previous <<==>> next
» INKAVI «
INDUCTANCE / CAPACITANCE BRIDGE
( A Precision Measurement Device )
INDUCTANCE / CAPACITANCE MEASUREMENT BRIDGE H&B 2554174 » INKAVI «
*****************************************************************************
HARTMANN & BRAUN AG, Frankfurt am Main / Germany (1960)
A CHOPPER converts the battery's 4.5 VDC into a 1400 Hz frequency 6 Vpp tone.
The value of a capacitor ( in "nF/μF" - or of a coil in "H/mH" ) is found in
the volume-dip of the tone, listened with headphones ...
R E M A R K :
-----------------------------------------------------------------------------
On the back side is a "Special Plug": A PHOTO FLASH-LIGHT CABEL can be used
and modified with an EARPHONE-PLUG - a more compact alternative ...
|
