ASTM F1326-02
(Test Method)Standard Test Method for Measuring Maximum Dry Volume of Utility Vacuum Cleaners
Standard Test Method for Measuring Maximum Dry Volume of Utility Vacuum Cleaners
SCOPE
1.1 This test method is applicable to any vacuum cleaner that is classified as a utility vac.
1.2 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.
1.3 The values stated in inch-pound units are to be regarded as standard. The values in parentheses are for information only.
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An American National Standard
Designation:F1326–02
Standard Test Method for
Measuring Maximum Dry Volume of Utility Vacuum
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Cleaners
This standard is issued under the fixed designation F1326; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 6.1.1 To determine the best estimate of maximum dry
volume for the population of the vacuum cleaner model being
1.1 This test method is applicable to any vacuum cleaner
tested, the arithmetic mean of the maximum dry volume of the
that is classified as a utility vac.
sample from the population shall be established by testing it to
1.2 This standard does not purport to address all of the
a 90% confidence level within 65% of the mean value of the
safety concerns, if any, associated with its use. It is the
maximum dry volume.
responsibility of the user of this standard to establish appro-
6.1.2 Annex A1 provides a procedural example for deter-
priate safety and health practices and determine the applica-
mining the 90% confidence level and when the sample size
bility of regulatory limitations prior to use.
shall be increased.
1.3 The values stated in inch-pound units are to be regarded
asstandard.Thevaluesinparenthesesareforinformationonly.
NOTE 1—SeeAnnexA1 for a method for determining 90% confidence
level.
2. Referenced Documents
7. Conditioning
2.1 ASTM Standards:
E691 Practice for Conducting an Interlaboratory Study to 7.1 TestRoom—Thetestroomshouldbemaintainedat70°F
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Determine the Precision of a Test Method 6 5°F (21°C 6 3°C) and 45 to 55% relative humidity.
E177 Practice for Use of the Terms Precision and Bias in 7.2 Condition the water in accordance with 7.1.
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ASTM Test Methods
8. Procedure
3. Significance and Use
8.1 Dry Pick Up Capacity:
3.1 This test method describes a procedure to determine the 8.1.1 Calculatethevolumeingallonsofthedustdrumusing
maximum functional dry volume that the utility vac is capable the appropriate formulas, neglecting all projections into the
of collecting. drum.
8.1.2 Calculate all projections into the drum using the
4. Apparatus
appropriate formulas in gallons.
4.1 Temperature and humidity indicators, to provide tem- 8.1.3 Subtract the total projection volumes from the dirt
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perature measurements accurate to within 61°F (6 ⁄2°C) and
drum volume to arrive at the maximum dry volume. Round
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humidity measurements accurate to within 62% relative down to the nearest ⁄4 gal (0.936 L).
humidity.
8.1.4 Record the maximum functional volume in gallons
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4.2 Weighing Scale, the scale shall be accurate to 4 oz (114 (litres) within ⁄4 gal (0.936 L).
g) and have a weighing capacity of at least 120 lbs (54.4 kg).
9. Procedure
5. Materials
9.1 Dry Pick Up Capacity (Alternative Method):
5.1 Water.
9.1.1 An alternative method is allowed when the shape of
the vacuum cleaner is irregular, and the calculations of Section
6. Sampling
8 become complex.
6.1 A minimum of three units of the same model vacuum
9.1.1.1 Blocktheinletofthedustdrumandfillitwithwater.
cleaner selected at random in accordance with good statistical
9.1.1.2 Line the projections into the drum with an appropri-
practice shall constitute the population sample.
ate water-proof material and submerse into the dust drum.
9.1.1.3 Allow the excess water to flow out of the dust drum
andthenmeasurethevolumeofthewaterremaininginthedust
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ThistestmethodisunderthejurisdictionofASTMCommitteeF11onVacuum
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drum. Round down to the nearest ⁄4 gal.
Cleaners and is the direct responsibility of Subcommittee F11.23 on Filtration.
Current edition approved May 10, 2002. Published July 2002. Originally
9.1.1.4 Record the maximum functional volume in gallons
published as F1326–91. Last previous edition F1326–96.
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(litres) within ⁄4 gal (0.936 L).
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Annual Book of ASTM Standards, Vol 14.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F1326
9.1.1.5 Repeat steps 9.1.1-9.1.1.4 two more times. The laboratory is not equal to or less than the respective repeatabil-
average of the three tests represents the maximum dry func- ity limit listed in Table 1, that set of test results shall be
tional volume that the utility vacuum is capable of collecting. considered suspect.
10.5 Reproducibility (Multi-day Testing and Single Opera-
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10. Precision and Bias
tor within Multiple Laboratories)—The ability to repeat the
10.1 Precision—Theseprecisionstatementsarebasedonan
test within laboratories.
interlaboratory test involving six (6) laboratories and four (4)
10.5.1 Theexpectedstandarddeviat
...
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