Environmental Stress Screening (ESS)

Environmental stress screening - ESS - is also commonly referred to as temperature-controlled testing, or ‘shake and bake’, is a form of testing where products are subjected to high or low temperatures or to cyclical temperature fluctuation, while being shaken, to ensure that the combination of thermal and vibration stress does not cause the product to fail.

Environmental stress screening is a way of proving operational stability at extremes, such as desert conditions, hot manufacturing environments or very cold weather. Test types include highly accelerated lifetime testing (HALT) and highly accelerated stress screening (HASS).

ESS is common for military products and components that often operate at extreme temperatures and for industrial products such as automotive components – both engine components and in-cabin assemblies. For military products, the testing temperature range is –55 °C to +125 °C. For industrial products, the common range is –40 °C to +85 °C.

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To perform environmental stress testing, a shaker – for example, a V875 (or V8750 - coming soon) with a thermally-conditioned fixture and a thermal barrier – is fitted to an environmental chamber so that only the payload and the shaker fixture are inside the chamber. Depending on the type of test, the shaker can be in vertical or horizontal configuration.

The LASERUSB controller supports standardized testing, including testing according to MIL-STD-810 and DEF STAN 00-35.

LDS V875

Medium-Force Shaker

An air-cooled electrodynamic shaker used in R&D for vibration and shock testing of medium-to-large payloads up to 600 kg (1323 lb), such as satellite components, automobile parts, electronic assemblies, and military hardware. Maximum forces of 35.6 kN (8000 lbf).

LDS SPA-K

Power Amplifiers

Available with outputs ranging from 8 to 56 kVA, these switch-mode power amplifiers are used to drive electrodynamic shakers with force ratings of at least 9.81 kN (2205 lbf), such as LDS V830.

LDS Laser USB

Vibration Controller

LDS LASER USB Vibration Controller provides 4 channels, which can be expanded to 16 channels for simultaneous input. The controller combines convenience, performance, flexibility, and safety, making it suitable for any lab.

LDS Fixtures

Head Expanders / Thermal Barriers

Extend your testing capabilities with our head expanders and thermal barriers, designed for our electrodynamic shakers and LDS systems, providing force ratings of at least 9.8 kN (2205 lbf).

TYPE 4535-B

General-Purpose Triaxial CCLD Accelerometer, TEDS, 9.8 mV/g

Triaxial CCLD Accelerometer designed to simplify your testing by covering many of the needs of a modern test lab using a single device. Supplied without cable.

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Operating Deflection Shapes (ODS) Analysis

Mobility Testing

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Mobility Testing

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Operating Deflection Shapes (ODS) Analysis

Mobility Testing

Environmental Stress Screening (ESS)

System suggestion

Medium-Force Shaker

Power Amplifiers

Vibration Controller

Head Expanders / Thermal Barriers

General-Purpose Triaxial CCLD Accelerometer, TEDS, 9.8 mV/g

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