INTRODUCTION
This transit time ultrasonic transmitter is designed to measure the fluid velocity of liquid within a closed conduit. The
transducers are a non-contacting, clamp-on or clamp-around type, which provide the benefits of non-fouling operation and
ease of installation.
This family of transit time transmitters uses two transducers that function as both ultrasonic transmitters and receivers. The
transducers are clamped on the outside of a closed pipe at a specific distance from each other.
Application Versatility
The TFX Ultra transmitter can be successfully applied on a wide range of metering applications. The simple-to-program
transmitter allows the standard product to be used on pipe sizes ranging from 1/2 …100 inches (12…2540 mm)*. A variety of
liquid applications can be accommodated:
ultrapure liquids cooling water potable water river water chemicals
plant effluent sewage reclaimed water others
Because the transducers are non-contacting and have no moving parts, the transmitter is not affected by system pressure,
fouling or wear.
CE Compliance
The transmitter can be installed in conformance to CISPR 11 (EN 55011) standards. See “CE Compliance Drawings” on
page104.
User Safety
The TFX Ultra transmitter employs modular construction and provides electrical safety for the operator. The display face
contains voltages no greater than 28V DC. The display face swings open to allow access to user connections.
DANGER
THE POWER SUPPLY BOARD CAN HAVE LINE VOLTAGES APPLIED TO IT, SO DISCONNECT ELECTRICAL POWER BEFORE
OPENING THE INSTRUMENT ENCLOSURE. WIRING SHOULD ALWAYS CONFORM TO LOCAL CODES AND THE NATIONAL
ELECTRICAL CODE.
Data Integrity
Non-volatile flash memory retains all user-entered configuration values in memory for several years at 77° F (25° C), even if
power is lost or turned off. Password protection is provided as part of the Security menu (SEC MENU) and prevents inadvertent
configuration changes or totalizer resets.
Product Identication
The serial number and complete model number of the transmitter are located on the top outside surface of the transmitter
body. Should technical assistance be required, please provide our customer service department with this information. See
“Product Labels” on page96.
Introduction
Page 10 May 2016TTM-UM-00136-EN-06
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