HP 16550A User Reference page 247

I
Specifications and Characteristics
Characteristics
Auxiliary Power
Power Through Cables
Operating Environment
Temperature
Humidity
Altitude
Vibration
12-8
1/3 amp at 5 V maximum per cable
Instrument, 0 °C to 55 °C ( +32 °F to 131 °F).
Pro be lead sets and cables,
0 °C to 65 °C ( +32 °F to 149 °F).
Instrument, probe lead sets, and cables, up to
95% relative humidity at +40 °C (+122 °F).
To 4600 m (15,000
ft).
Operating: Random vibration 5-500 Hz,
10 minutes per axis, ~o.3
g
(rms).
Non-operating: Random vibration 5 to 500 Hz,
10 minutes per axis,~ 2.41
g
(rms);
and swept sine resonant search, 5 to 500 Hz,
0.75 g (0-peak), 5 minute resonant dwell
at 4 resonances per axis.