Circular chart pressure register: analog (obsolited)

Circular chart pressure recorder.  It’s suitable to record pressure of liquids  during test  with  mechanic continual trace recorder.  The system of writing is made by cartridge with fiber pen.   Pressure ranges are:

• 0-160 bar
• 0-600 bar

1  round / hour.   Include 100 pce circular papers. Electrical  panel with transformer and switch to start/stop recording ,  Power supply 220V 50Hz.