| SERVICE | PRODUCT | DETERMINANT | TECHNIQUE | PROCEDURE | LIMITATION / RANGE |
DC and low frequency electrical metrology - Electrical instrument calibrators
| Instrument calibrators;
| Resistance;
| Direct measurement; | | zero to 10 GΩ
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CAPABILITY 10 μΩ/Ω + 25 μΩ up to 20 kΩ 15 μΩ/Ω from 20 kΩ to 200 kΩ 20 μΩ/Ω from 200 kΩ to 2 MΩ 30 μΩ/Ω from 2 MΩ to 20 MΩ 100 μΩ/Ω from 20 MΩ to 100 MΩ 0.2% from 100 MΩ to 10 GΩ
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| DC current;
| Direct measurement; | | zero to 10A
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CAPABILITY 0.05% + 0.1 pA from zero to 2 nA 0.02% + 0.6 pA from 2 nA to 20 nA 0.02% + 1 pA from 20 nA to 200 nA 0.02% + 10 pA from 200 nA to 2 μA 0.005% + 0.4 nA from 2 μA to 200 μA 0.005% + 2 nA from 200 μA to 2 mA 0.005% + 20 nA from 2 mA to 20 mA 0.005% + 0.2 μA from 20 mA to 200 mA 0.01% + 4 μA from 200 mA to 2 A 0.01% + 20 μA from 2 A to 10 A
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| AC current;
| Direct measurement; | | 10 μA to 10 A 10 Hz to 5 kHz
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CAPABILITY 0.02% from 10 μA to 200 μA and 10 Hz to 1 kHz 0.025% from 10 μA to 200 μA and 1 kHz to 5 kHz 0.02% from 200 μA to 2 A and 10 Hz to 20 Hz 0.015% from 200 μA to 2 A and 20 Hz to 1 kHz 0.02% from 200 μA to 200 mA and 1 kHz to 5 kHz 0.11% from 200 mA to 2 A and 1 kHz to 5 kHz 0.025% from 2 A to 10 A and 10 Hz to 1 kHz 0.05% from 2 A to 10 A and 1 kHz to 5 kHz
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| AC voltage;
| Direct measurement; | | 1 mV to 750 V 10 Hz to 1.0 MHz
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CAPABILITY 0.25% + 5.4 μV from 1 mV to 2 mV and 10 Hz to 50 kHz 0.4% + 5.4 μV from 1 mV to 2 mV and 50 kHz to 300 kHz 0.6% + 5.4 μV from 1 mV to 2 mV and 300 kHz to 500 kHz 1.8% + 5.4 μV from 1 mV to 2 mV and 500 kHz to 1.0 MHz 0.03% + 5.4 μV from 2 mV to 20 mV and 10 Hz to 30 kHz 0.05% + 5.4 μV from 2 mV to 20 mV and 30 kHz to 100 kHz 0.1% + 5.4 μV from 2 mV to 20 mV and 100 kHz to 300 kHz 0.2% +5.4 μV from 2 mV to 20 mV and 300 kHz to 500 kHz 0.55% + 5.4 μV from 2 mV to 20 mV and 500 kHz to 1.0 MHz 0.01% +5.4 μV from 20 mV to 200 mV and 10 Hz to 30 kHz 0.012% +5.4 μV from 20 mV to 200 mV and 30 kHz to 50 kHz 0.02% +5.4 μV from 20 mV to 200 mV and 50 kHz to 100 kHz 0.04% +5.4 μV from 20 mV to 200 mV and 100 kHz to 300 kHz 0.1% +5.4 μV from 20 mV to 200 mV and 300 kHz to 500 kHz 0.55% +5.4 μV from 20 mV to 200 mV and 500 kHz to 1.0 MHz 0.005% from 200 mV to 20 V and 10 Hz to 30 Hz 0.004% from 200 mV to 2 V and 30 Hz to 30 kHz 0.0025% from 2 V to 20 V and 30 Hz to 30 kHz 0.006% from 200 mV to 20 V and 30 kHz to 50 kHz 0.008% from 200 mV to 20 V and 50 kHz to 100 kHz 0.03% from 200 mV to 10 V and 100 kHz to 300 kHz 0.085% from 200 mV to 10 V and 300 kHz to 500 kHz 0.45% from 200 mV to 2 V and 500 kHz to 1.0 MHz 0.75% from 2 V to 10 V and 500 kHz to 1.0 MHz 0.005% from 20 V to 200 V and 10 Hz to 30 Hz 0.003% from 20 V to 200 V and 30 Hz to 30 kHz 0.005% from 20 V to 200 V and 30 kHz to 50 kHz 0.0075% from 20 V to 200 V and 50 kHz to 100 kHz 0.031% from 20 V to 100 V and 100 kHz to 200 kHz 0.0055% from 200 V to 1 kV and 40 Hz to 20 kHz 0.008% from 200 V to 1 kV and 20 kHz to 33 kHz 0.012% from 200 V to 700 V and 30 kHz to 100 kHz
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| DC voltage;
| Direct measurement; | | zero to 1 kV
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CAPABILITY 5 μV/V at 1 V and 10 V 10 μV/V + 0.25 μV from 0 to 1 kV
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DC and low frequency electrical metrology - Electrical measurement and test equipment
| Data recorders; Digital multimeters (DMM); Ohm meters;
| Resistance;
| Direct measurement against a reference standard; | | zero to 10 GΩ
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CAPABILITY 10 μΩ/Ω + 25 μΩ up to 20 kΩ 15 μΩ/Ω from 20 kΩ to 200 kΩ 20 μΩ/Ω from 200 kΩ to 2 MΩ 30 μΩ/Ω from 2 MΩ to 20 MΩ 100 μΩ/Ω from 20 MΩ to 100 MΩ 0.2% from 100 MΩ to 10 GΩ
|
| Data recorders; Digital multimeters (DMM); Voltmeters;
| AC voltage;
| Direct measurement against a reference standard; | | 1 mV to 1 kV 10 Hz to 1.0 MHz
