The
wein’s bridge is used to measure the unknown value of capacity.
AC Source: The Bridge consist of sine wave
signal of 1KHZ. The Amplitude of AC switch indicating lamp is provided on the
bakelite board. Two sockets are provided for the output of AC signals.
Detector: For detecting small AC signals in
the output, Null Detector is in-built with digital display (optional - sometime
digital null detector is replaced by small speaker).
Circuit Diagram: The circuit layout on the
board is quite spread out to facilitate convenient working & clear
understanding. 4mm socket are provided for making connection.
Unknown value: Five unknown values are
provided on the panel selected by a Rotary Switch.
R2: Two decade dial of x10, and x 100 are
provided on the panel.
R1, R3 and R4: Decade dial of x100 is provided
on the panel.
