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 Egypt, NIS (National Institute for Standards)    Complete CMCs in Length for Egypt (.PDF file)
  
Laser radiations. Stabilized laser of the mise en pratique: vacuum wavelength, 473 THz   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in kHz: 24   Optical beat frequency   Approved on 30 January 2009 
 Laser radiations. Stabilized laser of the mise en pratique: vacuum wavelength, 633 nm   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in fm: 0.04   Optical beat frequency   Approved on 30 January 2009 
 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 
 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 
 Frequency. Frequency counter, 0.5 Hz to 1.3E+09 Hz   Relative expanded uncertainty (k = 2, level of confidence 95 %) in Hz/Hz: (3.5E24 + 9.9E15/f^{2})^{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: 5.8E13   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 
 Mass. Mass standard, 1 mg to 100 mg   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 0.5 to 1.2   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Mass. Mass standard, 0.1 g to 1 g   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 1.2 to 3   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Mass. Mass standard, 1 g to 10 g   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 3 to 6   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Mass. Mass standard, 10 g to 100 g   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 6 to 50   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Mass. Mass standard, 0.1 kg to 1 kg   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 50 to 95   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Mass. Mass standard, 1 kg to 10 kg   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mg: 0.095 to 3   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Mass. Mass standard, 10 kg to 50 kg   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mg: 3 to 30   Comparison in air   Uncertainty scales with measurand level. The volume of the mass standards is known. Approved on 25 November 2010 
 Absolute pressure. Pressure balance, 1.0E+04 Pa to 4.0E+05 Pa   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (1.2 + 1.1E04p), p pressure in Pa   Gas medium   Approved on 24 August 2009 
 Absolute pressure. Pressure balance, 4.0E+05 Pa to 4.0E+06 Pa   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (1.2 + 1.1E04p), p pressure in Pa   Gas medium   Approved on 24 August 2009 
 Gauge pressure. Pressure balance, 1.0E+04 Pa to 4.0E+07 Pa   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (70 + 3.3E05p), p pressure in Pa   Gas medium   Approved on 24 August 2009 
 Gauge pressure. Pressure balance, 2.0E+05 Pa to 5.0E+06 Pa   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (32 + 2.5E05p), p pressure in Pa   Liquid medium   Approved on 24 August 2009 
 Gauge pressure. Pressure balance, 5.0E+06 Pa to 1.0E+08 Pa   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (100 + 3.2E05p), p pressure in Pa   Liquid medium   Approved on 24 August 2009 
 Gauge pressure. Pressure balance, 1.0E+08 Pa to 5.0E+08 Pa   Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Pa: (500 + 5E05p + 3E13p^{2}), p pressure in Pa   Liquid medium   Approved on 24 August 2009 
 Kinematic viscosity. Newtonian liquids, 0.001 mm^{2}/s^{2} to 0.03 mm^{2}/s^{2}   Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.35   Capillary viscometer   Temperature: 20 °C to 25 °C   Approved on 19 October 2009 
