Open Channel Flow Meter
Rosemount 3101, 3102, and 3105
Measures liquid height, distance to liquid, volume, or flow in open channels
Eliminates problems experienced with contacting instrumentation
Simple set-up and operation with an integral LCD display and buttons
Low cost of installation and commissioning
Minimal maintenance after installed
Process downtime minimized
Non-contacting measurement with no moving parts
Two integral signal relays (on the Rosemount 3102 only)
Corrosion resistant PVDF wetted material
Two-wire 24 V direct current loop-powered
Operating range up to 36 ft. (11 m)
Automatic temperature compensation
Advanced software features on the HART transmitters (Rosemount 3102 and 3105 only)
Learn routine : (false echo registration)- The transmitter can learn to ignore up to four false echoes, caused by the pulse signal reflecting off obstructions
Empty tank mapping : When a tank is empty, the transmitter can learn to ignore up to four false echoes, without the need for user interaction
Present depth :The bottom reference can be automatically set using a known user-entered depth
Set as empty :When the tank is empty, the bottom reference can be automatically reset to the measured distance
Distance offset :The distance to the surface can be adjusted by a user-entered positive or negative offset value
Level offset :The level can be adjusted by a user-entered positive or negative offset value
Bottom blanking :The transmitter can be set to ignore an area of the tank bottom to avoid false echoes from obstructions
