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Calibration and Measurement Capabilities
Time and Frequency |
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| In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2 |
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| Result of the search |
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Your selection : Time and Frequency
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| | | Egypt, NIS (National Institute for Standards) |
| | Complete CMCs in Time and Frequency for Egypt (.PDF file) | | | Frequency. Frequency counter, 0.5 Hz to 1.3E+09 Hz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: (3.5E-24 + 9.9E-15/f2)0.5, f frequency in Hz | | Direct frequency measurement | | Gate time: 100 s | | Excluding DUT's effect
Approved on 02 March 2012 | | Internal NMI service identifier: NIS/TF03 |
| | | Frequency. Local frequency standard, 1 Hz to 1.2E+08 Hz | | Relative expanded uncertainty (k = 2, level of confidence 95%) in Hz/Hz: 5.8E-13 | | Phase comparison | | Measurement time: 1 d | | Amplitude: 200 mV to 3.5 V (peak to peak) | | Approved on 02 March 2012 | | Internal NMI service identifier: NIS/TF05 |
| | | Time interval. Time difference meter, 1 s to 86400 s | | Relative expanded uncertainty (k = 2, level of confidence 95%) in s/s: 0.228/t, t time interval in s | | Direct comparison against traceable time display | | Minimum error rate of the calibrated clock: 0.9 s/d | | Including DUT's effect and operator response time
Approved on 02 March 2012 | | Internal NMI service identifier: NIS/TF06 |
| | | Time scale difference. Local clock vs UTC, -0.5 s to 0.5 s | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in ns: 62 | | Time interval measurement | | Prediction time: 30 d | | Averaging time of GPS P3 data: 1 d | | Prediction using Circular T
Approved on 02 March 2012 | | Internal NMI service identifier: NIS/TF01 |
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