Rosemount 485 Annubar Primary Element

Built with a patented design, the Rosemount 485 Annubar Primary Element is an averaging pitot tube that delivers reliable measurement accuracy over a wide flow range. This sensor maintains a small profile in the pipe to reduce permanent pressure loss and increase energy savings. This T-shaped sensor is capable of temperature, pressure and flow measurements via a single pipe penetration.

Max. Operating Pressure	ANSI B16.5 2500#
Process Temperature Range	-148 to 850 °F (-100 to 454 °C )
Fluid Type	Liquid, gas, steam
Process Wetted Material	316/316L SST, Alloy C-276
Warranty	Up to 5-year limited warranty

Features

• Patented T-shape sensor creates a fixed separation point for DP signal improvement over a wider flow rate
• Sensor stagnation zone positioned to reduce noise, measurement inaccuracies and keeps particulates from clogging
• T-shape design offers very low permanent pressure loss
• Integral thermowell adds process temperature measurement without additional pipe penetrations
• Lightweight design at large line sizes provides a cost-effective primary element solution