General Purpose Meter/Controller
 MC102 Meter/Controller base
General purpose meter/controller model MC102, with balanced (XLR) sensor input.

The MC102 is essentially a programmable microcontroller-based (Motorola HCS12) portable meter,
with a multi-line display (with EL-backlight), user input/selection buttons, internal battery (with
external jack), a serial port for communication with a PC, and a reconfigurable signal and power
interface intended for use with external sensors.