Drawmer SP2120 Speaker Protector
Sound System Protection in 2 easy steps...
Step 1: Insert key to `unlock' front panel and adjust VU meter pre-set until ...
Auto Ranging (30 ~ 130dB)
Level Range Display
AC/DC Signal Output
Resolution 0.1 ...
Extech 407736 Dual Range Sound Level Meter
Sound level meter with ±1.5dB accuracy meets Type 2 standards
Data Logging Sound Level Meter
High accuracy datalogging of up to 20,000 records
Meets ANSI and IEC61672-1 Type 2 standards