Catalog excerpts
Schaevitz® A640 Series DC-Operated Accelerometer with unfiltered and low pass filter outputs 1 Ringway Centre, Edison Road, Basingstoke, Hampshire, RG21 6YH, United Kingdom Tel: +44 (0) 870 444 0728 Fax: +44 (0) 870 444 0729 Email: sales@sherbornesensors.com Website: www.sherbornesensors.com A640 - Issue 5.doc Features • Ranges ±1g to ±20g • Essentially zero temperature coefficent of damping ratio • Filtered and unfiltered outputs simultaneously available • Integral temperature compensation • DC input - DC output • Signal ground isolated from power ground • High reliability Introduction The Sherborne Sensors’ range of Solid State Accelerometers measure vector acceleration with high accuracy using a micromachined (MEMS) silicon sensor incorporating an air damping feature. Unlike fluid damped devices the air damping employed is essentially independent of temperature. The transducer also incorporates positive mechanical stops confering excellent shock resistance. The accelerometer is compensated for the effects of temperature on both sensitivity and zero. Typical applications include data acquisition systems, crash recorders, fatigue life monitoring and prediction; monitoring and controlling deceleration in mass transit systems; road bed analysis and fault detection equipment for high speed railways; military and civil flight simulators; autopilots and low frequency vibration monitoring. The A640 series will in many cases replace the now discontinued Schaevitz Series A400 accelerometers and is mechanically inter-changeable. In addition to the instruments offered in this bulletin Sherborne Sensors design and develop accelerometers for specific applications. These custom designed units can be manufactured and tested to conform to specific requirements and standards.
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