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| | | Mexico, CENAM (Centro Nacional de Metrologia) | | | Complete CMCs in Electricity and Magnetism for Mexico (.PDF file)
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| Capacitance: meters. Capacitance bridge, LCR meter (capacitance), 0.001 nF to 1000 nF | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µF/F: 0.5 to 40 | | Direct measurement | | Frequency: 1 kHz | | Voltage: 1 mV to 50 V | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-004B | | Uncertainty table |
| | | Inductance: self inductance, high values. Fixed inductor, 10 H | | Relative expanded uncertainty (k = 2, level of confidence 95%) in mH/H: 0.16 | | Substitution using an LCR meter | | Frequency: 1 kHz | | Current: 10 µA | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-010-06 |
| | | Capacitance: low loss capacitors. Standard capacitor (fused silica dielectric), 1 pF | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µF/F: 1 | | Comparison using a capacitance bridge based on inductive voltage dividers | | Frequency: 1 kHz | | Voltage: 50 V | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-001-01 |
| | | Capacitance: low loss capacitors. Standard capacitor (fused silica dielectric), 10 pF | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µF/F: 0.5 | | Comparison using a capacitance bridge based on inductive voltage dividers | | Frequency: 1 kHz | | Voltage: 50 V | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-001-02 |
| | | Capacitance: low loss capacitors. Standard capacitor (fused silica dielectric), 100 pF | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µF/F: 0.6 | | Comparison using a capacitance bridge based on inductive voltage dividers | | Frequency: 1 kHz | | Voltage: 50 V | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-001-03 |
| | | Capacitance: low loss capacitors. Standard capacitor (dry-nitrogen), 1 nF | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µF/F: 1.5 | | Substitution using an 8-digits capacitance meter | | Frequency: 1 kHz | | Voltage: 0.75 V | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-002-01 |
| | | Inductance: self inductance, low values. Fixed inductor, 100 µH | | Relative expanded uncertainty (k = 2, level of confidence 95%) in mH/H: 0.60 | | Substitution using an LCR meter | | Frequency: 1 kHz | | Current: 30 mA | | Approved on 28 April 2011 | | Internal NMI service identifier: CENAM/E009-010-01 |
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