Sensors and microphones

A new range of strain gauge dual bridge load cells for aircraft structural, lifetime and fatigue testing will be shown along with new microphone products including the 377B26 probe microphone designed for R&D engineers needing to measure sound pressure in confined areas. There will also be high-g shock MEMS accelerometers capable of measuring long duration transient motion as well as responding to and surviving extremely fast rise times typical of applications such as down-hole oil exploration, pyroshock and crash/impact environments.

PCB’s new series 1400 strain gauge dual bridge, fatigue rated load cells are designed specifically for iron bird and airframe structural, lifetime and fatigue testing applications on wings, fuselage, landing gear and other airframe components. Features include dual outputs to provide sensor redundancy and the ability to provide control feedback from one bridge while the other is used for data acquisition. The new load cells are available in multiple ranges, include thermal compensation and are supplied complete with load bases as standard. The load cell including load base comes complete with A2LA accredited calibration to ISO 17025 in both tension and compression modes.

An additional feature – moment compensation – helps to maintain accurate output from the sensor in the presence of eccentric loading and side loads that are often experienced during highly repetitive load testing cycles. A single shunt calibration resistor is provided with each load cell to simplify calibration at the test site.

PCB’s latest probe microphone – model 377B26 – is designed for R&D engineers who need to measure sound pressure in confined areas. The probe tip diameter is extremely small measuring 1.3mm which enables white goods, telephone, headphone, loudspeaker and musical instrument manufacturers to make measurements in small, confined and difficult-to-access areas.

Stand E5.