I. General
The RAGU 81D digital multimeter,
equipped with the LCD display of text height
18.9mm, is a 3 3/4 digital multimeter which
has 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 to 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
