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Schedule + Costs: Gas Measurement & Gas Cylinder Proficiency Testing Scheme
2023 Schedule:
Task |
Deadline / Date |
Round 21 Registration Opens |
14th December 2022 |
Round 21 Registration Deadline |
12th May 2023 |
Round 21 Visit to NPL |
20th to 23rd June 2023
27th to 30th June 2023
2nd week
depending on demand |
Round 21 Results Submission |
10 working days after testing |
Round 21 Report Issued |
24th August 2023 |
The Gas Measurement & Gas Cylinder Scheme will be conducted at NPL. Measurements of three test concentrations and gas cylinders will be completed in one day. The details for testing on the day can be found in the individual protocols located at: Forms and Protocols.
Range of concentrations for Gas Measurement Component:
Pollutant |
Maximum |
Minimum |
Unit |
SO2 |
100 |
5 |
PPM |
NO |
190 |
10 |
PPM |
NO2 |
60 |
2 |
PPM |
CO |
100 |
5 |
PPM |
C3H8 |
9.9 |
1.5 |
PPM |
O2 |
17 |
2 |
% |
H2O |
20 |
1 |
% |
The price for participation of a single test team in the Gas Measurement & Gas Cylinder Scheme is £3,473.00 + VAT.
Test teams may report up to 2 instruments per determinand for both the Gas Measurement and Gas
Cylinder components.
Participants will be invited to set up instrumentation the day before testing, between 4pm and 6pm only.
Companies participating in the Scheme will be listed the following year on this website. An option to opt out is available when registering.
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