DC and low frequency electrical metrology - Electrical instrument calibrators |
Instrument calibrators |
AC voltage; DC voltage |
Direct measurement against a reference standard |
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D.C. voltage From 1 mV to 30 kV A.C. voltage From 1 mV to 28 kV and at 10 Hz to 1 MHz |
Capability
with Calibration and Measurement Capability of - D.C. voltage 2.8 μV + 0.0013% of reading from 1 mV to 220 mV 22 μV + 0.001% of reading from 220 mV to 2.2 V 120 μV + 0.001% of reading from 2.2 V to 11 V 230 μV + 0.001% of reading from 11 V to 22 V 2.3 mV + 0.001% of reading from 22 V to 220 V 12 mV + 0.001% of reading from 220V to 1100V 0.5% of reading from 1 kV to 30 kV A.C. voltage 0.06% of reading from 1 mV to 2.2 mV at 1kHz 0.02% of reading from 10 mV to 22 mV and 10 Hz to 1 kHz 0.03% of reading from 10 mV to 22 mV and 1 kHz to 50 kHz 0.06% of reading from 10 mV to 22 mV and 50 kHz to 100 kHz 0.1% of reading from 10 mV to 22 mV and 100 kHz to 300 kHz 0.22% of reading from 10 mV to 22 mV and 300 kHz to 1 MHz 0.1% of reading from 22 mV to 220 mV and 10 Hz to 1 kHz 0.02% of reading from 22 mV to 220 mV and 1 kHz to 20 kHz 0.04% of reading from 22 mV to 220 mV and 20 kHz to 50 kHz 0.09% of reading from 22 mV to 220 mV and 50 kHz to 100 kHz 0.12% of reading from 22 mV to 220 mV and 100 kHz to 300 kHz 0.37% of reading from 22 mV to 220 mV and 300 kHz to 1 MHz 0.008% of reading from 220 mV to 2.2 V and 10 Hz to 1 kHz 0.008% of reading from 220 mV to 2.2 V and 1 kHz to 20 kHz 0.013% of reading from 220 mV to 2.2 V and 20 kHz to 50 kHz 0.03% of reading from 220 mV to 2.2 V and 50 kHz to 100 kHz 0.05% of reading from 220 mV to 2.2 V and 100 kHz to 300 kHz 0.25% of reading from 220 mV to 2.2 V and 300 kHz to 1 MHz 0.009% of reading from 2.2 V to 22 V and 10 Hz to 1 kHz 0.008% of reading from 2.2 V to 22 V and 1 kHz to 20 kHz 0.009% of reading from 2.2 V to 22 V and 20 kHz to 50 kHz 0.017% of reading from 2.2 V to 22 V and 50 kHz to 100 kHz 0.031% of reading from 2.2 V to 22 V and 100 kHz to 300 kHz 0.14% of reading from 2.2 V to 22 V and 300 kHz to 1 MHz 0.009% of reading from 22 V to 220 V and 10 Hz to 1 kHz 0.009% of reading from 22 V to 220 V and 1 kHz to 20 kHz 0.009% of reading from 22 V to 220 V and 20 kHz to 50 kHz 0.025% of reading from 22 V to 220 V and 50 kHz to 100 kHz 0.071% of reading from 22 V to 220 V and 100 kHz to 300 kHz 0.071% of reading from 22 V to 220 V and 300 kHz to 1 MHz 0.01% of reading from 220 V to1100 V and 10 Hz to 10 kHz 1.2% of reading from 1 kV to 28kV at 50 Hz |
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Resistance |
Direct measurement against a reference standard |
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From 1 mΩ to 1100 MΩ Portable appliance testers From 1 mΩ to 1100 MΩ |
Capability
with Calibration and Measurement Capability of - 0.01% of reading from 1mΩ to 1 Ω 0.015% of reading from 1 Ω to 10 Ω 0.016% of reading from 100 Ω to 1100 MΩ with a maximum applicable voltage of 14.3 V for portable appliance testers 0.1% of reading from 1 mΩ to 10 MΩ |
