PureView™ Pulser-Receiver Operator Manual
Page 12
Imaginant Inc.
PureView Enclosure, Interface Connectors, and Status Indicators
PureView Pulser-Receivers have four coaxial SMA connectors, a mini USB connector, and LED status indicators.
PureView T/R and Through Connectors
As shown in the image below, all PureView models have two coaxial SMA connectors (labeled T/R and
Through) for interfacing with one or two ultrasonic transducers.
In the Transmit-Receive T/R (Pulse-Echo) mode of operation, a single transducer is connected to the T/R
coaxial connector, preferably via a very short length of coaxial cable. The PureView pulser generates a
transducer-excitation pulse on the T/R connector to excite the transducer. The transducer converts energy
from the electrical excitation pulse into an ultrasonic pulse that is propagated into a test material. Ultrasonic
return signals (echoes) that are reflected from within the test material are received by the transducer and are
presented to the receiver input via the T/R connector for amplification and filtering.
In the Through mode of operation, a transmitting transducer is connected to the T/R connector, and a second
receiving transducer is connected to the Through connector. This second transducer detects signals that
have propagated to it from the T/R transducer, usually after passing through a test material located between
the two transducers. The signals received by the second transducer are presented to the receiver input via
the Through connector for amplification and filtering.