3 PHYSICAL
DESCRIPTION
The
CL551
portable temperature calibrator consists of two modules mechanically and electrically interconnected.
The module on the left incorporates the heater, the thermal equalizing metal block, the resistance temperature sensor
and a modulated air blower.
The module on the right is endowed with an alphanumeric dot matrix LCD display with a backlight device, a
microcontroller mother board with all base functions, an operator keyboard, a power package.
The portable temperature calibrator is supplied in an aluminum case with cover and carrying handle to assure easy
transportation and better protection of the instrument against mechanical knocks or scratches.
8