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AC current; AC voltage; DC current; DC voltage; Resistance |
Comparison with a reference standard |
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Capability
with Calibration and Measurement Capability of - D.C. voltage 2.8 μV + 0.0028% of readingfrom 1 mV to 220 mV 22 μV + 0.0013% of reading from 220 mV to 2.2 V 120 μV + 0.0012% of reading from 2.2 V to 11 V 230 μV + 0.0013% of reading from 11 V to 22 V 2.3 mV + 0.0013% of reading from 22 V to 220 V 12 mV + 0.003% of reading from 220 V to 1000 V 0.5% of reading from 1 kV to 30 kV A.C. voltage 0.062% of reading from 1 mV to 2.2 mV at 1kHz 0.022% of reading from 10 mV to 22 mV and 10 Hz to 1 kHz 0.032% of reading from 10 mV to 22 mV and 1 kHz to 50 kHz 0.065% of reading from 10 mV to 22 mV and 50 kHz to 100 kHz 0.15% of reading from 10 mV to 22 mV and 100 kHz to 300 kHz
0.102% of reading from 22 mV to 220 mV and 10 Hz to 1 kHz 0.022% of reading from 22 mV to 220 mV and 1 kHz to 20 kHz 0.042% of reading from 22 mV to 220 mV and 20 kHz to 50 kHz 0.095% of reading from 22 mV to 220 mV and 50 kHz to 100 kHz 0.125% of reading from 22 mV to 220 mV and 100 kHz to 300 kHz
0.010% of reading from 220 mV to 2.2 V and 10 Hz to 1 kHz 0.010% of reading from 220 mV to 2.2 V and 1 kHz to 20 kHz 0.015% of reading from 220 mV to 2.2 V and 20 kHz to 50 kHz 0.035% of reading from 220 mV to 2.2 V and 50 kHz to 100 kHz 0.055% of reading from 220 mV to 2.2 V and 100 kHz to 300 kHz
0.011% of reading from 2.2 V to 22 V and 10 Hz to 1 kHz 0.010% of reading from 2.2 V to 22 V and 1 kHz to 20 kHz 0.011% of reading from 2.2 V to 22 V and 20 kHz to 50 kHz 0.022% of reading from 2.2 V to 22 V and 50 kHz to 100 kHz 0.036% of reading from 2.2 V to 22 V and 100 kHz to 300 kHz
0.011% of reading from 22 V to 220 V and 10 Hz to 1 kHz 0.011% of reading from 22 V to 220 V and 1 kHz to 20 kHz 0.011% of reading from 22 V to 220 V and 20 kHz to 50 kHz 0.030% of reading from 22 V to 220 V and 50 kHz to 100 kHz 0.076% of reading from 22 V to 220 V and 100 kHz to 300 kHz
0.014% of reading from 220 V to 1000 V and 10 Hz to 10 kHz
1.2% of reading from 1 kV to 28kV at 50 Hz D.C. current 0.003 μA+ 0.007% of reading from 1 μA to 220 μA 0.4 μA + 0.007% of reading from 0.22 mA to 2.2 mA 1 μA + 0.009% of reading from 2.2 mA to 22 mA 17 μA + 0.008% of reading from 22 mA to 220 mA 0.4 mA + 0.019% of reading from 220 mA to 3 A 1 mA + 0.011% of reading from 2.2 A to 10 A 2.2 mA + 0.011% of reading from 10 A to 20 A A.C. current 0.012% of reading from 100μA to 220 μA and 10 Hz to 1 kHz 0.082% of reading from 100 μA to 220 μA and 1 kHz to 5 kHz 0.152% of reading from 100 μA to 220 μA and 5 kHz to 10 kHz
0.082% of reading from 220 μA to 2.2 mA and 10 Hz to 5 kHz 0.082% of reading from 220 μA to 2.2 mA and 5 kHz to 10 kHz
0.007% of reading from 2.2 mA to 22 mA and 10 Hz to 40 Hz 0.072% of reading from 2.2 mA to 22 mA and 40 Hz to 30 kHz
