Manual

ManualsBrandsVOLTCRAFT ManualsMultimetersVC-655 BT Bench multimeter Calibrated to (ISO standards) Digital CAT I 1000 V, CAT II 600 V Display (counts):

Table Of Contents

4

.

Measurement Tutorial

31

4. Measurement Tutorial

Loading Errors (DC Voltage)

Measurement loading errors occur when the resistance of the DUT(Device-Under-Test) is

an appreciable percentage of the multimeter's input resistance, as shown below.

V

s

= ideal DUT voltage

R

s

= DUT source resistance

R

i

= multimeter input resistance

Error

is

s

100 R

( )

RR

%







For the mV range, input impedance≥ 5 MΩ. For other range, input impedance≥10 MΩ.