Environmental Instruments : Rion NL-20

Rion NL-20

Compliant with the new IEC61672-1 standard
Wide dynamic range of 100 dB eliminates need for range switching
Simultaneous measurement of equivalent continuous sound level
Graph display shows sound level fluctuation; available when using back-erase function
Easy-to-read backlit LCD display
Up to 34 hours of continuous operation possible with four IEC R6 (size AA) alkaline batteries; external power supply by AC adapter

Specifications
Applicable standards	IEC60651: 1979 Type 2 IEC60804: 1985 Type 2 IEC/CDV: 61672-1 Class 2
Measurement functions	Sound level (Lp) Equivalent continuous sound pressure level (Leq) Sound exposure level (LE) Maximum (Lmax) and Minimum (Lmin) sound pressure level Percentile sound pressure level (LN)(5 selectable settings)
Measurement range	A weighting: 28-138dB C weighting: 33-138dB Flat: 38-138dB
Frequency range	20-8000 Hz (including microphone)
Time weighting	Fast, Slow
Microphone	1/2-inch elected condenser type UC-52
Display	Backlit LCD panel (128 X 64 dots+121 icons)
Power requirement	Four IEC R6 (size "AA") batteries AC adapter NC-34 series (option)
Battery-life	34 hours
Dimensions and weight	260 (L) X 76 (W) X 33 (D)mm; Approx. 400g (incl. batteries)