Calibration Laboratory


  Devices   Range   Expanded uncertainty (k=2)   Method
  Multimeters
  Voltmeters
  Ampermeters
  Ohmmeters
  220 mV .. 1100 V DC   > (0.001 % + 5 µV)   Calibrator 5720A
  2.2 mV .. 1100 V AC (10 Hz .. 1 MHz)   > (0.008 % + 10 µV)
  1 Ω .. 100 MΩ   > (0.002 % + 50 µΩ)
  220 µA .. 2.2 A DC   > (0.001 % + 15 nA)
  220 µA .. 2.2 A AC (10 Hz .. 10 kHz)   > (0.02 % + 15 nA)
  Calibrators
  Resitors
  100 mV .. 1000 V DC   > (0.001 % + 5 µV)   Multimeter 1281
  100 mV .. 1100 V AC (10 Hz .. 1 MHz)   > (0.01 % + 10 µV)
  10 Ω .. 1 GΩ   > (0.002 % + 50 µΩ)
  100 µA .. 1 A DC   > (0.001 % + 15 nA)
  100 µA .. 1 A AC (10 Hz .. 5 kHz)   > (0.02 % + 15 nA)
  Power meters
  Energy meters
  (active, reactive)
  30 .. 500 V AC   > 0.01 %   AP Standards
  1 mA .. 250 A AC
  0 .. 360 - phase angle
  40 .. 75 Hz basic frequency
  Sub-harmonics and harmonics
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