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RDT
Delay Line

Delay Line Transducers

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RDT

Overview

Common applications:

  • Composites
  • Thin walled parts
  • Machine parts

Features

  • Single normal beam compression wave contact transducer
  • Circular lead metaniobate crystal
  • Max operating temperature 50°C / 120°F
  • High temperature delay lines available on request
  • High dampening for a wide bandwidth
  • Rexolite delay lines available, custom length available on request

Specification

Transducer Models

Product CodeDescriptionFrequency (MHz)Crystal Diameter (mm / inches)Nearfield Length in Steel (mm / inches)
RDT25252.25Mhz ¼” DelayLine2.256.4mm / 1/4"3.9mm / 0.154"
RDT50252.25Mhz ½”DelayLine2.2512.7mm / 1/2"15.2mm / 0.598"
RDT12505Mhz 1/8" DelayLine53.2mm / 1/8"2.1mm / 0.083"
RDT25505Mhz ¼” DelayLine56.4mm / 1/4"8.6mm / 0.339"
RDT50505Mhz ½” DelayLine512.7mm / 1/2"33.8mm / 1.331"
RDT121010Mhz 1/8" DelayLine103.2mm / 1/8"4.3mm / 0.169"
RDT251010Mhz ¼” DelayLine106.4mm / 1/4"17.2mm / 0.677"
RDT501010Mhz ½” DelayLine1012.7mm / 1/2"67.7mm / 2.665"
RDT121515Mhz 1/8" DelayLine153.2mm / 1/8"6.4mm / 0.252"
RDT251515Mhz ¼” DelayLine156.4mm / 1/4"25.8mm / 1.016"
RDT122020Mhz 1/8” DelayLine203.2mm / 1/8"8.6mm / 0.339"
RDT252020Mhz ¼” DelayLine206.4mm / 1/4"34.4mm / 1.354"

Case Dimensions & Details (not including the Delay Line)

Transducer Version Crystal sizeWidth/Diameter (mm / inches)Height (mm / inches)Connector OptionsPosition Options
3.2mm / 1/8"12.7mm / 0.5"19mm / 0.748"DSide
6.4mm / 1/4"12.7mm / 0.5"19mm / 0.748"DSide
12.7mm / 1/2"19.5mm / 0.768"40mm / 1.575"DSide

Delay Line

Product CodeDescription
DT12Used for 3.2mm / 1/8" crystal diameter transducer delay line attachment (sold in packs of 3)
DT25Used for 6.4mm / 1/4" crystal diameter transducer delay line attachment (sold in packs of 3)
DT50Used for 12.7mm / 1/2" crystal diameter transducer delay line attachment (sold in packs of 3)

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