Special Features
2freq data, 2 cy to 30 khz, w/i 1 db response over entire range; calibration data, db calibration, from 0 to plus 20 range in decibles, porm 1 db accuracy; 12 v dc or 115 v ac input voltage range; input data, 1, hydrophone type, impedance not rated; output data, 3, head-phone type; operating power rqmts, ac, 115 v, 60 cy, sgl phase, dc, 12 v; maj components and accessories, sound measuring set, 1, navship, model mk iv, hydrophone, 2, atlantic research corp, type bc 50, head-set, 1, navship, navy type 49985-a; no special features
Reference Number Differentiating Characteristics
Elr no.
Description
Sound Measuring Set