Unbranded Static Spring Barton Pressure Recorders 1000 PSI Tested Works well

Unbranded Static Spring Barton Pressure Recorders 1500 PSI Tested Works well

Linkage for Barton Chart Recorder

ITT Barton Static Pressure Element 1000psi BC17SL

Universal Chart Recorder Pen Compatible With Most Circular Recorders 0.37” Red

HECO ITT Barton Static Pressure Element 1000psi BC17SL

Barton Static Spring 2500 PSI tested works well

Abbott Tachograph 7D-MPH CHARTS (100 Pack) for ATROL II Activity Recorders