0.007% of reading from 22 mA to 220 mA and 10 Hz to 40 Hz 0.010% of reading from 22 mA to 220 mA and 40 Hz to 1 kHz 0.034% of reading from 22 mA to 220 mA and 1 kHz to 30 kHz
0.019% of reading from 220 mA to 2.2 A and 10 Hz to 40 Hz 0.020% of reading from 220 mA to 2.2 A and 45 Hz to 1 kHz 0.080% of reading from 220 mA to 2.2 A and 1 kHz to 5 kHz 0.402% of reading from 220 mA to 2.2 A and 5 kHz to 10 kHz
0.045% of reading from 2.2 A to 11 A and 45 Hz to 500 Hz 0.155% of reading from 2.2 A to 11 A and 500 Hz to 5 kHz
0.145% of reading from 11 A to 20 A and 45 Hz to 500 Hz 0.155% of reading from 11 A to 20 A and 500 Hz to 1 kHz Resistance
0.008%from 1 mΩ to 1 Ω 0.002% from 1 Ω to 10 Ω 0.016% from 10 Ω to 100kΩ 0.016% from 100 kΩ to 100 MΩ
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DC and low frequency electrical metrology - Electrical measurement and test equipment |
Ammeters |
AC current; DC current |
Direct measurement against a reference standard |
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D.C. ammeters From 1 μA to 1000 A A.C. ammeters From 100 μA to 1000 A and at 10 Hz to 30 kHz |
Capability
with Calibration and Measurement Capability of - D.C. ammeters 0.003 μA + 0.002% of reading from 1 μA to 220 μA 0.4 μA + 0.017% of reading from 0.22 mA to 2.2 mA 1 μA + 0.007% of reading from 2.2 mA to 22 mA 17 μA + 0.008% of reading from 22 mA to 220 mA 0.4 mA + 0.019% of reading from 220 mA to 2.2 A 1 mA + 0.009% of reading from 2.2 A to 11 A 2.2 mA + 0.011% of reading from 11 A to 20 A 0.34% of reading from 20 A to 1000 A A.C. ammeters 0.01% of reading from 100 μA to 220 μA and 10 Hz to 1 kHz 0.08% of reading from 100 μA to 220 μA and 1 kHz to 5 kHz 0.15% of reading from 100 μA to 220 μA and 5 kHz to 10 kHz 0.08% of reading from 220 μA to 2.2 mA and 10 Hz to 5 kHz 0.08% of reading from 220 μA to 2.2 mA and 5 kHz to 10 kHz 0.005% of reading from 2.2 mA to 22 mA and 10 Hz to 40 Hz 0.07% of reading from 2.2 mA to 22 mA and 40 Hz to 30 kHz 0.005% of reading from 22 mA to 220 mA and 10 Hz to 40 Hz 0.008% of reading from 22 mA to 220 mA and 40 Hz to 1 kHz 0.032% of reading from 22 mA to 220 mA and 1 kHz to 30 kHz 0.017% of reading from 220 mA to 2.2 A and 10 Hz to 40 Hz 0.018% of reading from 220 mA to 2.2 A and 45 Hz to 1 kHz 0.078% of reading from 220 mA to 2.2 A and 1 kHz to 5 kHz 0.4% of reading from 220 mA to 2.2 A and 5 kHz to 10 kHz 0.03% of reading from 2.2 A to 11 A and 45 Hz to 500 Hz 0.14% of reading from 2.2 A to 11 A and 500 Hz to 5 kHz 0.13% of reading from 11 A to 20 A and 45 Hz to 500 Hz 0.14% of reading from 11 A to 20 A and 500 Hz to 1 kHz for clamp-on meters using multiple turns 0.34% of reading from 20 to 1000 A and 10 Hz to 100 Hz |
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Ammeters; Digital multimeters (DMM); Ohm meters; Voltmeters |
AC current; AC voltage; DC current; DC voltage; Resistance |
Comparison with a reference standard |
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Capability
