Design Features

• constructed of inert materials: borosilicate glass, PTFE and PCTFE
• chemically inert wetted parts within mechanically rigid frame
• rib-guided or fluted metering tubes facilitate stable/accurate readings
• OPTIGRAD™ scales minimize parallax and eye fatigue
• simple means of panel mounting
• interchangeability of flowtubes and floats
• conveniently overlapping flow ranges available in both standard millimeter and direct reading scales.