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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a² + b²]^1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)

Malaysia, NMIM (National Metrology Institute of Malaysia)

Matrix or material	Analyte or component	Dissemination range of measurement capability		Range of certified values in reference materials
Matrix or material	Analyte or component	Mass fraction in mg/g	Relative expanded uncertainty in %	Mass fraction in kg/kg	Absolute expanded uncertainty in kg/kg
aqueous solution	ethanol	0.5 to 5	5.4 to 3

Mechanism for measurement service delivery : Calibration service and Value assignment services
Approved on 26 June 2025
Institute service identifier : MyRM-1.016a
CMC ID : APMP-QM-MY-00000QB4-1

Matrix or material	Analyte or component	Dissemination range of measurement capability		Range of certified values in reference materials
Matrix or material	Analyte or component	Amount of substance fraction in µmol/mol	Relative expanded uncertainty in %	Amount of substance fraction in %	Absolute expanded uncertainty in %
nitrogen	methane	10.51 to 5.00E5	0.53

Mechanism for measurement service delivery : Calibration service and reference measurement service
Approved on 23 July 2025
Institute service identifier : MyReM-2.011a
CMC ID : APMP-QM-MY-00000QB5-1

Pressure , Absolute pressure: gas medium : 175 kPa to 700 kPa

Pressure measuring device, pressure balance

Relative expanded uncertainty : 3.5E-5

Direct comparison with standard, cross-float

Approved on 21 October 2001

Institute service identifier : NMIM/9

CMC ID : APMP-M-MY-0000081P-1

Pressure , Gauge pressure: gas medium : 175 kPa to 700 kPa

Pressure measuring device, pressure balance

Relative expanded uncertainty : 3.5E-5

Direct comparison with standard, cross-float

Approved on 21 October 2001

Institute service identifier : NMIM/12

CMC ID : APMP-M-MY-0000081S-1

Mass , Mass : 2000 g to 1.00E4 g

Mass standard

Absolute expanded uncertainty : 3.3E2 µg to 1.6E3 µg

Comparison in air

Approved on 21 October 2001

Institute service identifier : NMIM/6

CMC ID : APMP-M-MY-0000081M-1

Mass , Mass : 200 g to 500 g

Mass standard

Absolute expanded uncertainty : 3.5E1 µg to 7.5E1 µg

Comparison in air

Approved on 21 October 2001

Institute service identifier : NMIM/4

CMC ID : APMP-M-MY-0000081K-1

Photometry , Illuminance : 10 lx to 1000 lx

Tungsten lamp

Relative expanded uncertainty : 0.9 %

Photometric bench and reference lamps/photometer

Correlated colour temperature : 2500 K to 3000 K

Approved on 27 September 2004

CMC ID : APMP-PR-MY-0000082Y-1

Measurement microphones , Pressure sensitivity level

Measurement microphone type LS1P

Absolute expanded uncertainty : 0.15 dB

IEC 61094-2:1992

Frequency : 10 kHz

Approved on 21 October 2001

CMC ID : APMP-AUV-MY-00000835-1

Fibre optics , Responsivity

Fiber optic power meter

Relative expanded uncertainty : 2 %

Comparison with reference power meter

Wavelength : 1550 nm

Bandwidth : < 1 nm

Approved on 27 September 2004

CMC ID : APMP-PR-MY-00000830-1

AC voltage (up to the MHz range) , AC voltage up to 1000 V: sources : 0.5 V to 1000 V

