DD1

The strain gauge based DD1 displacement transducer measures displacements of ±2.5 mm very accurately. The DD1 can also be used as a strain transducer due to its accessories. Moreover, the sensor has become the standard in materials testing.

DD1

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DD1 Displacement Transducer: Measuring Displacement and Strain with an Accuracy Class of 0.1

The strain-gauge-based DD1 displacement and strain transducer measures displacements in a range of ±2.5 mm very accurately, offering the HBM accuracy class of 0.1. It is a unique product in the market due to its wide range of possible applications. The DD1 can be used in materials testing as well as for monitoring tasks, for instance, as a settlement sensor in the monitoring of buildings and in research and development tasks.

The DD1 is based on a displacement transducer that converts the displacement of a probe tip into an electrical signal. The DD1 has become the proven standard in many strain measurement applications owing to its wide range of accessories, such as a quick clamp set, extensions, and probe blades. It has proven to be a useful and reusable alternative to bonded strain gauges for tensile tests in materials testing. The DD1 has a creep value that is very close to zero owing to the use of a special strain gauge developed by HBK. The sensor can be used at frequencies of up to 50 Hz and, therefore, provides detailed results in dynamic applications. The transducer is renowned for its very low weight and compact dimensions. The quick clamp set enables the transducer to be flexibly fixed to a wide range of objects. Integrated stops at both ends protect the DD1 from overload, and the full-bridge technology allows fast integration into existing measurement systems.

Proven measurement quality

High precision offering HBM accuracy class 0.1
Excellent results due to special strain gauges developed by HBM
Constant measurement signal without creep for continuous measurement tasks
Detailed measurement results with dynamic measurements at sample rates of up to 50 Hz

Precise measurements due to strain gauges without creep and sample rates of up to 50 Hz

Practical design

Wide range of applications owing to the field-proven measuring range of ±2.5 mm
Protection against overload due to overload stops at both ends
Extensive range of accessories such as quick clamp sets, extensions, and blades
Compact dimensions (66 mm x 37 mm x 10.4 mm) allow measurement in confined spaces

Wide range of applications owing to the practical measuring range and compact dimensions

Easy integration

Ideal for use as a strain sensor due to the mounting accessories that are available in addition
Its extremely low weight (only 20 grams) allows convenient fixing using quick clamp sets
The highly flexible connection cable ensures a very high degree of freedom for installation
Fast integration into existing testing systems due to strain gauge full bridge technology

Displacement and strain measurements thanks to low weight and several accessories

File	Description	Type	Languages	Size
DD1 - Data Sheet (B00529)	DD1 - Data Sheet	Technical Document	English	254 KB
DD1 - Mounting instructions (A00781)	DD1 - Mounting Instructions	Technical Document	English, German	329 KB
DD1 - EU Declaration of Conformity (ce067)	DD1 - EU Declaration of Conformity	Certificate	English	611 KB

DD1
Type/technology	Strain gauge
Application	Multi purpose
Measurement range [mm]	2.5 mm
Measurement range [in]	0.98 in
Measurement range (base unit)	2.5 mm
Output signal	Passive
Mechanical connection	Probe
Linearity deviation	0.05 %
Shaft diameter [mm]	37 mm
Shaft diameter [in]	1.46 in
Length [mm]	65 mm
Length [in]	2.56 in

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DD1

Proven measurement quality

Practical design

Easy integration

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