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BS EN 16479:2023

BS EN 16479:2023

$198.66

Water quality. Performance requirements and conformity test procedures for water monitoring equipment. Automatic sampling devices (samplers) for water and waste water

Published By Publication Date Number of Pages
BSI 2023 52
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This document specifies general requirements, performance requirements and conformity test procedures for automatic sampling devices (samplers) for water and waste water that: — sample water and waste water from non-pressurized (i.e. open to atmosphere) channels or vessels; — sample over extended periods to collect discrete or composite samples based on time, event or flow proportional sampling. It does not include sampling systems built into online and in-line analysers. The general requirements include functional facilities that samplers need to meet users’ applications and information that needs to be included in associated documents. The test procedures specify uniform methods to be used when determining key performance characteristics of samplers at one or more set sample volume. It is for the sampler manufacturer and/or user to decide on the required set sample volume(s). All of the test procedures are to be carried out under laboratory conditions. It is recognized that for some samplers, certain test procedures are not applicable. Statistical procedures are specified for evaluation of the test data. Some example calculations are provided. Specific sample integrity requirements are specified for samplers to be used for the collection of samples of final effluent or influent for the purpose of monitoring the performance of urban waste water treatment works. Samplers to be used for other industrial applications do not need to be assessed against these specific sample integrity requirements. This document does not cover the installation and on-going use of samplers.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 General requirements for samplers
15 5 Performance requirements
5.1 Sample volume
5.2 Sampling principles
5.3 Sample line velocity
5.4 Power supply
5.5 Sample integrity
16 5.6 Sample timing error
5.7 Effect of ambient air temperature
5.7.1 Samplers not incorporating sample temperature control
5.7.2 Samplers incorporating sample temperature control
17 6 Conformity testing
6.1 General requirements
6.2 Test conditions
18 6.3 Verification by inspection
6.4 Performance tests
6.4.1 Collected sample volume
6.4.1.1 C.T.C.V. Time proportional sampling principle
19 6.4.1.2 C.T.V.V. flow proportional sampling principle
6.4.2 Testing of sampling principles
6.4.2.1 General
6.4.2.2 C.T.C.V
20 6.4.2.3 C.V.V.T. (impulse flow signal)
6.4.2.4 C.V.V.T (analogue flow signal)
6.4.2.5 Event triggered sampling
21 6.4.3 Sample line velocity
6.4.4 Power supply test
6.4.4.1 Mains supply samplers
22 6.4.4.2 DC and battery powered samplers
6.4.5 Sample integrity
23 6.4.6 Sampler timing error
6.4.7 Ambient air temperature effects
6.4.7.1 Test settings
24 6.4.7.2 Volumetric test
6.4.7.3 Sample temperature control test
26 Annex A (normative)Evaluation of conformity test data
A.1 Test 6.4.1.1 C.T.C.V. Time proportional sampling principle
A.1.1 Example calculation of sample volume bias and repeatability
A.1.1.1 Bias
A.1.1.2 Repeatability
27 A.1.1.3 Assessment of conformity
A.2 Test 6.4.1.2 C.T.V.V. Flow proportional sampling principle
A.2.1 Calculation of set sample volume
A.2.2 Assessment of conformity
A.3 Test 6.4.2 Testing of sampling principles
A.3.1 Data reporting
A.3.2 Assessment of conformity
A.4 Test 6.4.3 Sample line velocity
A.4.1 Data reporting
A.4.2 Assessment of conformity
28 A.5 Test 6.4.4 Power supply test
A.5.1 Test 6.4.4.1 Data reporting
A.5.2 Assessment of conformity
A.5.3 Test 6.4.4.2 Data reporting
A.5.4 Assessment of conformity
A.6 Test 6.4.5 Sample integrity
A.6.1 Calculation of results based on the analysis of variance
A.6.2 Notation
29 A.6.3 Calculations
30 A.6.4 Interpretation of the results
A.7 Test 6.4.6 Sampler timing error
A.7.1 Calculation of elapsed time, timing error and normalization of timing error
A.7.2 Assessment of conformity
31 A.8 Test 6.4.7 Ambient air temperature effects
A.8.1 Test 6.4.7.2 Volumetric test
A.8.2 Assessment of conformity
A.8.3 Test 6.4.7.3 Sample temperature control
32 Annex B (informative)Example calculations
B.1 General
B.2 Test 6.4.1.1 C.T.C.V. Time proportional sampling principle
B.2.1 Calculation of sample volume bias and repeatability
34 B.2.2 Assessment of conformity
B.3 Test 6.4.1.2 C.T.V.V. flow proportional sampling principle
B.3.1 Calculation of sample volume bias and repeatability
36 B.3.2 Assessment of conformity
B.4 Tests 6.4.2 Sampling principles
B.4.1 Test 6.4.2.2 C.T.C.V. sampling principle
B.4.1.1 Data reporting
37 B.4.1.2 Assessment of conformity
B.4.2 Test 6.4.2.3 C.V.V.T. sampling principle (impulse flow signal)
B.4.2.1 Data reporting
B.4.2.2 Assessment of conformity
B.4.3 Test 6.4.2.4 C.V.V.T. sampling principle (analogue flow signal)
B.4.3.1 Data reporting
38 B.4.3.2 Assessment of conformity
B.4.4 Test 6.4.2.5 event triggered sampling
B.4.4.1 Data reporting
B.4.4.2 Assessment of conformity
B.5 Test 6.4.3 Sample line velocity
B.5.1 Data reporting
39 B.5.2 Assessment of conformity
B.6 Test 6.4.4 Power supply test
B.6.1 Test 6.4.4.1 mains supply samplers
B.6.1.1 Data reporting
40 B.6.1.2 Assessment of conformity
41 B.6.2 Test 6.4.4.2 DC and battery powered samplers
B.6.2.1 Data recording
42 B.6.2.2 Results
B.6.2.3 Assessment of conformity
B.7 Test 6.4.5 Sample integrity
B.7.1 Data reporting, intermediate calculations and an ANOVA calculation
43 B.7.2 Assessment of conformity
44 B.8 Test 6.4.6 Sampler timing error
B.8.1 Data reporting
B.8.2 Calculation of elapsed time, timing error and normalization of timing error
B.8.3 Assessment of conformity
B.9 Ambient air temperature effects
B.9.1 Volumetric test 6.4.7.2
B.9.1.1 Data reporting
45 B.9.1.2 Calculation of bias, repeatability, and expanded uncertainty
46 B.9.1.3 Assessment of conformity
B.9.2 Sample temperature control test 6.4.7.3
B.9.2.1 Data reporting
B.9.2.2 Graphical form
47 Annex C (informative)Example procedure for demonstrating sample integrity for samplers to be used for monitoring the performance of urban waste water treatment works
C.1 General
C.2 Waste water
48 C.3 Sample collection
C.4 Sample volume
C.5 Sample integrity
C.6 Determination of conformance
49 Annex D (informative)Example format for the report

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BS EN 16479:2023
$198.66