with Calibration and Measurement Capability of - D.C. voltage 2.8 μV + 0.0013% of reading from 1 mV to 220 mV 22 μV + 0.001% of reading from 220 mV to 2.2 V 120 μV + 0.001% of reading from 2.2 V to 11 V 230 μV + 0.001% of reading from 11 V to 22 V 2.3 mV + 0.001% of reading from 22 V to 220 V 12 mV + 0.001% of reading from 220V to 1100V 0.5% of reading from 1 kV to 30 kV A.C. voltage 0.06% of reading from 1 mV to 2.2 mV at 1kHz 0.02% of reading from 10 mV to 22 mV and 10 Hz to 1 kHz 0.03% of reading from 10 mV to 22 mV and 1 kHz to 50 kHz 0.06% of reading from 10 mV to 22 mV and 50 kHz to 100 kHz 0.1% of reading from 10 mV to 22 mV and 100 kHz to 300 kHz 0.22% of reading from 10 mV to 22 mV and 300 kHz to 1 MHz 0.1% of reading from 22 mV to 220 mV and 10 Hz to 1 kHz 0.02% of reading from 22 mV to 220 mV and 1 kHz to 20 kHz 0.04% of reading from 22 mV to 220 mV and 20 kHz to 50 kHz 0.09% of reading from 22 mV to 220 mV and 50 kHz to 100 kHz 0.12% of reading from 22 mV to 220 mV and 100 kHz to 300 kHz 0.37% of reading from 22 mV to 220 mV and 300 kHz to 1 MHz 0.008% of reading from 220 mV to 2.2 V and 10 Hz to 1 kHz 0.008% of reading from 220 mV to 2.2 V and 1 kHz to 20 kHz 0.013% of reading from 220 mV to 2.2 V and 20 kHz to 50 kHz 0.03% of reading from 220 mV to 2.2 V and 50 kHz to 100 kHz 0.05% of reading from 220 mV to 2.2 V and 100 kHz to 300 kHz 0.25% of reading from 220 mV to 2.2 V and 300 kHz to 1 MHz 0.009% of reading from 2.2 V to 22 V and 10 Hz to 1 kHz 0.008% of reading from 2.2 V to 22 V and 1 kHz to 20 kHz 0.009% of reading from 2.2 V to 22 V and 20 kHz to 50 kHz 0.017% of reading from 2.2 V to 22 V and 50 kHz to 100 kHz 0.031% of reading from 2.2 V to 22 V and 100 kHz to 300 kHz 0.14% of reading from 2.2 V to 22 V and 300 kHz to 1 MHz 0.009% of reading from 22 V to 220 V and 10 Hz to 1 kHz 0.009% of reading from 22 V to 220 V and 1 kHz to 20 kHz 0.009% of reading from 22 V to 220 V and 20 kHz to 50 kHz 0.025% of reading from 22 V to 220 V and 50 kHz to 100 kHz 0.071% of reading from 22 V to 220 V and 100 kHz to 300 kHz 0.071% of reading from 22 V to 220 V and 300 kHz to 1 MHz 0.01% of reading from 220 V to1100 V and 10 Hz to 10 kHz 1.2% of reading from 1 kV to 28kV at 50 Hz D.C. current 0.003 μA + 0.002% of reading from 1 μA to 220 μA 0.4 μA + 0.017% of reading from 0.22 mA to 2.2 mA 1 μA + 0.007% of reading from 2.2 mA to 22 mA 17 μA + 0.008% of reading from 22 mA to 220 mA 0.4 mA + 0.019% of reading from 220 mA to 2.2 A 1 mA + 0.009% of reading from 2.2 A to 11 A 2.2 mA + 0.011% of reading from 11 A to 20 A 0.34% of reading from 20 A to 1000 A A.C. current 0.01% of reading from 100 μA to 220 μA and 10 Hz to 1 kHz 0.08% of reading from 100 μA to 220 μA and 1 kHz to 5 kHz 0.15% of reading from 100 μA to 220 μA and 5 kHz to 10 kHz 0.08% of reading from 220 μA to 2.2 mA and 10 Hz to 5 kHz 0.08% of reading from 220 μA to 2.2 mA and 5 kHz to 10 kHz 0.005% of reading from 2.2 mA to 22 mA and 10 Hz to 40 Hz 0.07% of reading from 2.2 mA to 22 mA and 40 Hz to 30 kHz 0.005% of reading from 22 mA to 220 mA and 10 Hz to 40 Hz 0.008% of reading from 22 mA