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DIGITAL MULTIMETER
OPERATION MANUAL
VR-81D
I. General
This is equipped with the LCD display
of text height 18.9mm, is a 3 3/4 digital
multimeter which has the merits of clear
reading, stable performance and
high
reliability.
It could be used to measure DC voltage,
AC voltage, DC current, AC current,
resistance, temperature, capacity, frequency /
duty cycle, diode and make on-and-off test.
Meanwhile, it is available for unit symbol
display, automatic/manual range switching,
automatic power off and alarm function. The
complete machine takes an integrated circuit
which can directly drive LCD 8-bit
microprocessor and double-integrating A/D