Multifunction calibrator

Relative expanded uncertainty : 7 µV/V to 5.3E1 µV/V

Uncertainty table

The expanded uncertainties given in this table are expressed in µV/V

AC/DC transfer

Frequency : 10 Hz to 1 MHz

Approved on 10 November 2014

Institute service identifier : NMIM/5.2.1

CMC ID : APMP-EM-MY-0000082D-1

DC resistance , DC resistance sources: low values : 1.00E-3 Ω to 1 Ω

Standard resistor

Relative expanded uncertainty : 0.3 µΩ/Ω to 5 µΩ/Ω

Uncertainty table

{"row_1":{"col_1":"","col_2":"******** Method ********","col_3":"******** Standard ********","col_4":"Relative expanded uncertainty / (µΩ/Ω)"},"row_2":{"col_1":"0.001 Ω","col_2":"DCC bridge with current extender","col_3":"1 Ω standard resistor","col_4":"5"},"row_3":{"col_1":"0.01 Ω","col_2":"DCC bridge with current extender","col_3":"1 Ω standard resistor","col_4":"5"},"row_4":{"col_1":"0.1 Ω","col_2":"DCC bridge with current extender","col_3":"1 Ω standard resistor","col_4":"4"},"row_5":{"col_1":"1 Ω","col_2":"DCC bridge","col_3":"1 Ω Thomas-type standards","col_4":"0.3"},"row_6":{"col_1":"10 Ω","col_2":"DCC bridge and Hamon devices","col_3":"10 Ω standard resistor","col_4":"0.3"},"row_7":{"col_1":"100 Ω","col_2":"DCC bridge and Hamon devices","col_3":"100 Ω standard resistor","col_4":"0.3"},"row_8":{"col_1":"1 kΩ","col_2":"DCC bridge and Hamon devices","col_3":"1 kΩ standard resistor","col_4":"3"},"row_9":{"col_1":"10 kΩ","col_2":"DCC bridge and Hamon devices","col_3":"10 kΩ standard resistor","col_4":"3"},"row_10":{"col_1":"100 kΩ","col_2":"DCC bridge and Hamon devices","col_3":"100 kΩ standard resistor","col_4":"3"},"row_11":{"col_1":"1 MΩ","col_2":"DCC bridge and Hamon devices","col_3":"1 MΩ standard resistor","col_4":"4"},"row_12":{"col_1":"10 MΩ","col_2":"DCC bridge and Hamon devices","col_3":"10 MΩ standard resistor","col_4":"5"},"row_13":{"col_1":"100 MΩ","col_2":"Modified Wheatstone bridge","col_3":"10 MΩ standard resistor, 10 V Zener standard","col_4":"9"},"row_14":{"col_1":"1 GΩ","col_2":"Modified Wheatstone bridge","col_3":"100 MΩ standard resistor, 10 V Zener standard","col_4":"17"},"row_15":{"col_1":"10 GΩ","col_2":"Modified Wheatstone bridge","col_3":"1 GΩ standard resistor, 10 V Zener standard","col_4":"25"},"row_16":{"col_1":"100 GΩ","col_2":"Modified Wheatstone bridge","col_3":"10 GΩ standard resistor, 10 V Zener standard","col_4":"36"},"row_17":{"col_1":"1 TΩ","col_2":"Modified Wheatstone bridge","col_3":"100 GΩ standard resistor, 10 V Zener standard","col_4":"585"},"row_18":{"col_1":"0.001 Ω","col_2":"DC shunt/ DCC bridge","col_3":"1 Ω standard resistor","col_4":"5"},"row_19":{"col_1":"0.01 Ω","col_2":"DC shunt/ DCC bridge","col_3":"1 Ω standard resistor","col_4":"5"},"row_20":{"col_1":"0.1 Ω","col_2":"DC shunt/ DCC bridge","col_3":"1 Ω standard resistor","col_4":"4"},"row_21":{"col_1":"1 Ω","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"1 Ω standard resistor","col_4":"1"},"row_22":{"col_1":"10 Ω","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"10 Ω standard resistor","col_4":"10"},"row_23":{"col_1":"100 Ω","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"100 Ω standard resistor","col_4":"7"},"row_24":{"col_1":"1 kΩ","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"1 kΩ standard resistor","col_4":"5"},"row_25":{"col_1":"10 kΩ","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"10 kΩ standard resistor","col_4":"5"},"row_26":{"col_1":"100 kΩ","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"100 kΩ standard resistor","col_4":"8"},"row_27":{"col_1":"1 MΩ","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"1 MΩ standard resistor","col_4":"14"},"row_28":{"col_1":"10 MΩ","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"10 MΩ standard resistor","col_4":"24"},"row_29":{"col_1":"100 MΩ","col_2":"Transfer via Multifunction Transfer Standard (MTS)","col_3":"100 MΩ standard resistor","col_4":"198"}}

DCC bridge with current extender

Oil bath temperature : 25 °C

Approved on 10 November 2014

Institute service identifier : NMIM/2.1.1

CMC ID : APMP-EM-MY-00000823-1

DC resistance , DC resistance sources: standards for high current : 1.00E-3 Ω to 0.1 Ω

DC shunt

Relative expanded uncertainty : 4 µΩ/Ω to 5 µΩ/Ω

Uncertainty table

DCC bridge

Room temperature : 23 °C

Approved on 10 November 2014

Institute service identifier : NMIM/2.1.4

CMC ID : APMP-EM-MY-0000082Q-1

DC current (up to 100 A) , DC current sources: intermediate values : 1.00E-4 A to 20 A

