Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
 KCDB home  > Free search results
The BIPM key comparison database
Refine your search
CMC AREA
CMCs General Physics (22)
PHYSICS
Density
Sound in air (22)
Pressure sensitivity level (13)
Sound pressure level (5)
Force response level (1)
Mechanical impedance (1)
Air-conduction response level (1)
Bone-conduction response level (1)
Sound pressure response level
CHEMICAL ANALYTE
chromium
GEOGRAPHIC LOCATION
SIM (22)
Mexico (22)
Result of the search
Your query 'cenam' produced 22 results New search
1  2

 
Mexico, CENAM (Centro Nacional de Metrologia)
Complete CMCs in Acoustics, Ultrasound, Vibration for Mexico (.PDF file)
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.2
Pressure reciprocity IEC 1094-2:1992
Frequency: 20 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.11
Substitution IEC 1094-5
Frequency: 250 Hz
Internal NMI service identifier: CENAM/510-F012-002
 
Sound pressure level. Pistonphone, single frequency 250 Hz, 70 dB (reference: 20 µPa) to 130 dB (reference: 20 µPa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.09
Calibrated measurement microphone
Microphone type: LS1P
Internal NMI service identifier: CENAM/510-F012-003
 
Sound pressure level. Pistonphone or sound calibrator, single frequency 125 Hz to 1 kHz, 70 dB (reference: 20 µPa) to 130 dB (reference: 20 µPa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.11
Calibrated measurement microphone
Microphone type: LS2P
Internal NMI service identifier: CENAM/510-F012-003
 
Sound pressure level. Sound calibrator, single frequency 125 to 1 kHz, 70 dB (reference: 20 µPa) to 130 dB (reference: 20 µPa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.16
Calibrated measurement microphone
Microphone type: WS2P
Internal NMI service identifier: CENAM/510-F015-003
 
Sound pressure level. Sound calibrator, multi-frequency, 70 dB (reference: 20 µPa) to 115 dB (reference: 20 µPa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.16
Calibrated measurement microphone
Frequency: 125 Hz to 1 kHz
Microphone type: LS2P
Internal NMI service identifier: CENAM/510-F012-008
 
Sound pressure level. Sound calibrator, multi-frequency, 70 dB (reference: 20 µPa) to 115 dB (reference: 20 µPa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.21
Calibrated measurement microphone
Frequency: 31.5 Hz to 8 kHz
Microphone type: LS2P
Internal NMI service identifier: CENAM/510-F012-008
 
Air-conduction response level. Audiometers. Measurand unit, dB HL (reference: threshold of hearing)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.38
IEC60645-1
Frequency: 125 Hz to 8 kHz
Internal NMI service identifier: CENAM/510-F016-001
 
Bone-conduction response level. Audiometers. Measurand unit, dB HL (reference: threshold of hearing)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.4
IEC60645-1
Frequency: 125 Hz to 4 kHz
Internal NMI service identifier: CENAM/510-F016-001
 
Force response level. Mechanical coupler system. Measurand unit, dB (reference: reference equivalent threshold force)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.3
Comparison IEC 60373
Frequency: 125 Hz to 4 kHz
Internal NMI service identifier: CENAM/510-F012-011
 
Mechanical impedance. Mechanical coupler system. Measurand unit, dB (reference: 1 N/(m/s) )
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.2
Comparison IEC 60373
Frequency: 125 Hz to 4 kHz
Internal NMI service identifier: CENAM/510-F012-011
 
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.04
Pressure reciprocity IEC 1094-2:1992
Frequency: 31.5 Hz to 250 Hz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.03
Pressure reciprocity IEC 1094-2:1992
Frequency: 500 Hz to 3.1 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.05
Pressure reciprocity IEC 1094-2:1992
Frequency: 4 kHz to 5 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.06
Pressure reciprocity IEC 1094-2:1992
Frequency: 6.3 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.1
Pressure reciprocity IEC 1094-2:1992
Frequency: 8 kHz to 9 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS1. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.15
Pressure reciprocity IEC 1094-2:1992
Frequency: 10 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.05
Pressure reciprocity IEC 1094-2:1992
Frequency: 63 Hz to 3.15 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.06
Pressure reciprocity IEC 1094-2:1992
Frequency: 4 kHz to 8 kHz
Internal NMI service identifier: CENAM/510-F013-001
 
Pressure sensitivity level. Measurement microphone type LS2. Measurand unit, dB (reference: 1 V/Pa)
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.1
Pressure reciprocity IEC 1094-2:1992
Frequency: 9 kHz to 10 kHz
Internal NMI service identifier: CENAM/510-F013-001