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Your query 'Turkey' produced 529 results New search
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Turkey, UME (TÜBITAK Ulusal Metroloji Enstitüsü)
Complete CMCs in Time and Frequency for Turkey (.PDF file)
Time interval. Time difference meter, 1E-09 s to 1000 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 0.1
Pulse generator plus time interval counter
Pulse amplitude : 0 V to 5 V
The signal generated from pulse generator is applied to both the meter and the time interval counter. Then the reading values on their displays are compared.
Approved on 08 June 2007
Internal NMI service identifier: UME/20
 
Time interval. Delay meter, 1E-09 s to 1E-06 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in s: (5E-12 + 1.2E-03T), T time interval in s
Pulse generator plus wide band-width oscilloscope
Pulse frequency: > 10 kHz
The delayed two signals from pulse generator are applied to both the meter and the wide band oscilloscope. Then the reading values on their displays are compared.
Approved on 08 June 2007
Internal NMI service identifier: UME/21
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Comparison by means of time interval counter
Pulse amplitude: 0.1 V to 1 V
2 ns expanded uncertanty is for 1 PPS single measurement
Approved on 08 June 2007
Internal NMI service identifier: UME/1
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 20
Comparison with UTC(UME) and prediction using Circular T
Prediction time: 20 days
Local clock comparison with UTC(UME) using time interval counter and prediction local clock vs. UTC using Circular T
Approved on 08 June 2007
Internal NMI service identifier: UME/2
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 10
Comparison with UTC(UME) and using Circular T
Postprocessed: 1 day
Local clock comparison with UTC(UME) using time interval counter and postprocessed local clock vs. UTC using Circular T
Approved on 08 June 2007
Internal NMI service identifier: UME/3
 
Time scale difference. Remote clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 10
GPS common view method
Measurement time:  1 day
User clock comparison with UTC(UME) using GPS common view method. In this comparison all available satellite will be used.
Approved on 08 June 2007
Internal NMI service identifier: UME/4
 
Time scale difference. Remote clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 20
Comparison with UTC(UME) and prediction using Circular T
Prediction time: 20 days
Comparison with UTC(UME) using GPS common view method and prediction using Circular T
Approved on 08 June 2007
Internal NMI service identifier: UME/5
 
Time scale difference. Remote clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 10
Comparison with UTC(UME) and using Circular T
Postprocessed: 1 day
Comparison with UTC(UME) using GPS common view method and postprocessed user clock vs. UTC using Circular T
Approved on 08 June 2007
Internal NMI service identifier: UME/6
 
Time interval. Rise/fall time source, 1E-11 s to 0.1E-03 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in s: (5E-12 + 1.2E-03T), T time interval in s
Wide band-width oscilloscope
Pulse amplitude: < 800 mV
Pulse frequency: > 10 kHz
Direct measurement with wide band oscilloscope calibrated using femtosecond comb system
Approved on 08 June 2007
Internal NMI service identifier: UME/13
 
Time interval. Pulse width source, 1E-11 s to 0.1E-03 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in s: (5E-12 + 1.2E-03T, T time interval in s
Wide band-width oscilloscope
Pulse amplitude: < 800 mV
Pulse frequency: > 10 kHz
Direct measurement with wide band oscilloscope
Approved on 08 June 2007
Internal NMI service identifier: UME/14
 
Time interval. Time difference source, 1E-11 s to 0.1E-03 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in s: (5E-12 + 1.2E-03T), T time interval in s
Wide band-width oscilloscope
Pulse amplitude: < 800 mV
Pulse frequency: > 10 kHz
Direct measurement with wide band oscilloscope
Approved on 08 June 2007
Internal NMI service identifier: UME/15
 
Time interval. Delay source, 1E-11 s to 0.1E-03 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in s: (5E-12 + 1.2E-03T), T time interval in s
Pulse generator plus wide band-width oscilloscope
Pulse amplitude: < 800 mV
Pulse frequency: > 10 kHz
The pulse is applied to both the delay source and the wide band oscilloscope. Time delay read on wide band oscilloscope.
Approved on 08 June 2007
Internal NMI service identifier: UME/16
 
Time interval. Rise/fall time meter, 2E-09 s to 1E-06 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in s: (5E-12 + 1.2E-03T), T time interval in s
Pulse generator plus wide band-width oscilloscope
Pulse frequency: > 10 kHz
The signal generated from pulse generator is applied to both the meter and the wide band oscilloscope. Then the reading values on their displays are compared.
Approved on 08 June 2007
Internal NMI service identifier: UME/18
 
Frequency. Local frequency standard, 1 MHz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2E-13
Phase measurement
Averaging time: 1 day
Phase measurement using 1 PPS output of reference clock and time interval counter
Approved on 08 June 2007
Internal NMI service identifier: UME/7
 
Frequency. Remote frequency standard, 1 MHz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2E-13
GPS common view method
Measurement time: 5 day
User clock compare with UTC(UME) using GPS common view method and user clock frequency calculated using time interval deviation
Approved on 08 June 2007
Internal NMI service identifier: UME/8
 
Frequency. General frequency source, 1 Hz to 1E+09 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2E-12
Externally triggered frequency counter
Averaging time: 1000 s
Frequency measurement realised using counter externally triggered from Cs clock
Approved on 08 June 2007
Internal NMI service identifier: UME/9
 
Frequency. Frequency counter, 1 Hz to 1E+09 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2E-11
Externally triggered frequency synthesizer
Averaging time: 1 day
Externally triggered from Cs clock
Approved on 08 June 2007
Internal NMI service identifier: UME/10
 
Frequency. Frequency meter, 1 Hz to 3E+09 Hz
Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: 2E-11
Externally triggered frequency synthesizer
Averaging time: 1000 s
Direct measurement. The signal produced by synthesizer applies to frequency meter.
Approved on 08 June 2007
Internal NMI service identifier: UME/11
 
Time interval. Period source, 1E-09 s to 10 s
Relative expanded uncertainty (k = 2, level of confidence 95 %) in s/s: 2E-11
Externally triggered time interval counter
Averaging time: 1000 s
Direct measurement with time interval counter
Approved on 08 June 2007
Internal NMI service identifier: UME/12
 
Time interval. Period meter, 2.5E-11 s to 1 s
Relative expanded uncertainty (k = 2, level of confidence 95 %) in s/s: 2E-11
Externally triggered frequency synthesizer
Averaging time: 1000 s
Direct measurement. The signal produced by synthesizer applies to period meter.
Approved on 08 June 2007
Internal NMI service identifier: UME/17