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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] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Russian Federation, SNIIM (Siberian Scientific Research Institute for Metrology, Rosstandart)
Radio frequency measurements , Scattering parameters: transmission coefficient (Sij) in coaxials, real and imaginary : -1 to 1
Passive device
Absolute expanded uncertainty : 3.0E-3
Network analyserr with RF substitution
Frequency range : 100 MHz to 3 GHz
Connector type : type VIII
Impedance : 75 Ω
Type of connector under the Russian national standard 13317
Approved on 21 October 2001
Institute service identifier : SNIIM/340
Radio frequency measurements , Lumped impedance: admittance: Q-factor for objects of inductive nature : 1 to 100
Q-standard: two- and four-terminal connection
Relative expanded uncertainty : 5.0E-3 to 2.0E-2
Transformer bridge
Frequency of 1-3-10 sequence : 1 kHz to 100 kHz
Approved on 21 October 2001
Institute service identifier : SNIIM/409
Radio frequency measurements , Scattering parameters: reflection coefficient (Sii) in coaxials, real and imaginary : -1 to 1
Passive one- and two-port device
Absolute expanded uncertainty : 3.0E-3
Network analyserr with RF substitution
Frequency range : 100 MHz to 18 GHz
Connector type : type-N, type III (7mm)
Impedance : 50 Ω
Type III (7 mm) of connector under the Russian national standard 13317
Approved on 21 October 2001
Institute service identifier : SNIIM/316
Radio frequency measurements , Lumped impedance: admittance: inductance : 3 µH to 20 µH
Fixed inductor, 1-2-3-5 sequence, two and four terminal connection
Relative expanded uncertainty : 1.0E-3 to 1.5E-3
HF inductance comparator
Frequency : 3 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/399
Radio frequency measurements , Lumped impedance: admittance: capacitance : 50 pF to 200 pF
Standard capacitor
Relative expanded uncertainty : 3.0E-4 to 6.0E-4
Direct comparison with reference standard
Frequency : 1 MHz to 10 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/405
Radio frequency measurements , Scattering parameters: reflection coefficient (Sii) in coaxials, real and imaginary : -1 to 1
Passive one- and two-port device
Absolute expanded uncertainty : 4.0E-3
Network analyserr with RF substitution
Frequency range : 100 kHz to 100 MHz
Connector type : PC-3.5
Impedance : 50 Ω
Approved on 21 October 2001
Institute service identifier : SNIIM/304
Measurements on materials , Dielectric properties: loss tangent : 1.00E-5 to 0.01
Solid material
Relative expanded uncertainty
0.1 + 5E-06/tanδ
Circular waveguide and network analyserr
Frequency : 1 GHz to 18 GHz
Approved on 21 October 2001
Institute service identifier : SNIIM/426
Measurements on materials , Dielectric properties: loss tangent : 1.00E-4 to 0.1
Solid material
Relative expanded uncertainty
0.1 + 1E-05/tanδ
Two terminal resonant cell and network analyserr
Frequency : 1 MHz to 80 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/430
Radio frequency measurements , Lumped impedance: admittance: capacitance : 1 pF to 5 pF
Standard capacitor
Relative expanded uncertainty : 1.0E-3 to 2.0E-3
Direct comparison with reference standard
Frequency : 1 MHz to 100 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/402
Measurements on materials , Dielectric properties: relative permittivity, real component : 1.2 to 20
Solid material
Relative expanded uncertainty : 5.0E-3 to 1.0E-2
Coaxial resonator of variable length and network analyserr
Frequency : 0.2 GHz to 1 GHz
Approved on 21 October 2001
Institute service identifier : SNIIM/416
Radio frequency measurements , Lumped impedance: admittance: capacitance : 50 pF to 200 pF
Standard capacitor
Relative expanded uncertainty : 1.0E-3 to 2.0E-3
Direct comparison with reference standard
Frequency : 30 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/406
Radio frequency measurements , Scattering parameters: reflection coefficient (Sii) in coaxials, real and imaginary : -1 to 1
Passive one- and two-port device
Absolute expanded uncertainty : 4.0E-3
Network analyserr with RF substitution
Frequency range : 100 MHz to 26 GHz
Connector type : PC-3.5
Impedance : 50 Ω
Approved on 21 October 2001
Institute service identifier : SNIIM/318
Radio frequency measurements , Lumped impedance: admittance: capacitance : 10 pF to 30 pF
Standard capacitor
Relative expanded uncertainty : 5.0E-4 to 2.0E-3
Direct comparison with reference standard
Frequency : 30 MHz to 100 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/404
Radio frequency measurements , Scattering parameters: transmission coefficient (Sij) in coaxials, real and imaginary : -1 to 1
Passive device
Absolute expanded uncertainty : 2.0E-3
Network analyserr with RF substitution
Frequency range : 100 MHz to 8 GHz
Connector type : PC-14
Impedance : 50 Ω
Approved on 21 October 2001
Institute service identifier : SNIIM/334
Radio frequency measurements , Lumped impedance: admittance: capacitance : 1000 pF to 2000 pF
Standard capacitor
Relative expanded uncertainty : 1.0E-3
Direct comparison with reference standard
Frequency : 1 MHz to 3 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/400
Radio frequency measurements , Scattering parameters: reflection coefficient (Sii) in coaxials, real and imaginary : -1 to 1
Passive one- and two-port device
Absolute expanded uncertainty : 2.0E-3
Network analyserr with RF substitution
Frequency range : 100 MHz to 8 GHz
Connector type : PC-14
Impedance : 50 Ω
Approved on 21 October 2001
Institute service identifier : SNIIM/314
Measurements on materials , Dielectric properties: relative permittivity, real component : 2 to 30
Solid material (films with thickness of 0.02 mm to 2 mm)
Relative expanded uncertainty : 1.0E-2 to 5.0E-2
Toroidal resonator with lumped capacitance
Frequency : 0.2 GHz to 2 GHz
Approved on 21 October 2001
Institute service identifier : SNIIM/417
Radio frequency measurements , Scattering parameters: reflection coefficient (Sii) in coaxials, real and imaginary : -1 to 1
Passive one- and two-port device
Absolute expanded uncertainty : 3.0E-3
Network analyserr with RF substitution
Frequency range : 100 kHz to 100 MHz
Connector type : PC-14, type-N, type II (16 mm), type VIII (16 mm), type III (7 mm)
Impedance : 50 Ω
Types of connectors II (16 mm), VIII (16 mm) and III (7 mm) under the Russian national standard 13317
Approved on 21 October 2001
Institute service identifier : SNIIM/300
Radio frequency measurements , Scattering parameters: transmission coefficient (Sij) in coaxials, real and imaginary : -1 to 1
Passive device
Absolute expanded uncertainty : 3.0E-3
Network analyserr with RF substitution
Frequency range : 100 MHz to 18 GHz
Connector type : type-N, type III (7 mm)
Impedance : 50 Ω
Type III (7 mm) of connector under the Russian national standard 13317
Approved on 21 October 2001
Institute service identifier : SNIIM/336
Measurements on materials , Soft magnetic bulk material: permeability : 1.5 to 100
Ring, cylinder samples
Relative expanded uncertainty : 1.0E-2 to 3.0E-2
Two terminal coaxial cell and T-bridge
Frequency range : 1 MHz to 200 MHz
Approved on 21 October 2001
Institute service identifier : SNIIM/434

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