Open Channel Flow Measurement

THE HALMI-PARSHALL FLUME WAS SPECIFICALLY DEVELOPED TO SUIT SUCH NEEDS, WITH:

+/- 2% ACCURACY
(+/-0.75% with Flow
Calibration)

ACCURACY TRACEABLE
(to NIST formerly NBS)

LOW HEADLOSS

ADJUSTABLE LAYING
LENGTH

FOR ANY PIPE LINE SIZE

REMOVABLE
RESTRICTORS
provide adjustable flow
meter capacity

ACCURACY CAN BE
VERIFIED visually in the field

PFS DESIGN SERVICE
WILL properly locate the
Meter

METER CAN BE BUILT OF ANY MATERIAL required
by the specific application

ANY SIGNAL SENSOR
CAN BE USED
INCLUDING:
C/R Probe; Staff Gauge;
Ultrasonic Level Measurement;
Float Well; Pressure
Transmitter

SPECIAL PATENTED design
US Patent No: 4671119

Primary Flow Signal, Inc., 81 Bleachery Court, Warwick, RI 02886. Tel: 401-463-9199; Fax: 401-463-5437.