Dynasonics 902_903 Series Portable Doppler Ultrasonic Flow Meter - Manual (Page 6)

Rev. 10/08
- 4 - D902/3
This manual contains detailed operating instructions for all
aspects of the D902/3 instrument. The following condensed
instructions are provided to assist the operator in getting
the instrument started up and running as quickly as
possible. This pertains to basic operation only. If specific
instrument features are to be used or if the installer is
unfamiliar with this type of instrument, refer to the
appropriate section in the manual for complete details.
1. TRANSDUCER LOCATION
A. Determine the appropriate mounting location for the
transducers by referring to Figure 1.
2. PIPE PREPARATION AND TRANSDUCER
MOUNTING
A. The piping surface, where the transducers are to be
mounted, needs to be clean and dry. Remove
loose scale, rust and paint to ensure satisfactory
acoustical bonds.
B. Connect the elastic mounting strap around the pipe.
Leave the strap just loose enough to slip the
transducers underneath.
C. Apply a liberal amount of silicone grease (enclosed)
onto the transducer faces and the prepared areas of
the pipe.
Location
Pipe Preparation
and Mounting
QUICK-START OPERATING INSTRUCTIONS
Figure 1 Transducer Locations
RECEIVING
TRANSDUCER
TOP VIEW OF PIPE
TRANSMITTING
TRANSDUCER
90° ELBOW
Fluid Velocity ∝ Г
 - Г 2
Clean, Non-aerated Liquids Liquids with Suspended Solids or Aeration