to BIPM.org
CIPM MRA PARTICIPANTS
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement
Menu
Login
CIPM MRA PARTICIPANTS
CMC statistics
Results for: India
Filters
CMC Quick search Filters close;
?
Added keywords act as an additional filter. Keywords separated by a space will be treated by the logical function AND automatically. You may also use OR. Keyword searches also find close matches. Placing quotation marks (") before and after the search word, e.g. "word", will allow for exact matches.

In case of multiple search, please use ADVANCED SEARCH.
236 results
Reset all
CMC Area
To filter, either use the tick boxes or click on the underscored item
General physics
Chemical material
Chemical Analyte
Geographical location
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
India, NPLI (CSIR National Physical Laboratory of India)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in nmol/mol Absolute expanded uncertainty in nmol/mol Amount-of-substance fraction in Absolute expanded uncertainty in
air ozone 0 to 500
  • Uncertainty equation CMC : Q[1.0, 0.022x(O3)]

    The uncertainty is expressed in nmol/mol
  • Mechanism for measurement service delivery : Calibration service with SRP
  • The notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
  • Approved on 20 January 2016
  • Institute service identifier : 01
Frequency , Frequency : 1 MHz
General frequency source
Relative expanded uncertainty : 6.4E-12 Hz/Hz
Direct frequency measurement
Gate time : 10 s
Number of measurements : 100
Amplitude : > 0.5 V (50 ohm)
Excluded DUT's effect
Approved on 15 June 2011
Institute service identifier : NPLI/6
Frequency , Frequency : 5.00E6 Hz
General frequency source
Relative expanded uncertainty : 9.0E-14 Hz/Hz
Time interval measurement
Measurement time : 86400 s
Amplitude : > 1 V (50 ohm)
Excluded DUT's effect
Approved on 15 June 2011
Institute service identifier : NPLI/4
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type: IEC 61094-1 LS1P microphone
Absolute expanded uncertainty : 7.0E-2 dB
IEC 61094-2
Frequency : 63 Hz to 2 kHz
Approved on 23 October 2009
Institute service identifier : AUV.NPL.1101
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type: IEC 61094-1 LS1P microphone
Absolute expanded uncertainty : 8.0E-2 dB
IEC 61094-2
Frequency : 2.5 kHz to 8 kHz
Approved on 23 October 2009
Institute service identifier : AUV.NPL.1101
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type: IEC 61094-1 LS2P microphone
Absolute expanded uncertainty : 8.0E-2 dB
IEC 61094-2
Frequency : 125 Hz to 200 Hz
Approved on 23 October 2009
Institute service identifier : AUV.NPL.1201
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type: IEC 61094-1 LS2P microphone
Absolute expanded uncertainty : 0.12 dB
IEC 61094-2
Frequency : 31.5 Hz to 50 Hz
Approved on 23 October 2009
Institute service identifier : AUV.NPL.1201
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type: IEC 61094-1 LS2P microphone
Absolute expanded uncertainty : 0.11 dB
IEC 61094-2
Frequency : 63 Hz to 100 Hz
Approved on 23 October 2009
Institute service identifier : AUV.NPL.1201
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type: IEC 61094-1 LS2P microphone
Absolute expanded uncertainty : 0.12 dB
IEC 61094-2
Frequency : 16 kHz
Approved on 23 October 2009
Institute service identifier : AUV.NPL.1201
Radio frequency measurements , Scalar RF reflection coefficient and attenuation: reflection coefficient in waveguides : 0.01 to 0.2
Passive device: matched termination and standard mismatche
Absolute expanded uncertainty : 2.0E-3 to 3.0E-3
Tuned reflectometer technique
Frequency : 5.8 GHz to 18 GHz (spot frequency)
Approved on 10 November 2014
Institute service identifier : NPLI/73
DC current (up to 100 A) , DC current sources: intermediate values : 1.00E-4 A to 20 A
Current generator, calibrator
Relative expanded uncertainty : 5.5 µA/A to 1.0E1 µA/A
Uncertainty table
{"row_1":{"col_1":"","col_2":"Relative expanded uncertainty / (µA/A)"},"row_2":{"col_1":"1E-04 A to 2 A","col_2":"5.5 to 7"},"row_3":{"col_1":"2 A to 20 A","col_2":"7 to 10"}}
Voltage drop across reference resistor
Approved on 10 November 2014
Institute service identifier : NPLI/17
DC resistance , DC resistance standards and sources: multiple ranges : 10 Ω to 1.00E6 Ω
Multifunction calibrator
Relative expanded uncertainty : 0.1 mΩ/Ω to 1 mΩ/Ω
Comparison
Approved on 10 November 2014
Institute service identifier : NPLI/2.1.5
DC voltage (up to 1100 V) , DC voltage sources: intermediate values : 10 V to 1000 V
DC voltage source, multifunction calibrator
Relative expanded uncertainty : 1.5 µV/V to 4.5 µV/V
Uncertainty table
{"row_1":{"col_1":"","col_2":" Expanded uncertainty","col_3":"******** Instrument ********"},"row_2":{"col_1":"1 V","col_2":"80 nV","col_3":"Solid state voltage standard"},"row_3":{"col_1":"1.018 V","col_2":"80 nV","col_3":"Solid state voltage standard"},"row_4":{"col_1":"10 V","col_2":"350 nV","col_3":"Solid state voltage standard"},"row_5":{"col_1":"1.018 V to 12 V","col_2":"1 µV/V","col_3":"Standard cell"},"row_6":{"col_1":"10 µV to 10 V","col_2":"1.5 µV to 15 µV","col_3":"DC voltage source, multifunction calibrator"},"row_7":{"col_1":"10 V to 1000 V","col_2":"1.5 µV/V to 4.5 µV/V","col_3":"DC voltage source, multifunction calibrator"},"row_8":{"col_1":"10 µV to 1 mV","col_2":"1.5 µV","col_3":"DC voltmeter, multimeter"},"row_9":{"col_1":"1 mV to 10 V","col_2":"1.5 µV to 15 µV","col_3":"DC voltmeter, multimeter"},"row_10":{"col_1":"10 V to 1000 V","col_2":"1.5 µV/V to 4.5 µV/V","col_3":" Multifunction transfer standard, DC voltmeter"}}
Resistive divider
Approved on 10 November 2014
Institute service identifier : NPLI/4
DC voltage (up to 1100 V) , DC voltage ratios: up to 1100 V : 0.1 to 100
Resistive divider
Relative expanded uncertainty : 2 µV/V
Comparison with reference divider
Input voltage : 1 V to 1000 V
Approved on 10 November 2014
Institute service identifier : NPLI/8
Pressure , Differential pressure, gas medium : 30 kPa to 150 kPa
Pressure measuring device, pressure balance
Absolute expanded uncertainty
(2.5E-06pl)2 + (2.9E-05Dp)2]1/2, pl line pressure in Pa and Dp differential pressure in P

