 |
Bruel & Kjaer 2317 Portable Graphic Level Recorder
Linear dc and logarithmic RMS AC recording in three dynamic ranges: 10,
25, and 50dB.
Frequency range: 1Hz to 20KHz.
Eight paper speeds from .01 to 30mm/s and two writing speeds of 500 and
50mm/s.
Battery or ac operated. |