to 220 mA and 40 Hz to 1 kHz 0.032% of reading from 22 mA to 220 mA and 1 kHz to 30 kHz 0.017% of reading from 220 mA to 2.2 A and 10 Hz to 40 Hz 0.018% of reading from 220 mA to 2.2 A and 45 Hz to 1 kHz 0.078% of reading from 220 mA to 2.2 A and 1 kHz to 5 kHz 0.4% of reading from 220 mA to 2.2 A and 5 kHz to 10 kHz 0.03% of reading from 2.2 A to 11 A and 45 Hz to 500 Hz 0.14% of reading from 2.2 A to 11 A and 500 Hz to 5 kHz 0.13% of reading from 11 A to 20 A and 45 Hz to 500 Hz 0.14% of reading from 11 A to 20 A and 500 Hz to 1 kHz for clamp-on meters using multiple turns 0.34% of reading from 20 to 1000 A and 10 Hz to 100 Hz Resistance 0.01% of reading from 1mΩ to 1 Ω 0.015% of reading from 1 Ω to 10 Ω 0.016% of reading from 100 Ω to 1100 MΩ with a maximum applicable voltage of 14.3 V for portable appliance testers 0.1% of reading from 1 mΩ to 10 MΩ
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Insulation resistance test equipment |
Resistance |
Comparison with a reference standard |
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Capability
With Calibration and Measurement Capability of - 1.6% from 500 kΩ to 5 MΩ from 250 V to 500 V 3% from 500 kΩ to 5 MΩ from 501 V to 10000 V
0.8% from 5 MΩ to 50 MΩ from 250 V to 2000 V 1.3% from 5 MΩ to 50 MΩ from 2001 V to 10000 V
0.71% from 50 MΩ to 50 GΩ from 250 to 10000 V |
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Ohm meters |
Resistance |
Direct measurement against a reference standard |
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From 1 mΩ to 1100 MΩ |
Capability
with Calibration and Measurement Capability of - 0.01% of reading from 1mΩ to 1 Ω 0.015% of reading from 1 Ω to 10 Ω 0.016% of reading from 100 Ω to 1100 MΩ with a maximum applicable voltage of 14.3 V for portable appliance testers 0.1% of reading from 1 mΩ to 10 MΩ |
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Voltmeters |
AC voltage; DC voltage |
Direct measurement against a reference standard |
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D.C. voltmeters From 1 mV to 30 kV A.C voltmeters From 1 mV to 28 kV and at 1 Hz to 1 MHz |
Capability
with Calibration and Measurement Capability of - D.C. voltmeters 2.8 μV + 0.0013% of reading from 1 mV to 220 mV 22 μV + 0.001% of reading from 220 mV to 2.2 V 120 μV + 0.001% of reading from 2.2 V to 11 V 230 μV + 0.001% of reading from 11 V to 22 V 2.3 mV + 0.001% of reading from 22 V to 220 V 12 mV + 0.001% of reading from 220 V to 1100 V 0.5% of reading from 1 kV to 30 kV A.C. voltmeters 0.06% of reading from 1 mV to 2.2 mV at 1kHz 0.02% of reading from 10 mV to 22 mV and 10 Hz to 1 kHz 0.03% of reading from 10 mV to 22 mV and 1 kHz to 50 kHz 0.06% of reading from 10 mV to 22 mV and 50 kHz to 100 kHz 0.1% of reading from 10 mV to 22 mV and 100 kHz to 300 kHz 0.22% of reading from 10 mV to 22 mV and 300 kHz to 1 MHz 0.1% of reading from 22 mV to 220 mV and 10 Hz to 1 kHz 0.02% of reading from 22 mV to 220 mV and 1 kHz to 20 kHz 0.04% of reading from 22 mV to 220 mV and 20 kHz