1. Product Presentation
Calibration Services

2. Content Evolving Calibration Service at MBW Calibration as a product
Factory calibration / SF6
Calibration traceability
Our calibration capability
A few words on our primary standards
Our role as a Designated Institute (DI)
June 2017
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3. Evolving Calibration Service at MBW
2014 Announced as Swiss DI for humidity Providing the Swiss humidity standard
Accreditation Providing traceability through ILAC-MRA
2016 Primary realizations presented at Tempmeko
EURAMET-TC-T WG on CMC then CCT-WG-CMC then JRCB then published in appendix C of the CIPM-MRA
CCT-WG.hu wrote and sent the review protocol to CCT-WG.CHC. They then follow this.
today CMC’s submitted, waiting for approval from BIPM CCT-WG-CMC
19xx – 2011 Factory Calibration Verify our products
June 2017
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4. Evolving Calibration Service
June 2017
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5. Evolving Calibration Service
June 2017
© MBW Calibration

6. Calibration as a Product
General benefits
Regular contact with the customer
Provide traceability for reference instruments
Ongoing revenue
When calibrated at MBW
System Check and firmware update included
Repair and spare parts if needed
Low uncertainty calibration
June 2017
© MBW Calibration

7. Calibration as a Product
Upgrade to SCS accredited calibration
Excellent value
Increases total order
Motivates repeat calibration
June 2017
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8. Calibration as a Product
SCS 0125
Always refer to official scope
June 2017
© MBW Calibration

9. Calibration as a Product
Complete Standard Calibration 973‐SF6 Analyzer
General check and software update
Evacuation of the instrument and leak test
Calibration
Pressure sensors P1, P2, P3
Dew points +1 & ‐40 °C
SF6 purity in % according to calibration report
Complete Standard Calibration 973‐SF6 Analyzer incl. SO
As above plus SO2 module
June 2017
© MBW Calibration

10. Calibration Traceability
For measurements to be scientifically sound and meaningful they require metrological traceability
Metrological traceability to the SI can be obtained with international recognition from two sources:
From National Measurement Institutes (NMI) or Designated Institutes (DI) via calibration certificates issued under the CIPM-MRA with the CMCs published in the KCDB*
From calibration laboratories accredited by Recognized National Accreditation Bodies, via calibration certificates issued under the ILAC-MRA with the CMCs published in the scopes of their accreditation.
* BIPM Key Comparison Database
June 2017
© MBW Calibration

11. Calibration Traceability
From National Measurement Institutes (NMI) or their Designated Institutes (DI) via calibration certificates issued under the CIPM-MRA with the CMCs published in the KCDB
Directly traceable to SI units
Provide a national standard
Validation through comparisons (RMO, BIPM)
CMC in the KCDB
Top level calibration for accredited laboratories and/or other NMI
June 2017
© MBW Calibration

12. Calibration Traceability
From calibration laboratories accredited by Recognized National Accreditation Bodies, via calibration certificates issued under the ILAC-MRA with the CMCs published in the scopes of their accreditation.
This is what is commonly referred to as an “accredited laboratory”
17025 accreditation
Regular audits from the calibration body
Published calibration scope and uncertainties
Equally valid in all countries that are members of ILAC
June 2017
© MBW Calibration

13. MBW Scope of Accreditation
mbw.ch/products/ accredited-calibration/ Link to official Scope
June 2017
© MBW Calibration

14. MBW Scope of Accreditation
June 2017
© MBW Calibration

15. MBW Scope of Accreditation
Humidity
Primary realization
Reference values defined by the generator measurements
A gas stream with known level of humidity
Traceable through temperature and pressure
Calibration by comparison
Reference values defined by a calibrated dew point mirror
A gas stream is split to a unit under test and the reference mirror at the same time
Traceable through the calibration of the reference mirror
June 2017
© MBW Calibration

16. MBW Scope of Accreditation
Temperature
Calibration by comparison
Reference values defined by a calibrated SPRT
Reference and test PRT are held in a temperature bath
Traceable through the calibration of the SPRT
Intermediate check with ice bath and TPW
June 2017
© MBW Calibration

17. STS - High Range Saturator
In use as a generator with a 373 as reference since 2012
Accredited for primary realization in 2015
Validated up to 5 lpm for -20 °C to +95 °C DP
June 2017
© MBW Calibration

18. LRS – our Low Range Standard
In use as a generator with a 373 as reference since 2013
Accredited for primary realization in 2016
Validated up to 5 lpm for -90 °C to -5 °C FP
June 2017
© MBW Calibration

19. The Project – Goals p > 20 (30)? MPa, for td/f 80C to 20C.
To set-up as a demonstrator a high- pressure standard humidity generator
Establish a high-pressure laboratory grade transfer standard.
Extension of CMC of frost/dew-point to high pressure.
p > 20 (30)? MPa, for td/f 80C to 20C.
CTI funded Project
June 2017
© MBW Calibration

20. 12. März 2014
MBW SCS Accredited in 2011
Basis of the National Realization of Frost/Dew-Point Temperature as the Swiss Designated Institute for Humidity
ISO/IEC 17025:2005 external Assessment by SAS
with Experts from NMIs with Humidity Expertise
June 2017
© MBW Calibration

21. Comparison with Published CMC
ELECTRICAL
FROST/DEW-POINT TEMPERATURE
June 2017
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22. CMC Today
June 2017
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