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rice and rice flour (4)
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Thailand, NIMT (National Institute of Metrology (Thailand))
Complete CMCs in Chemistry for Food for Thailand (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/kg Relative expanded uncertainty
(k = 2, 95%) in %
rice and rice flour zinc 10 to 80 3.0 to 3.5
Mechanism(s) for measurement service delivery: Provision of reference values for PT schemes and reference material producer
Uncertainty convention 1.
Approved on 06 September 2012.
This CMC is relevant to both sub-categories "Nutritional constituents" and "Contaminants".
Internal NMI service identifier: NIMT/12020-60805
Thailand, NIMT (National Institute of Metrology (Thailand))
Complete CMCs in Chemistry for Food for Thailand (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/kg Relative expanded uncertainty
(k = 2, 95%) in %
soybean and soybean powder zinc 10 to 80 3.0 to 3.5
Mechanism(s) for measurement service delivery: Provision of reference values for PT schemes and reference material producer
Uncertainty convention 1.
Approved on 06 September 2012.
This CMC is relevant to both sub-categories "Nutritional constituents" and "Contaminants".
Internal NMI service identifier: NIMT/12020-60806
Thailand, NIMT (National Institute of Metrology (Thailand))
Complete CMCs in Chemistry for Food for Thailand (.PDF file)
Matrix or material Analyte or component Dissemination range of measurement capability
Mass fraction in mg/kg Relative expanded uncertainty
(k = 2, 95%) in %
cereal and cereal products zinc 10 to 80 3.0 to 3.5
Mechanism(s) for measurement service delivery: Provision of reference values for PT schemes and reference material producer
Uncertainty convention 1.
Approved on 06 September 2012.
This CMC is relevant to both sub-categories "Nutritional constituents" and "Contaminants".
Internal NMI service identifier: NIMT/12020-60804
 
Thailand, NIMT (National Institute of Metrology (Thailand))
Complete CMCs in Acoustics, Ultrasound, Vibration for Thailand (.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 (reference: 1 V/Pa): 0.05
IEC 61094-2:1992
Frequency: 20 Hz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11101
 
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 (reference: 1 V/Pa): 0.04
IEC 61094-2:1992
Frequency: 31.5 Hz to 4 kHz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11101
 
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 (reference: 1 V/Pa): 0.06
IEC 61094-2:1992
Frequency: 8 kHz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11101
 
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 (reference: 1 V/Pa): 0.07
IEC 61094-2:1992
Frequency: 10 kHz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11101
 
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 (reference: 1 V/Pa): 0.10
IEC 61094-2:1992
Frequency: 20 Hz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11102
 
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 (reference: 1 V/Pa): 0.06
IEC 61094-2:1992
Frequency: 31.5 Hz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11102
 
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 (reference: 1 V/Pa): 0.04
IEC 61094-2:1992
Frequency: 63 Hz to 12.5 kHz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11102
 
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 (reference: 1 V/Pa): 0.05
IEC 61094-2:1992
Frequency: 16 kHz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11102
 
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 (reference: 1 V/Pa): 0.08
IEC 61094-2:1992
Frequency: 20 kHz
Approved on 11 January 2013
Internal NMI service identifier: NIMT/14010 - 11102
 
DC voltage sources: low value ranges (equal or below 10 V). DC voltage source, multifunction calibrator, voltage V, 0 V to 10 V
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µV: (0.5 v + 2), v in V
Compare against DC standard
Internal NMI service identifier: NIMT/7
 
DC voltage sources: intermediate values (higher than 10 V to 1100 V). DC voltage source, multifunction calibrator, voltage V, > 10 V to 100 V
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µV: (0.5 v + 15), v in V
Compare against DC standard
Internal NMI service identifier: NIMT/8
 
DC voltage sources: intermediate values (higher than 10 V to 1100 V). DC voltage source, multifunction calibrator, voltage V, > 100 V to 1000 V
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µV: (0.8 v + 200), v in V
Compare against DC standard
Internal NMI service identifier: NIMT/9
 
Inductance: self inductance and equivalent series resistance, low values (below 1 mH). Fixed inductor, 100 µH
Relative expanded uncertainty (k = 2, level of confidence 95%) in mH/H: 0.35
Compare against reference standard
Frequency: 1 kHz
Internal NMI service identifier: NIMT/55
 
AC-DC voltage transfer: AC-DC transfer difference at higher voltages (higher than 5 V). Thermal converters, AC-DC transfer standard, 7 V to 10 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 13
AC-DC voltage transfer
Voltage: 7 V, 10 V
Frequency: 50 kHz to 70 kHz
Internal NMI service identifier: NIMT/105
 
AC voltage up to 1000 V: sources. Multifunction calibrator, 300 mV to 700 mV
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 23
AC-DC voltage transfer
Voltage: 300 mV to 500 mV, 600 mV, 700 mV
Frequency: 30 Hz to 300 Hz
Internal NMI service identifier: NIMT/160
 
AC voltage up to 1000 V: meters. AC voltmeter, multimeter, 100 mV to 200 mV
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 38
AC-DC voltage transfer
Voltage: 100 mV, 200 mV
Frequency: 10 Hz to 20 Hz
Internal NMI service identifier: NIMT/216
 
AC voltage up to 1000 V: meters. AC voltmeter, multimeter, 100 mV to 200 mV
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 25
AC-DC voltage transfer
Voltage: 100 mV, 200 mV
Frequency: 30 Hz to 300 Hz
Internal NMI service identifier: NIMT/217