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Japan, NMIJ AIST (National Metrology Institute of Japan)
Complete CMCs in Acoustics, Ultrasound, Vibration for Japan (.PDF file)
Pressure sensitivity level. Measurement microphone type LS1P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.05
IEC 61094-2:1992
Frequency: 63 Hz
Approved on 01 August 2004
 
Pressure sensitivity level. Measurement microphone type LS1P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.04
IEC 61094-2:1992
Frequency: 80 Hz to 4 kHz
Approved on 01 August 2004
 
Pressure sensitivity level. Measurement microphone type LS1P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.05
IEC 61094-2:1992
Frequency: 5 kHz
Approved on 01 August 2004
 
Pressure sensitivity level. Measurement microphone type LS1P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.06
IEC 61094-2:1992
Frequency: 6.3 kHz to 8 kHz
Approved on 01 August 2004
 
Voltage sensitivity (modulus). Acceleration measuring chain. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3
ISO 16063-11
Acceleration: 10 m/s2 to 100 m/s2
Frequency: 40 Hz to 80 Hz
Approved on 01 August 2004
 
Voltage sensitivity (modulus). Acceleration measuring chain. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.5
ISO 16063-11
Acceleration: 10 m/s2 to 100 m/s2
Frequency: 100 Hz to 200 Hz
Approved on 01 August 2004
 
Voltage sensitivity (modulus). Acceleration measuring chain. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.0
ISO 16063-11
Acceleration: 10 m/s2 to 100 m/s2
Frequency: 250 Hz to 2 kHz
Approved on 01 August 2004
 
Voltage sensitivity (modulus). Accelerometer. Measurand unit, V/(m/s2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.5
ISO 16063-11
Acceleration: 10 m/s2 to 100 m/s2
Frequency: 2.5 kHz to 5 kHz
Approved on 01 August 2004
 
Distribution temperature. Tungsten lamp, 2000 K to 3400 K
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in K: 15
Spectroradiometer
Approved on 16 January 2011
 
Responsivity, laser power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.7
Laser comparator
Wavelength: 488 nm, 515 nm
Power level: > 200 mW to 1 W
Type of detector: thermopile, pyroelectric, solid state
Approved on 16 January 2011
 
Responsivity, laser power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.22
Laser comparator
Wavelength: 404 nm
Power level: 0.05 mW to < 0.1 mW
Type of detector: thermopile, pyroelectric, solid state
Approved on 16 January 2011
 
Responsivity, laser power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.17
Laser comparator
Wavelength: 404 nm
Power level: 0.1 mW to < 1 mW
Type of detector: thermopile, pyroelectric, solid state
Approved on 16 January 2011
 
Responsivity, laser power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.13
Laser comparator
Wavelength: 404 nm
Power level: 1 mW to 10 mW
Type of detector: thermopile, pyroelectric, solid state
Approved on 16 January 2011
 
Responsivity, laser power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.1
Laser comparator
Wavelength: 1.06 µm
Power level: 1 W to 10 W
Type of detector: thermopile, pyroelectric, solid state
Approved on 16 January 2011
 
Responsivity, laser power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.3
Laser comparator
Wavelength: 10.6 µm
Power level: 1 W to 10 W
Type of detector: thermopile, pyroelectric, solid state
Approved on 16 January 2011
 
Irradiance, spectral. Tungsten lamp, 3E-05 W/(m2 nm) to 9E-03 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.8
Monochromator
Wavelength range: 250 nm to 350 nm
Bandwidth: 5 nm
Approved on 16 January 2011
 
Irradiance, spectral. Tungsten lamp, 1E-03 W/(m2 nm) to 4E-02 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.2
Monochromator
Wavelength range: 350 nm to 450 nm (excludes 350 nm)
Bandwidth: 5 nm
Approved on 16 January 2011
 
Irradiance, spectral. Tungsten lamp, 6E-03 W/(m2 nm) to 0.15 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.8
Monochromator
Wavelength range: 450 nm to 600 nm (excludes 450 nm)
Bandwidth: 5 nm
Approved on 16 January 2011
 
Irradiance, spectral. Tungsten lamp, 2E-02 W/(m2 nm) to 0.25 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.0
Monochromator
Wavelength range: 600 nm to 830 nm (excludes 600 nm)
Bandwidth: 5 nm
Approved on 16 January 2011
 
Irradiance, spectral. Tungsten lamp, 1.5E-02 W/(m2 nm) to 0.25 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.4
Monochromator
Wavelength range: 830 nm to 2000 nm (excludes 830 nm)
Bandwidth: 5 nm to 3 nm, varies with wavelength
Approved on 16 January 2011