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Your query 'cenam' produced 251 results
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| | | Mexico, CENAM (Centro Nacional de Metrologia) | | | Complete CMCs in Time and Frequency for Mexico (.PDF file)
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| Time scale difference. Local clock, -1 s to +1 s | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in ns: 2 | | Local clock vs. UTC(CNM) | | Averaging time: 1 hour | | Approved on 25 February 2009 |
| | | Time scale difference. Local clock, -1 s to +1 s | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in ns: 20 | | Local clock vs. UTC | | Averaging time: 5 days | | This service requires the publication of the Circular T of the BIPM corresponding to dates when the calibration services were performed in order to know the time difference between the clock under calibration and UTC
Approved on 25 February 2009 |
| | | Time scale difference. Remote clock, -1 s to +1 s | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in ns: 15 | | Remote clock vs. UTC(CNM) | | Averaging time: 1 day | | GPS common-view comparison using multichannel GPS receiver
Approved on 25 February 2009 |
| | | Time scale difference. Remote clock, -1 s to +1 s | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in ns: 25 | | Remote clock vs. UTC | | Averaging time: 5 days | | GPS common-view comparison using multichannel GPS receiver
This service requires the publication of the Circular T of the BIPM corresponding to dates when the calibration services were performed in order to know the time difference between the clock under calibration and UTC
Approved on 25 February 2009 |
| | | Frequency. Standard frequency source, 5 MHz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: 1.0E-13 | | Local frequency standard | | Averaging time: 2 days | | Approved on 25 February 2009 |
| | | Frequency. Standard frequency source, 10 MHz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: 1.0E-13 | | Local frequency standard | | Averaging time: 2 days | | Approved on 25 February 2009 |
| | | Frequency. Standard frequency source, 5 MHz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: 5.0E-13 | | Remote frequency standard | | Averaging time: 1 day | | GPS common-view comparison using multichannel GPS receiver
Approved on 25 February 2009 |
| | | Frequency. General frequency source, 1 MHz to 100 MHz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: 2.0E-13 | | Direct frequency measurement | | Averaging time: 2 days | | Approved on 25 February 2009 |
| | | Frequency. Frequency counter, 1 MHz to 100 MHz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: 2.0E-13 | | Direct frequency measurement | | Averaging time: 2 days | | Approved on 25 February 2009 |
| | | Absolute pressure gas medium. Low pressure gauges, 1 kPa to 120 kPa | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in Pa: 0.5 to 2.5 | | Direct comparison with standard | | Temperature: 20 °C | | Internal NMI service identifier: CENAM/720-F002-002 |
| | | Mass. Weight, 1 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0005 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 2 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0005 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 5 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0005 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 10 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0005 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 20 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0005 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 50 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0007 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 100 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0008 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 200 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0010 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 500 mg | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.0025 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
| | | Mass. Weight, 1 g | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in mg: 0.003 | | Subdivision | | Temperature: 20 °C | | Humidity: 40 % to 60 % | | Pressure: 81 kPa | | Approved on 04 December 2011 | | Internal NMI service identifier: CENAM/730-F008-C062-CC |
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