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CAPABILITY 0.25% from 1 mV to 2 mV and 10 Hz to 50 kHz 0.4% from 1 mV to 2 mV and 50 kHz to 300 kHz 0.6% from 1 mV to 2 mV and 300 kHz to 500 kHz 1.8% from 1 mV to 2 mV and 500 kHz to 1.0 MHz 0.03% from 2 mV to 20 mV and 10 Hz to 30 kHz 0.05% from 2 mV to 20 mV and 30 kHz to 100 kHz 0.1% from 2 mV to 20 mV and 100 kHz to 300 kHz 0.2% from 2 mV to 20 mV and 300 kHz to 500 kHz 0.55% from 2 mV to 20 mV and 500 kHz to 1.0 MHz 0.01% from 20 mV to 200 mV and 10 Hz to 30 kHz 0.012% from 20 mV to 200 mV and 30 kHz to 50 kHz 0.02% from 20 mV to 200 mV and 50 kHz to 100 kHz 0.04% from 20 mV to 200 mV and 100 kHz to 300 kHz 0.1% from 20 mV to 200 mV and 300 kHz to 500 kHz 0.55% from 20 mV to 200 mV and 500 kHz to 1.0 MHz 0.005% from 200 mV to 20 V and 10 Hz to 30 Hz 0.004% from 200 mV to 2 V and 30 Hz to 30 kHz 0.0025% from 2 V to 20 V and 30 Hz to 30 kHz 0.006% from 200 mV to 20 V and 30 kHz to 50 kHz 0.008% from 200 mV to 20 V and 50 kHz to 100 kHz 0.03% from 200 mV to 20 V and 100 kHz to 300 kHz 0.085% from 200 mV to 20 V and 300 kHz to 500 kHz 0.45% from 200 mV to 2 V and 500 kHz to 1.0 MHz 0.75% from 2 V to 20 V and 500 kHz to 1.0 MHz 0.005% from 20 V to 200 V and 10 Hz to 30 Hz 0.003% from 20 V to 200 V and 30 Hz to 30 kHz 0.005% from 20 V to 200 V and 30 kHz to 50 kHz 0.0075% from 20 V to 200 V and 50 kHz to 100 kHz 0.031% from 20 V to 200 V and 100 kHz to 200 kHz 0.0055% from 200 V to 1 kV and 40 Hz to 20 kHz 0.008% from 200 V to 1 kV and 20 kHz to 33 kHz 0.012% from 200 V to 750 V and 30 kHz to 100 kHz
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| DC voltage;
| Direct measurement against a reference standard; | | zero to 1 kV
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CAPABILITY 5 μV/V at 1 V and 10 V 10 μV/V + 0.25 μV from zero to 1 kV
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| Ammeters; Data recorders; Digital multimeters (DMM);
| AC current;
| Direct measurement against a reference standard; | | 10 μA to 10 A 10 Hz to 5 kHz
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CAPABILITY 0.02% from 10 μA to 200 μA and 10 Hz to 1 kHz 0.025% from 10 μA to 200 μA and 1 kHz to 5 kHz 0.02% from 200 μA to 2 A and 10 Hz to 20 Hz 0.015% from 200 μA to 2 A and 20 Hz to 1 kHz 0.02% from 200 μA to 200 mA and 1 kHz to 5 kHz 0.11% from 200 mA to 2 A and 1 kHz to 5 kHz 0.025% from 2 A to 10 A and 10 Hz to 1 kHz 0.05% from 2 A to 10 A and 1 kHz to 5 kHz
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| DC current;
| Direct measurement against a reference standard; | | zero to 10 A
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CAPABILITY 0.05% + 0.1 pA from zero to 2 nA 0.02% + 0.6 pA from 2 nA to 20 nA 0.02% + 1 pA from 20 nA to 200 nA 0.02% + 10 pA from 200 nA to 2 μA 0.005% + 0.4 nA from 2 μA to 200 μA 0.005% + 2 nA from 200 μA to 2 mA 0.005% + 20 nA from 2 mA to 20 mA 0.005% + 0.2 μA from 20 mA to 200 mA 0.01% + 4 μA from 200 mA to 2 A 0.01% + 20 μA from 2 A to 10 A
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DC and low frequency electrical metrology - Electrical standards
| Conductance boxes; Precision resistors; Resistance boxes;
| Resistance;
| Direct measurement; | | zero to 10 GΩ
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CAPABILITY 10 μΩ/Ω + 25 μΩ up to 20 kΩ 15 μΩ/Ω from 20 kΩ to 200 kΩ 20 μΩ/Ω from 200 kΩ to 2 MΩ 30 μΩ/Ω from 2 MΩ to 20 MΩ 100 μΩ/Ω from 20 MΩ to 100 MΩ 0.2% from 100 MΩ to 10 GΩ
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Time and frequency metrology - Frequency and time standards
| Signal sources;
| Frequency;
| Measurement against reference standard; | | up to 25 GHz
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CAPABILITY 1 part in 108
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Time and frequency metrology - Frequency, time and waveform measuring equipment
| Counters; Frequency meters;
| Frequency;
| Measurement against reference standard; | | |
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CAPABILITY 1 part in 108
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| Time interval meters;
| Time interval;
| Measurement against reference standard; | | 20 ms to 5 s
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CAPABILITY 0.3 ms
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