Panametrics DigitalFlow DF868 Ultrasonic Flow Meter

Features
Up to 3in (76.2mm) pipe wall thickness
±40ft/s (±12.2m/s) bidirectional range
-4 to 131°F (-20 to 55°C) operating temp
±0.1% to 0.3% of reading repeatability
Totalized flow and trend data
Two-channel / two-path version available
Energy measurement option
Large backlit LCD display
NIST calibration available (see accessories)
Hazadous area certification