| BRAND | Larson Davis |
| Product | Model 2221 |
| Internal code | ONR4911828 |
| Technical specification | Single-channel power amplifier for precision microphones, 7-pin LEMO® input, 7-pin LEMO® input, internal batteries, 0 and 200 V bias, flat (Z), A or C-WT, gain range from 0 to 50 dB. |
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USB memory, 32GB
SoundAdvisorTM
Sound Level Meter
PORTABLE NOICE MONITORING SYSTEM
Infrared (IR) (to communicate the Spark 705 with the PC)
Windscreen
Crocodile (for SPARTAN 730 noise dosimeter)
Adapter for calibrator
cable level converter for data transfer to computer
PHONOMETER
