Knurled ON/OFF knob for easy grip with or without gloves
Rotate knob for audible ON/OFF click
No set screw on knob, meaning knob won't strip out
Wide diaphragm design for precise flow control even as the cylinder pressure changes
Finer graduations for precise reading of cylinder contents
Stainless steel gauge
All wetted surfaces have proprietary passivated coating to ensure non-reaction with calibration gas
Wide choice of outlets and inlets available, Teltherm standard: 3/16" Barbed Outlet (as pictured)
Side outlet prevents tubing from kinking