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26. EXAMPLES OF USE
26.1. Calibration of measurement instruments
The calibrator can be used for direct calibration of various instruments which measure electrical values. Opt.
140-01 cable adapter is recommended. The cable adapter includes a temperature sensor which allows the
measurement of external temperature. Measured value can be displayed by pressing INPUT button.
26.1.1. Multimeters
The calibrator can be used for calibration of digital and analogue multimeters (DCV, ACV, DCI, ACI, resistance,
capacitance, temperature, frequency and duty cycle.
Voltage ranges
Thanks to low output impedance and high output current, the calibrator can be used for calibration of analogue
voltmeters and milivoltmeters having low input impedance. Voltage output is connected to Hi/Lo terminals. The
calibrator does not allow the four-wire connection of the instrument to be calibrated.
It is not recommended to connect non-standard load to the voltage output. The calibrator is designed to be
used for calibration of voltmeters. Output terminals should be loaded with high and real impedance. Although
the output is fitted with fast electronic and microprocessor protection, high capacitance or inductance loads
can lead to oscillations of output amplifiers and result in damage.
The instrument to be calibrated can be connected either directly to the front panel terminals, or through
Opt.140-01 cable adapter. If L terminal of the instrument to be calibrated is not grounded, then calibrator’s Lo
terminal should be grounded (GND U ON, see „Setup menu“ chapter).
Connection of a multimeter to be calibrated (voltage range) to calibrator’s output terminals
Truncated waveform with defined distortion can be used for testing of multimeters
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