard
2
Refs (1-6).
atmospheric conditions.
1.3 The foot-pound-inch system of units is used in this
3.1.4 input power, W, n—the rate at which electrical energy
standard. The values in parentheses are given for information
is absorbed by a vacuum cleaner.
only.
3.1.5 model, n—the designation of a group of vacuum
1.4 This standard may involve hazardous materials, opera-
cleaners having the same mechanical and electrical construc-
tions, and equipment. This standard does not purport to
tion with only cosmetic or nonfunctional differences.
address all of the safety concerns, if any, associated with its
3.1.6 population, n—the total of all units of a particular
use. It is the responsibility of the user of this standard to
model vacuum cleaner being tested.
establish appropriate safety and health practices and deter-
3.1.7 repeatability limit (r), n—the value below which the
mine the applicability of regulatory limitations prior to use. A
absolute difference between two individual test results obtained
specific precautionary statement is given in Note 2.
under repeatability condition may be expected to occur with a
probability of approximately 0.95 (95 %).
2. Referenced Documents
3.1.8 repeatability standard deviation (S ), n—the standard
r
2.1 ASTM Standards:
deviation of test results obtained under repeatability condi-
3
E 1 Specification for ASTM Thermometers
tions.
4
F 395 Terminology Relating to Vacuum Cleaners
3.1.9 reproducibility limit (R), n—the value below which
F 431 Specification for Air Performance Measurement Ple-
the absolute difference between two test results obtained under
4
num Chamber for Vacuum Cleaners
reproducibility conditions may be expected to occur with a
2.2 AMCA Standard:
probability of approximately 0.95 (95 %).
5
210-85 Laboratory Methods of Testing Fans for Rating
3.1.10 reproducibility standard deviation (S ), n—the stan-
R
dard deviation of test results obtained under reproducibility
conditions.
1
This test method is under the jurisdiction of ASTM Committee F-11 on Vacuum 3.1.11 sample, n—a group of vacuum cleaners taken from a
Cleaners and is the direct responsibility of Subcommittee F11.22 on Air Perfor-
large collection of vacuum cleaners of one particular model
mance.
which serves to provide information that may be used as a basis
Current edition approved Oct. 10, 1998. Published May 1999. Originally
for making a decision concerning the larger collection.
published as F 558 – 78. Last previous edition F 558 – 95.
2 3
The boldface numbers in parentheses refer to the list of references appended to
3.1.12 standard air density, r , lb/ft , n—atmospheric air
std
3 3
this test method.
density of 0.075 lb/ft (1.2014 Kg/m ).
3
Annual Book of ASTM Standards, Vol 14.03.
4 3.1.12.1 Discussion—This value of air density corresponds
Annual Book of ASTM Standards, Vol 15.07.
5
Available from Air Movement and Control Association, 30 West University Dr., to atmospheric air at a temperature of 68°F (20°C), 14.696 psi
Arlington Heights, IL, 60004.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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