NL-52/42 Class 1 and 2 Sound Level Meters

Additional Details

Rion’s NL-52 and NL-42 sound level meters provide full support for the measurement process.

The NL-52 and NL-42 were developed to eliminate the trouble of reading instructions when conducting measurements.

Large and easily viewable three-inch LCD color display.

The unit (except for the microphone) is water-resistant, which means that it is unaffected by sudden rain showers.

You can use rechargeable batteries to help cut down on waste, making this an environmentally friendly product.

NL-52 Complies with the following standards

IEC 61672-1: 2002 Class 1
ANSI S1.4-1983 Type 1
ANSI S1.4A-1985 Type 1
ANSI S1.43-1997 Type 1
JISC 1509-1: 2005 Class 1

NL-42 Complies with the following standards

IEC 61672-1: 2002 Class 2
ANSI S1.4-1983 Type 2
ANSI S1.4A-1985 Type 2
ANSI S1.43-1997 Type 2
JISC 1509-1:2005 Class 2

Measurement functions

· Simultaneous measurement of the following items, with selected time
weighting and frequency weighting

o Processing (main ch)

§ Instantaneous sound pressure level: LP

§ Equivalent continuous sound pressure level: Leq

§ Sound exposure level: Le

§ Maximum sound pressure level: /.max

§ Minimum sound pressure level: Z_min

§ Percentile sound levels: Ln(0.1 to 99.9 %, 0.1 -increment steps, max. 5 values)

o Processing (sub ch)

§ Instantaneous sound pressure level: LP.