Sper Scientific 850013 Advanced Datalogging Sound Meter - Manual (Page 12)

12
KEYPAD
15. AC/DC signal output jack
Connect the AC/DC output (located on the bottom of the
unit) to the level recorder.
AC: 1 Vrms corresponding to 130 dB (with frequency
weighting)
DC: Output: 10 mV/dB
16. External DC 9V power supply jack
Connect the AC adapter.
17. Tripod mounting thread
For long-term measurements, the unit can be mounted
on a camera tripod. Be careful to avoid dropping the
unit.
18. Battery compartment
DC Signal
AC Signal Ground