Dual Element (TR) Probes

Name: Dual Element (TR) Probes
Brand: Doppler
SKU: UT-TR

Separate transmitter and receiver, no initial pulse dead zone.

Choose a model (47)

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Part number	Type	MHz	Crystal [mm]	Crystal type	Focal length [mm]
MT121	for thickness gauges	1	—	—	—
DA1C21F20	dual element	1	21/2	composite	20
DA1P21F20	dual element	1	21/2	standard	20
MT211	for thickness gauges	2	—	—	—
MT211H	for thickness gauges, high temperature	2	—	—	—
DA2P3.5*10F10	dual element	2	3.5×10	standard	10
DA2P3.5*10F18	dual element	2	3.5×10	standard	18
DA2P3.5*10F8	dual element	2	3.5×10	standard	8
DA2C7*18F15	dual element	2	7×18	composite	15
DA2C7*18F30	dual element	2	7×18	composite	30
DA2P7*18F15	dual element	2	7×18	standard	15
DA2P7*18F30	dual element	2	7×18	standard	30
DT02	for thickness gauges	2	10	—	—
DA2C11FS8	dual element	2	11/2	composite	8
DA2P11F8	dual element	2	11/2	standard	8
DA2C21F20	dual element	2	21/2	composite	20
DA2P21F20	dual element	2	21/2	standard	20
DA3-2.25C6-B	dual element	2.25	6	composite	—
DA3-2.25P6-B	dual element	2.25	6	standard	—
DA4C3.5*10F10	dual element	4	3.5×10	composite	10
DA4C3.5*10F18	dual element	4	3.5×10	composite	18
DA4P3.5*10F10	dual element	4	3.5×10	standard	10
DA4P3.5*10F18	dual element	4	3.5×10	standard	18
DA4C6*20F25	dual element	4	6×20	composite	25
DA4P6*20F12	dual element	4	6×20	standard	12
DA4P6*20F25	dual element	4	6×20	standard	25
DA4P10FS10	dual element	4	10	standard	10 / 15 / 25
DA4P20FS10	dual element	4	20	standard	10 / 15 / 25
MT506	for thickness gauges	5	—	—	—
MT509	for thickness gauges	5	—	—	—
DA3-5C6-B	dual element	5	6	composite	—
DA3-5P6-B	dual element	5	6	standard	—
DA5P7.2FS10	dual element	5	7.2	standard	10 / 15 / 25
DA5P9F25	dual element	5	9/2	standard	25
DDA301	for thickness gauges	5	9	—	—
DT05	for thickness gauges	5	9	—	—
DA5P10FS10/15/25	dual element	5	10	standard	10 / 15 / 25
DA5P11FS10-I-DA024-SL5-C-L-E	dual element	5	11	standard	10
DA5P11FS10-I-DA108-SC5-D0.3-L-E	dual element	5	11	standard	10
DA3-5C13-B	dual element	5	13	composite	—
DA3-5P13-B	dual element	5	13	standard	—
DA5P20FS10/15/25/50	dual element	5	20	standard	10 / 15 / 25
DT10	for thickness gauges	7.5	3×1.5	—	—
MT102L	for thickness gauges	10	—	—	—
MT105H	for thickness gauges, high temperature	10	—	—	—
MT105L	for thickness gauges	10	—	—	—
DA10P5F3	dual element	10	5/2	standard	3

Selected model: DA2P21F20

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SKU: UT-TR Categories: Conventional probes, Probes, UT equipment

Description
Additional information

Description

TR probes have separate transmitting and receiving elements, so they create a defined focal distance in the component under test. The absence of an initial pulse dead zone and lower scattering give a higher signal-to-noise ratio in highly attenuating materials.

Features

No initial pulse dead zone
Less scattering, higher SNR in high-attenuation materials
Good coupling on curved and rough surfaces
Two performance types: PL (universal) and C (composite)
European standard, Lemo 00 (C5) side mounting connector

Specifications

Frequencies: 1–5 MHz
Element dimensions: Φ9/2, Φ11/2, 3.5 × 10 mm

Applications

Corrosion monitoring
Remaining wall thickness measurement
Coating measurement
Near-surface flaw detection
Cracks, pores and inclusions in forgings

Specifications from the manufacturer’s catalogue, Doppler Electronic Technology (2024). X-TEST — exclusive distributor for Poland, Lithuania, Latvia and Estonia.