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- Class 1 Intrgrating Sound Level Meter
- Easy to use, 100dB linearity range, sub-channel
- 16MB Memory Card for NL-31 (included) is required for logging purposes
- Card enables up to 99,999 sets of Leq, Lmax, Lmin, SEL, 5x LN data or up to 200 hours of instantaneous SPL's of short-term LAeqs to be stored
- Data is stored as a text file and card can be read directly by PCMCIA slot on laptop PC (desktop converter supplied with this item on request)
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