to 50 kHz 0.09% of reading from 22 mV to 220 mV and 50 kHz to 100 kHz 0.12% of reading from 22 mV to 220 mV and 100 kHz to 300 kHz 0.37% of reading from 22 mV to 220 mV and 300 kHz to 1 MHz 0.008% of reading from 220 mV to 2.2 V and 10 Hz to 1 kHz 0.008% of reading from 220 mV to 2.2 V and 1 kHz to 20 kHz 0.013% of reading from 220 mV to 2.2 V and 20 kHz to 50 kHz 0.03% of reading from 220 mV to 2.2 V and 50 kHz to 100 kHz 0.05% of reading from 220 mV to 2.2 V and 100 kHz to 300 kHz 0.25% of reading from 220 mV to 2.2 V and 300 kHz to 1 MHz 0.009% of reading from 2.2 V to 22 V and 10 Hz to 1 kHz 0.008% of reading from 2.2 V to 22 V and 1 kHz to 20 kHz 0.009% of reading from 2.2 V to 22 V and 20 kHz to 50 kHz 0.017% of reading from 2.2 V to 22 V and 50 kHz to 100 kHz 0.031% of reading from 2.2 V to 22 V and 100 kHz to 300 kHz 0.14% of reading from 2.2 V to 22 V and 300 kHz to 1 MHz 0.009% of reading from 22 V to 220 V and 10 Hz to 1 kHz 0.009% of reading from 22 V to 220 V and 1 kHz to 20 kHz 0.009% of reading from 22 V to 220 V and 20 kHz to 50 kHz 0.025% of reading from 22 V to 220 V and 50 kHz to 100 kHz 0.071% of reading from 22 V to 220 V and 100 kHz to 300 kHz 0.071% of reading from 22 V to 220 V and 300 kHz to 1 MHz 0.01% of reading from 220 V to1100 V and 10 Hz to 10 kHz 1.2% of reading from 1 kV to 28kV at 50 Hz |
DC and low frequency electrical metrology - Electrical standards |
Conductance boxes; Current shunts; Precision resistors; Resistance boxes |
Current; Resistance |
Direct measurement against a reference standard |
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Capability
with Calibration and Measurement Capability of - Resistance 0.008% of reading from 1 mΩ to 1 Ω 0.002% of reading from 1 Ω to 10 Ω 0.016% of reading from 10 Ω to 100kΩ 0.016% of reading from 100 kΩ to 1.1 GΩ Current
D.C. shunts 0.011% of reading A.C. shunts 0.13% of reading from 11 A to 20 A and 45 Hz to 500 Hz
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Current shunts |
Current |
Direct measurement against a reference standard |
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At maximum current of 20 A |
Capability
with Calibration and Measurement Capability of - D.C. shunts 0.011% of reading A.C. shunts 0.13% of reading from 11 A to 20 A and 45 Hz to 500 Hz |
Time and frequency metrology - Frequency, time and waveform measuring equipment |
Clocks and timers; Frequency meters; Stroboscopes; Tachometers; Time interval meters |
Frequency; Rotational speed; Time interval |
To be determined |
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Capability
with Calibration and Measurement Capability of - Frequency meters 1 in 107 from 1 Hz to 200 MHz Time interval meters Trip time for RCD/ELCB testers 0.3 ms from 1 ms to 100 ms 1.2 ms from 100 ms to 1000 ms Clocks and watches 0.25 s from 1 minute to 24 h Tachometers including mechanical attachment and strobe functionality tests 0.011 rpm from 1 rpm to 120 rpm 0.11 rpm from 120 rpm to 1100 rpm 1 rpm from 1100 rpm to 110000 rpm |