Introduction, 1 sensor head description and function, 2 transmitter description and function – CiDRA SONARtrac HD GVF-100 User Manual

Page 7: 1 introduction -1

Page 1-1

20675-02 Rev 01

INTRODUCTION

The CIDRA Corporation SONARtrac

Model HD VF & GVF-100

(High Dispersion Volumetric Flow and Gas Volume Fraction) System )
is used to provide accurate and reliable process measurements for
difficult to characterize solid/liquid mixtures and challenging sand/rock
slurry flows with varying velocities and densities within process pipes
The HD VF & GVF-100 system measures the volumetric flow rate and
the amount of entrained air / gas (also referred to as gas volume
fraction or GVF) contained in a fluid within process pipes on a real-
time basis. The SONARtrac

HD VF & GVF-100 utilizes patented

array processing techniques to listen to and interpret the flow
turbulence generated by fluid flow and the acoustic field generated by
machinery, piping and flow present in process flow. The clamp-on
design eliminates the need for cutting pipe or interrupting process flow
during installation.

The SONARtrac

HD VF & GVF-100 consists of a common

transmitter and sensor heads sized for different pipe diameters.

SONARtrac

flow and entrained gas meters certified for use in

hazardous areas are rated for use in Class I, Division 2, Groups A, B,
C, and D environments (per US and Canadian standards).

This manual covers the basic installation and setup of the
SONARtrac

Model HD VF & GVF-100 Monitoring System. In all

cases, local safety and operating practices take precedence over the
information contained within this document.

For additional information, contact your local sales agent or CiDRA
Corporation Customer Support by telephone at 1-877-243-7277
(1-877-CIDRA77) or by E-Mail at [email protected]

1.1

Sensor Head Description and Function

The SONARtrac

sensor head contains no moving parts. The sensor

head includes a sensor band and a fiberglass or stainless steel cover
assembly to protect the sensor band. The sensor band is wrapped
around and clamped onto the process pipe. A multi-conductor cable
electrically connects the sensors to an electronic module mounted in
the cover assembly. Signals from the electronic module exit through a
NEMA 4X rated connector mounted to the outer surface of the cover
assembly.

1.2

Transmitter Description and Function

The SONARtrac

transmitter receives electrical signals from the

sensor head. The signals are processed using SONARtrac

array

processing firmware that displays the calculated results on an integral

This manual is related to the following products:

SONARtrac HD VF-100