Output: variable from 2 millivolts to 20 volts peak to peak into open circuit with 3 digit resolution; operating temperature: 0 degrees c to p50.0 degrees c; non-operating temp; m20.0 degrees c to p 70.0 degrees c; operating altitude: sea level to 10000 ft; non-operating altitude: sea level to 50000 ft; humidity: 0 to 95 pct rh; 19.500 in. L; 17.000 in. W; 5.219 in. H