The Model 3030B5 from Dytran Instruments Inc., Chatsworth, CA, is specifically designed for use with ESS, HASS, HALT, and other combined-environment test chambers. The accelerometer weighs 6.8 g, is available with a 500 g range and 10 mV/g sensitivity, and is insensitive to the thermal changes encountered during rapid temperature cycling. Features include a welded hermetic SS package and a low-impedance voltage output signal compatible with most shaker control and DA systems.