| SERVICE | PRODUCT | DETERMINANT | TECHNIQUE | PROCEDURE | LIMITATION / RANGE |
DC and low frequency electrical metrology - Electrical standards
| Current shunts;
| Resistance;
| Comparison with a reference standard;
| | 10 μΩ to 1 mΩ
|
|
CAPABILITY
With Calibration and Measurement Capability of -
| Relative Expanded Uncertainty / (μΩ/Ω) | Current | Standard | | 10 μΩ to <100 μΩ | 200 to 20 | 100 A to 2000 A | DC Shunts | | 100 μΩ to 1 mΩ | 20 to 10 | 100 A to 2000 A | DC Shunts |
|
| Conductance boxes; Precision resistors; Resistance boxes;
| Resistance;
| Comparison with a primary realisation; Comparison with a reference standard;
| | from 10 μΩ to 100 TΩ
|
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CAPABILITY
With Calibration and Measurement Capability of -
| Decade Value | Relative Expanded Uncertainty / (μΩ/Ω) | Typical Current / Voltage | Standard | | 10 μΩ | 10 | 32 A | Standard Resistors | | >10 μΩ to <100 μΩ | 20 | 10 A to 32 A | Standard Resistors
| 100 μΩ
| 2 | 10 A | Standard Resistors
| >100 μΩ to <1 mΩ
| 2 | 3.2 A to 10 A | Standard Resistors
| | 1 mΩ | 1.5 | 3.2 A | Standard Resistors
| >1 mΩ to <10 mΩ
| 2 | 1 A to 3.2 A | Standard Resistors
| | 10 mΩ | 1 | 1 A | Standard Resistors
| >10 mΩ to <100 mΩ
| 1 | 320 mA to 1 A | Standard Resistors
| | 100 mΩ | 0.3 | 320 mA | Standard Resistors
| >100 mΩ to <1 Ω
| 1 | 100 mA to 320 mA | Standard Resistors
| | 1 Ω | 0.15 | 100 mA | Standard Resistors
| >1 Ω to <10 Ω
| 0.3 | 32 mA to 100 mA | Standard Resistors
| 10 Ω
| 0.15 | 32 mA | Standard Resistors
| >10 Ω to <100 Ω
| 0.3 | 10 mA to 32 mA | Standard Resistors
| 100 Ω
| 0.15 | 10 mA | Standard Resistors
| >100 Ω to <1 kΩ
| 0.3 | 3.2 mA to 10 mA | Standard Resistors
| 1 kΩ
| 0.15 | 3.2 mA | Standard Resistors
| >1 kΩ to <10 kΩ
| 0.3 | 1 mA to 3.2 mA | Standard Resistors
| 10 kΩ
| 0.15 | 1 mA | Standard Resistors
| | >10 kΩ to 1 MΩ | 1 | 0.1 mA to 1 mA | Standard Resistors
| >1 MΩ to <10 MΩ
| 2 | 10 V to 100 V | Standard Resistors
| | 10 MΩ | 1 | 10 V to 100 V | Standard Resistors
| >10 MΩ to <100 MΩ
| 2 | 10 V to 100 V
| Standard Resistors
| 10 MΩ to 100 MΩ
| 300 | >100 V to 1000 V
| Standard Resistors
| | 100 MΩ | 2 | 50 V to 100 V | Standard Resistors
| 100 MΩ to 1 GΩ
| 500 | >100 V to 1000 V
| Standard Resistors
| 1 GΩ
| 5
| 100 V
| Standard Resistors
| >1 GΩ to 100 GΩ
| 1000 | 100 V to 1000 V
| Standard Resistors
| >100 GΩ to <1 TΩ
| 3000 | 100 V to 1000 V
| Standard Resistors
| 1 TΩ
| 2000
| 100 V to 1000 V
| Standard Resistors
| >1 TΩ to 10 TΩ
| 3000
| 100 V to 1000 V
| Standard Resistors
| >10 TΩ to 100 TΩ
| 30000
| 100 V to 1000 V
| Standard Resistors
|
|
| Inductors;
| Inductance;
| Comparison with a primary realisation; Comparison with a reference standard;
| | from 10 μH to 11 H
|
|
CAPABILITY
With Calibration and Measurement Capability of -
Self inductors at 1000 Hz
5 nH from 10 μH to 1 mH
5 μH/H from 1 mH to 1.1 H
30 μH/H from 1.1 to 11 H
|
| Precision capacitors;
| Capacitance;
| Comparison with a primary realisation; Comparison with a reference standard;
| | from 10 pF to 1 μF
|
|
CAPABILITY
With Calibration and Measurement Capability of -
|
| Relative Expanded Uncertainty / (μF/F) |
|
| 1000 Hz, 1592 Hz | 400 Hz to 5000 Hz | | 10 pF to 100 pF | Fused-silica Standard Capacitor | 0.08 | - | | 100 pF to 10000 pF | Standard Capacitor, Gas Dielectric | 0.1 | - | | 1 pF to 1000 pF | Standard Capacitor, Gas Dielectric
| - | 2 | | 1 nF to 10 nF | Standard Capacitor
| - | 20 | 10 nF to 1 μF
| Standard Capacitor
| - | 200 |
|
| Inductive voltage dividers; Voltage ratio boxes;
| Voltage ratio;
| Comparison with a primary realisation; Comparison with a reference standard;
| | from 40 Hz to 63 Hz with input voltages from 100 V to 1000 V
from 400 Hz to 1 kHz with input voltages from 100 V to 1000 V
from 50 Hz to 5 kHz with input voltages from 5 V to 50 V |
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CAPABILITY
With Calibration and Measurement Capability of -
| Expanded Uncertainty / (nV/V) |
| 5 V to 50 V | 100 V to 1000 V | | 40 Hz to 50 Hz | - | 1 | | 50 Hz to 63 Hz | 10 | 1 | | 63 Hz to 400 Hz | 10 | - | | 400 Hz to 1 kHz | 10 | 10 | | 1 kHz to 5 kHz | 10 | - |
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