Multifunction calibrator

Relative expanded uncertainty : 1.1E1 µA/A to 1.0E2 µA/A

Uncertainty table

{"row_1":{"col_1":"","col_2":"******** Standard ********","col_3":"******** Traceability ********","col_4":"Relative expanded uncertainty / (µA/A)"},"row_2":{"col_1":"0.1 mA to 1mA","col_2":"1 kΩ standard resistor in conjunction with a digital multimeter model HP 3458A","col_3":"Build-up process from 1 Ω standard resistor and hamon devices. 10 V standard is used for the digital multimeter","col_4":"11"},"row_3":{"col_1":"1 mA to 10 mA ","col_2":"100 Ω standard resistor in conjunction with a digital multimeter model HP 3458A","col_3":"Build-up process from 1 Ω standard resistor and hamon devices. 10 V standard is used for the digital multimeter","col_4":"11"},"row_4":{"col_1":"10 mA to 100 mA ","col_2":"10 Ω standard resistor in conjunction with a digital multimeter model HP 3458A","col_3":"Build-up process from 1 Ω standard resistor and hamon devices. 10 V standard is used for the digital multimeter","col_4":"11"},"row_5":{"col_1":"100 mA to 1000 mA ","col_2":"0.1 Ω standard resistor in conjunction with a digital multimeter model HP 3458A","col_3":"Build-down process from 1 Ω standard resistor and current extender. 10 V standard is used for the digital multimeter","col_4":"20"},"row_6":{"col_1":"1 A to 10 A ","col_2":"10 mΩ standard resistor in conjunction with a digital multimeter model HP 3458A","col_3":"Build-down process from 1 Ω standard resistor and current extender. 10 V standard is used for the digital multimeter","col_4":"21"},"row_7":{"col_1":"10 A to 20 A ","col_2":"5 mΩ current shunt in conjunction with a digital multimeter model HP 3458A ","col_3":"Build-down process from 1 Ω standard resistor and current extender. 10 V standard is used for the digital multimeter","col_4":"100"}}

Voltage drop across a resistor

Temperature : 23 °C

Approved on 10 November 2014

Institute service identifier : NMIM/3.1.2

CMC ID : APMP-EM-MY-00000825-1

DC voltage (up to 1100 V) , DC voltage sources: low values : 0.1 V to 10 V

DC voltage source, multifunction calibrator

Relative expanded uncertainty : 2 µV/V to 4 µV/V

Uncertainty table

{"row_1":{"col_1":"","col_2":"Relative expanded uncertainty / (µV/V)"},"row_2":{"col_1":"0.1 V to 1 V","col_2":"4"},"row_3":{"col_1":"1 V to 10 V","col_2":"2"}}

Voltage divider

Temperature : 23 °C

Approved on 10 November 2014

Institute service identifier : NMIM/1.1.2

CMC ID : APMP-EM-MY-00000821-1

Impedance (up to the MHz range) , Inductance: self inductance, intermediate values : 1 mH to 1000 mH

Fixed inductor, variable inductor, inductance box

Relative expanded uncertainty : 2.0E2 µH/H

Inductance meter, substitution method

Frequency : 1 kHz

Approved on 10 November 2014

Institute service identifier : NMIM/4.3.2

CMC ID : APMP-EM-MY-00000829-1

Impedance (up to the MHz range) , Inductance: self inductance, high values : 10 H

Fixed inductor, variable inductor, inductance box

Relative expanded uncertainty : 2.0E2 µH/H

Inductance meter, substitution method

Frequency : 1 kHz

Approved on 10 November 2014

Institute service identifier : NMIM/4.3.3

CMC ID : APMP-EM-MY-0000082A-1

Photometry , Luminous intensity : 100 cd to 1000 cd

Tungsten lamp

Relative expanded uncertainty : 0.7 %

Photometric bench and reference lamps/photometer

Correlated colour temperature : 2856 K to 3000 K

Approved on 27 September 2004

CMC ID : APMP-PR-MY-0000082W-1

Pressure , Gauge pressure: liquid medium : 50 MPa to 138 MPa

Pressure measuring device, pressure balance

Relative expanded uncertainty : 6.0E-5

Direct comparison with standard, cross-float, oil

Approved on 21 October 2001

Institute service identifier : NMIM/15

CMC ID : APMP-M-MY-0000081V-1

Items for disseminating ITS-90 and PLTS 2000 , Temperature : -50 °C to 0 °C

Temperature sensor with display unit

Absolute expanded uncertainty : 4.0E-2 °C

Comparison at liquid bath

Hysterisis not included Resistance Thermometer Sensor

Approved on 27 February 2018

CMC ID : APMP-T-MY-000009RZ-1

Items for defining ITS-90 , Temperature : 156.5985 °C

SPRT

Absolute expanded uncertainty : 3.4 mK

Indium freezing point cell

Sealed cell 3-zone furnaceModified on 09 February 2015

Approved on 28 June 2007

CMC ID : APMP-T-MY-000009RQ-1

Select Metrology Area

KCDB

CIPM MRA

CLASSIFICATION OF SERVICES