Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
CMC AREA
CMCs General Physics (785)
CMCs Chemistry (633)
CMCs Ionizing Radiation (329)
PHYSICS >
Temperature (137)
Radio frequency measurements (119)
Properties of detectors and sources (72)
Impedance up to the MHz range (52)
Electric and magnetic fields (40)
DC voltage, current, and resistance (39)
Sound in air (35)
Materials (31)
Vibration (30)
Photometry (23)
AC voltage, current, and power (23)
Dimensional metrology (22)
IONIZING RADIATION >
Activity per unit mass (50)
Activity (50)
Emission rate (30)
Air kerma rate (22)
Air kerma (22)
Surface emission rate (20)
Ambient dose equivalent rate (17)
Ambient dose equivalent (15)
Directional dose equivalent rate (12)
Directional dose equivalent (12)
CHEMICAL MATERIAL >
nitrogen (154)
methane (57)
helium (55)
synthetic natural gas (45)
synthetic air (44)
CHEMICAL ANALYTE >
carbon dioxide (35)
carbon monoxide (32)
methane (29)
oxygen (26)
nitrogen (24)
GEOGRAPHIC LOCATION
COOMET (1747)
Russian Federation (1747)
Result of the search
Your query 'Russian Federation' produced more than 1000 results New search
1  2  3 [Next >>]

 
Russian Federation, VNIIFTRI (Institute of Physical Technical and Radiotechnical Measurements, Rosstandart)
Complete CMCs in Acoustics, Ultrasound, Vibration for Russian Federation (.PDF file)
System response level. Reference coupler system. Measurand unit, dB (reference: true sound pressure level)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.30
Sequential comparison
Frequency: 125 Hz to 8 kHz
 
Air-conduction response level. IEC60645-1 audiometers. Hearing levels, -10 dB to 130 dB
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.80
Calibrated artificial ear system
Frequency: 125 Hz to 8 kHz
 
Free-field sensitivity. Measurement hydrophone. Measurand unit, µV/Pa
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.6
IEC 60565, three- transducer spherical wave reciprocity in a laboratory tank
Frequency: 3.15 kHz to 200 kHz
Sound pressure: 1 Pa to 100 Pa
 
Free-field sensitivity. Measurement hydrophone. Measurand unit, µV/Pa
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.6
IEC 60565, three- transducer spherical wave reciprocity in a laboratory tank
Frequency: 0.21 MHz to 0.5 MHz
 
Free-field sensitivity. Measurement hydrophone. Measurand unit, µV/Pa
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.7
IEC 60565, three- transducer spherical wave reciprocity in a laboratory tank
Frequency: 0.51 MHz to 1.0 MHz
 
Pressure sensitivity level. Measurement microphone type LS2P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.14
IEC 61094-2:1992
Frequency: 31.5 Hz
Approved on 17 September 2009
 
Pressure sensitivity level. Measurement microphone type LS2P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.11
IEC 61094-2:1992
Frequency: 40 Hz
Approved on 17 September 2009
 
Pressure sensitivity level. Measurement microphone type LS2P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.08
IEC 61094-2:1992
Frequency: 50 Hz
Approved on 17 September 2009
 
Pressure sensitivity level. Measurement microphone type LS2P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.31
IEC 61094-2:1992
Frequency: 25 kHz
Approved on 17 September 2009
 
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: 63 Hz to 100 Hz
 
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: 0.03
IEC 61094-2:1992
Frequency: 125 Hz to 3.15 kHz
 
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: 4 kHz
 
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: 5 kHz
 
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: 0.09
IEC 61094-2:1992
Frequency: 6.3 kHz
 
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: 0.10
IEC 61094-2:1992
Frequency: 8 kHz
 
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: 0.13
IEC 61094-2:1992
Frequency: 10 kHz
 
Pressure sensitivity level. Measurement microphone type LS2P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.08
IEC 61094-2:1992
Frequency: 63 Hz
 
Pressure sensitivity level. Measurement microphone type LS2P. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.07
IEC 61094-2:1992
Frequency: 80 Hz to 100 Hz
 
Pressure sensitivity level. Measurement microphone type LS2P. 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: 125 Hz to 160 Hz
 
Pressure sensitivity level. Measurement microphone type LS2P. 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: 200 Hz to 8 kHz