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Sweden, RISE (Research Institutes of Sweden AB)
Complete CMCs in Time and Frequency for Sweden (.PDF file)
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Time interval measurement
Pulse amplitude: 0.1 V to 10 V
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2817
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 20
Time interval measurement
Prediction time: 20 days
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2817
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 6
Time interval measurement
Interpolation time: 2.5 days
Postprocessed
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2817
 
Time scale difference. Remote clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 7
GPS CV
Averaging time: 1 day
Distance: < 2000 km
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2821
 
Time scale difference. Remote clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 24
GPS CV
Prediction time: 20 days
Distance: < 2000 km
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2821
 
Time scale difference. Remote clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 13
GPS CV
Distance: < 2000 km
Interpolation time: 2.5 days
Postprocessed
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2821
 
Time interval. Time difference source, 1E-09 s to 1000 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 0.7
Time interval counter
Pulse amplitude: 0.1 V to 10 V
For square wave or pulsed signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2816
 
Time interval. Delay source, 1E-09 s to 1000 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 0.7
Time interval counter
Pulse amplitude: 0.1 V to 10 V
For square wave or pulsed signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2816
 
Frequency. Local frequency standard, 1 MHz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-13
Phase time measurement
Averaging time: 1 day
For sine wave signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2818
 
Frequency. Local frequency standard, 5 MHz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-13
Phase time measurement
Averaging time: 1 day
For sine wave signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2818
 
Frequency. Local frequency standard, 10 MHz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-13
Phase time measurement
Averaging time: 1 day
For sine wave signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2818
 
Frequency. Remote frequency standard, 1 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-13
GPS CV
Averaging time: 1 day
Distance: < 2000 km
Internal NMI service identifier: SP-Metod 2821
 
Frequency. General frequency source, 1 Hz to 1E+04 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: (6.0E-07/f), f in Hz
Direct frequency measurement
Averaging time: 1000 s
For sine wave signal, f is the measured frequency in Hz
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2815
 
Frequency. General frequency source, 1E+04 Hz to 2.7E+09 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 6.0E-11
Direct frequency measurement
Averaging time: 1000 s
For sine wave signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2815
 
Frequency. General frequency source, 1 Hz to 2.7E+09 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 6.0E-11
Direct frequency measurement
Averaging time: 1000 s
For square wave or pulsed signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2815
 
Frequency. General frequency source, 1 Hz to 1E+07 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-13
Phase time measurement
Averaging time: 1 day
For square wave or pulsed signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2818
 
Frequency. Frequency counter, 1 Hz to 1E+06 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: (2.0E-07/f), f in Hz
Frequency source
Averaging time: 1000 s
For sine wave signal, f is the applied frequency in Hz
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2820
 
Frequency. Frequency counter, 1E+06 Hz to 4E+10 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-13
Frequency source
Averaging time: 1000 s
For sine wave signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2820
 
Frequency. Frequency counter, 1 Hz to 2E+07 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2.0E-11
Frequency source
Averaging time: 1000 s
For square wave or pulsed signal
Approved on 18 November 2009
Internal NMI service identifier: SP-Metod 2820
 
Gauge pressure. Pressure balance, 3.5E+03 Pa to 1.7E+04 Pa
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (0.2 + 2.5E-05p), p pressure in Pa
Gas
Uncertainty values range from 2.9E-01 Pa to 6.3 Pa
Approved on 02 July 2008