ASTM F420-99
(Test Method)Standard Test Method for Access Depth Under Furniture of Vacuum Cleaners
Standard Test Method for Access Depth Under Furniture of Vacuum Cleaners
SCOPE
1.1 This test method covers the measurement of the operational ability of the vacuum cleaner, expressed as the access depth for a given furniture clearance above the floor.
1.2 This test method can be used in testing household and commercial vacuum cleaners.
1.3 Inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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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An American National Standard
Designation: F 420 – 99
Standard Test Method for
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Access Depth Under Furniture of Vacuum Cleaners
This standard is issued under the fixed designation F 420; 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 cleaner, to provide measurements accurate to within 61%.
1.1 This test method covers the measurement of the opera-
5. Sampling
tional ability of the vacuum cleaner, expressed as the access
5.1 The access depth under furniture shall be established on
depth for a given furniture clearance above the floor.
three samples.
1.2 This test method can be used in testing household and
commercial vacuum cleaners.
6. Preparation of Apparatus
1.3 Inch-pound units are to be regarded as the standard. The
6.1 Prepare the apparatus as shown in Figs. 1-3.
values given in parentheses are for information only.
1.4 This standard does not purport to address all of the
7. Procedure
safety concerns, if any, associated with its use. It is the
7.1 Upright Vacuum Cleaners (Fig. 1):
responsibility of the user of this standard to establish appro-
7.1.1 Place the upright vacuum cleaner in its most advanta-
priate safety and health practices and determine the applica-
geous position for cleaning under furniture. Operate the
bility of regulatory limitations prior to use.
vacuum cleaner at the vacuum cleaner’s nameplate rated
voltage 61 % and rated frequency 61 Hz with the nozzle
2. Summary of Test Method
height in the lowest cleaning position on a bare floor surface.
2.1 The carpet nozzle is inserted under a horizontal rod and
7.1.1.1 For vacuum cleaners with dual nameplate voltage
the access depth is measured from the front of the rod.
ratings, conduct the test method at the highest voltage.
7.1.2 The access depth is the distance (in inches or milli-
3. Significance and Use
metres) measured from the front of the 0.75-in. (19-mm)
3.1 This test method is intended to provide a means of
diameter rod (when in contact with the highest component of
evaluating the effective cleaning depth under furniture.
the vacuum cleaner) to the most advanced point of the inlet of
3.2 Results of testing by this test method can be used as a
the nozzle.
basis for specifications on cleaning under furniture.
NOTE 1—If the access depth is influenced by the cleaner bag, no
4. Apparatus
pressure is to be applied to the handle or the bag to reduce the height.
4.1 A 0.75-in. (19-mm) diameter rod, mounted horizontally
7.1.3 Measure the access depth for heights from 0 to 10 in.
in a suitable supporting device to provide heights under the rod
(0 to 254 mm) in 0.5-in. (12.7-mm) increments. If full insertion
from 0 to 10.0 in. (0 to 254 mm) in increments of 0.5 in. (12.7
of the cleaning mechanism occurs before 10.0 in. (254 mm),
mm).
record this height. Cleaning mechanism refers to all of the parts
4.2 A device for measuring access depth, (in inches or
from the vacuum cleaner nozzle to and including the handle
millimetres) horizontally from the face of the horizontal bar in
grip.
4.1.
7.2 Combination and Canister Vacuum Cleaners (Fig. 2 and
4.3 Voltage Regulator System, to control the input voltage to
Fig. 3):
the vacuum cleaner. The regulator system must be capable of
7.2.1 Place the combination or canister vacuum cleaner
maintaining the vacuum cleaner’s rated voltage 61 % and
nozzle in its most advantageous position for cleaning under
rated frequency having a wave form that is essentially sinusoi-
furniture. Operate the vacuum cleaner at the vacuum cleaner’s
dal with 3 % maximum harmonic distortion for the duration of
nameplate rated voltage 61 % and rated frequency 61 Hz with
the test.
the nozzle in full contact with the bare floor surface or the
4.4 Voltmeter, to measure input voltage to the vacuum
lowest nozzle setting.
7.2.2 Vacuum Cleaner Nozzle Perpendicular to Vacuum
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Cleaner (Fig. 2)—The access depth is the distance (in inches or
This test method is under the jurisdiction of ASTM Committee F-11 on Vacuum
Cleaners and is the direct responsibility of Subcommittee F11.20 on Performance
millimetres) measured from the front of the 0.75-in. (19-mm)
(Test Methods).
diameter rod (when in contact with the highest component of
Current edition approved May 10, 1999. Published August 1999. Originally
the cleaning system) to the most advanced point of the inlet of
published as F 420 – 75. Last previous edition F 420 – 94.
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