Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
CMC AREA
CMCs Chemistry (618)
CMCs General Physics (357)
CMCs Ionizing Radiation (214)
PHYSICS >
Radio frequency measurements
Temperature (67)
Dimensional metrology (34)
Sound in air (33)
Vibration (19)
Properties of detectors and sources (19)
DC voltage, current, and resistance (18)
AC voltage, current, and power (14)
Frequency (13)
Time interval (12)
Electric and magnetic fields (12)
High voltage and current (11)
Pressure (11)
IONIZING RADIATION >
Activity per unit mass (107)
Activity (43)
Surface emission rate (13)
Emission rate (9)
Surface emission rate per unit area (9)
Ambient dose equivalent rate (8)
Air kerma rate (4)
Activity per unit volume (4)
Personal dose equivalent rate (4)
Reference air kerma rate (2)
CHEMICAL MATERIAL >
nitrogen (207)
methane (45)
monoelemental aqueous solution (35)
dairy products (24)
helium (20)
CHEMICAL ANALYTE >
carbon monoxide (24)
carbon dioxide (21)
oxygen (20)
nitrogen (14)
lead (14)
GEOGRAPHIC LOCATION
APMP (1189)
Korea, Republic of (1189)
Result of the search
Your query 'kriss' produced more than 1000 results New search
1  2  3 [Next >>]

 
Korea, Republic of, KRISS (Korea Research Institute of Standards and Science)
Complete CMCs in Electricity and Magnetism for Korea, Republic of (.PDF file)
AC voltage ratio: attenuation and gain: real component. Inductive voltage divider, 0 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 2E-08
Comparison with reference divider
Maximum rms voltage: 25 V
Frequency: 1 kHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/5.3.1
 
AC voltage ratio: attenuation and gain: imaginary component. Inductive voltage divider, -0.001 to 0.001
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 5E-08
Comparison with reference divider
Maximum rms voltage: 25 V
Frequency: 1 kHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/5.3.1a
 
Magnetic fields below 50 kHz: DC magnetic flux density and applied magnetic field strength. Magnetometer, solenoid coil, Helmholtz coil, 0.05 mT to 1.2 mT
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in nT: 4
Helium-4 Atomic Magnetic Resonance (AMR), Helmholtz coil
Resonance frequency: 1 MHz to 50 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/10.2.2c
 
Magnetic fields below 50 kHz: DC shielding factor (ratio of DC magnetic flux density). Magnetic shell, shielding factor in DC field, 0 dB to 80 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 10
Helium-4 AMR, Cesium AMR, fluxgate magnetometer, non-magnetic facilities
Maximum field: 1 mT
Shell size: less than a sphere of 15 cm in diameter
Approved on 10 November 2014
Internal NMI service identifier: KRISS/10.2.4
 
Capacitance: dissipation factor for low loss capacitor. Fused-silica standard capacitor, 1E-06 to 1E-04
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 5E-06
Ratio transformer bridge
Frequency: 1 kHz
Capacitance: 10 pF
Approved on 10 November 2014
Internal NMI service identifier: KRISS/4.2.1b
Uncertainty table
 
Capacitance: dissipation factor for low loss capacitor. Standard capacitor, 1E-06 to 1E-04
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 1E-05
Ratio transformer bridge
Frequency: 1 kHz
Capacitance: 1 pF, 10 pF, 100 pF, 1000 pF
Approved on 10 November 2014
Internal NMI service identifier: KRISS/4.2.1c
Uncertainty table
 
Capacitance: dissipation factor for dielectric capacitor. Fixed capacitor, 1E-06 to 1E-04
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 5E-05
Ratio transformer bridge
Frequency: 1 kHz
Capacitance: 0.01 µF, 0.1 µF, 1 µF
Approved on 10 November 2014
Internal NMI service identifier: KRISS/4.2.2a
Uncertainty table
 
AC high voltage: ratio error. Voltage transformer, 0 to 0.002
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 35E-06 to 60E-06
Comparison with standard transformer
Voltage: 30 V to 33 kV
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.3.4a
Uncertainty table
 
AC high voltage: ratio error. Voltage transformer, 0 to 0.002
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 39E-06 to 48E-06
Comparison with standard transformer
Voltage: 55 kV to 200 kV
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.3.4b
Uncertainty table
 
DC voltage sources: low values. Multifunction calibrator, 1.00E-05 V to 10 V
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µV: 0.05 to 10
Comparison with resistively divided voltage
Approved on 10 November 2014
Internal NMI service identifier: KRISS/1.1.2
Uncertainty table
 
High AC current: ratio error. Current transformer, 0 to 0.002
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 26E-06 to 27E-06
Comparison with standard transformer
Current: 250 A to 20 kA
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.6.3c
Uncertainty table
 
High AC current: phase displacement. Current transformer, 0 min to 7 min
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in min: 0.09 to 0.10
Comparison with standard transformer
Current: 250 A to 20 kA
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.6.3d
Uncertainty table
 
AC high voltage: phase displacement. Voltage transformer, 0 min to 7 min
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in min: 0.14 to 0.29
Comparison with standard transformer
Voltage: 30 V to 33 kV
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.3.4c
Uncertainty table
 
AC high voltage: phase displacement. Voltage transformer, 0 min to 7 min
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in min: 0.15 to 0.16
Comparison with standard transformer
Voltage: 55 kV to 200 kV
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.3.4d
Uncertainty table
 
High AC current: ratio error. Current transformer, 0 to 0.002
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 28E-06 to 57E-06
Comparison with standard transformer
Current: 0.25 A to 5 kA
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.6.3a
Uncertainty table
 
High AC current: phase displacement. Current transformer, 0 min to 7 min
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in min: 0.10 to 0.76
Comparison with standard transformer
Current: 0.25 A to 5 kA
Frequency: 60 Hz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/8.6.3b
Uncertainty table
 
Inductance: self inductance and equivalent series resistance. Fixed inductor, 1.00E-04 H to 10 H
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µH/H: 5 to 100
Comparison, Maxwell-Wien bridge
Frequency: 1 kHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/4.3.1
Uncertainty table
 
AC/DC voltage transfer: AC/DC difference at lower voltage. Thermal voltage converter, 0.1 V to 0.5 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 5 to 30
Comparison
Frequency: 20 Hz to 1 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/5.1.1
Uncertainty table
 
AC/DC voltage transfer: AC/DC difference at medium voltage. Thermal voltage converter, 0.5 V to 5 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 3 to 30
Comparison
Frequency: 20 Hz to 1 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/5.1.2
Uncertainty table
 
AC/DC voltage transfer: AC/DC difference at higher voltage. Thermal voltage converter plus range extenders, 5 V to 1000 V
Relative expanded uncertainty (k = 2, level of confidence 95%) in µV/V: 5 to 50
Comparison
Frequency: 20 Hz to 1 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/5.1.3
Uncertainty table