pl line pressure in Pa and Dp differential pressure in Pa

The uncertainty is expressed in kPa
Direct comparison with standard
Line pressure : 0.1 MPa to 12 MPa
Approved on 12 October 2009
Institute service identifier : NPLI/12
Pressure , Absolute pressure: gas medium : 6.5 kPa to 360 kPa
Pressure measuring device
Absolute expanded uncertainty
(1.4E-01)2 + (12E-06p)2]1/2, p pressure in Pa

p pressure in Pa

The uncertainty is expressed in Pa
Direct comparison with standard
Gas species : Nitrogen
Gas purity : 99.9 % or better
Temperature : 23 °C
Approved on 12 October 2009
Institute service identifier : NPLI/28
Pressure , Gauge pressure: gas medium : 0.036 MPa to 4 MPa
Pressure measuring device, pressure balance
Absolute expanded uncertainty
22E-06p

p pressure in MPa

The uncertainty is expressed in MPa
Direct comparison with standard
Gas species : Nitrogen
Gas purity : 99.9 % or better
Temperature : 23 °C
Approved on 12 October 2009
Institute service identifier : NPLI/30
Pressure , Gauge pressure: gas medium : 12 MPa to 20 MPa
Pressure measuring device, pressure balance
Absolute expanded uncertainty
33E-06p

p pressure in MPa

The uncertainty is expressed in MPa
Direct comparison with standard
Gas species : Nitrogen
Gas purity : 99.9 % or better
Temperature : 23 °C
Approved on 12 October 2009
Institute service identifier : NPLI/32
Pressure , Gauge pressure: gas medium : 4 MPa to 8 MPa
Pressure measuring device, pressure balance
Absolute expanded uncertainty
26E-06p

p pressure in MPa

The uncertainty is expressed in MPa
Direct comparison with standard
Gas species : Nitrogen
Gas purity : 99.9 % or better
Temperature : 23 °C
Approved on 12 October 2009
Institute service identifier : NPLI/31
Pressure , Gauge pressure: liquid medium : 200 MPa to 500 MPa
Pressure measuring device, pressure balance
Absolute expanded uncertainty
135E-06p

p pressure in MPa

The uncertainty is expressed in MPa
Direct comparison with standard
Temperature : 23 °C
Approved on 12 October 2009
Institute service identifier : NPLI/11

Select Metrology Area

General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Photometry and Radiometry

Thermometry

Time and Frequency

Chemistry and Biology
Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.