NOR139 (Class 1)

Applications

Class 1
Environmental noise assessments
Sound recording
Noise source identification
HVAC noise
Noise hazards in the workplace
Remote noise monitoring
Product development
Noise labelling
General purpose sound level meter

Noise Monitoring

Tech Specifications

Accessories

Downloads

Media

Tech Specifications

The Nor139 sound level meter may optionally be fitted with 1/1- and 1/3-octave filters capable of logging multispectra with a vast number of measurement parameters with a time resolution of from 100ms and on. Fitted with removable SD-card for easy to store and import measurement data to a PC.

Precision integrating sound level meter to IEC 61672 class 1
Handheld real-time 1/1-octave or 1/3-octave frequency analyser (6,3Hz-20kHz)
Measurement of A-weighted levels simultaneously with either C- or Z-weighted levels
Parallel detection of SPL, Leq, Lmin, Lmax, LE and Lpeak
120 dB dynamic range giving a “one-range” instrument
Measures Lpeak levels up to 140 dB
Parallel detection of F, S and I time constants
USB 2.0 and High-speed RS-232 serial interface
SD memory card and large high speed internal memory
Sound recording in 8, 16 or 24 bit format with 12 or 48 kHz sampling
Up to 90 sec. audio recording pretrigger
High-resolution graphical backlit display
Manual or automatic storage of results
Automatically repeated measurements with clock synchronization
Pause/Continue function with back erase feature
Results displayed as dB or linear values
Numerical printouts
AC output signal
Windscreen correction
Support for IEPE sensors
NC, NR and RC rating
Multiple language selection
Moving Leq

Accessories

Nor1261 Tripod adaptor

Nor1261 is a “clip-on” tripod adaptor for use with 1/2″ Preamplifiers. Tripod attachment threads is 1/4″.

Nor1262 Tripod adaptor, adjustable

“Clip-on” adjustable Tripod Adaptor for 1/2″ Preamplifiers. Both 3/8″ and 1/4″ tripod screws can be used.

Nor1335A Softbag

Softbag in nylon with room for sound level meter Nor139, calibrator, and accessories. The bag is normally included in Nor139 deliveries.

Nor1434 windscreen, 90 mm

Wind Shield for 1/2″ microphones/preamplifiers. Diameter 90mm.

Nor1451 windscreen, 60 mm

Wind Shield for 1/2″ microphones/preamplifiers. Diameter 60mm.

Nor340 Mains adaptor

Mains Adaptor, 90-230 Vac input with standard EU mains plug, 12 Vdc output/EU
Mains Adaptor, 90-230 Vac input with UK mains plug, 12 Vdc output /UK
Mains Adaptor, 90-230 Vac input with US mains plug, 12 Vdc output /US

Nor1441B PC Cable

Cable (2m) for connection of Nor139 to a PC with 9-pin connector.
The Interface cable Nor1441 exists in two versions. Nor1441 and Nor1441B.
The Nor1441 is now obsolete and is replaced by the Nor1441B. The difference between the two is the connection of the handshake. The Nor1441B uses RTS/CTS handshake. The former version, Nor1441, uses DTR/DSR.

Nor1489A GMS Modem data cable

Cable (2m) for connecting a GSM-Modem with 9-pin socket, such as Siemens TC35i to RS-232 interface on Nor139.

Nor4513B AC out and PC cable

Cable, 2m, for simultaneous connection of Nor139to RS-232 interface and AC(Flat) output.
The Interface cable Nor4513 exist in two versions.
Nor4513A and Nor4513B. The Nor4513A is now obsolete and is replaced by the Nor4513B.

Nor263B Hand switch

Remote hand switch with 5m cable for external triggering of start or audio recording (if applicable) on Nor139.

Downloads

Please click the button below to view the manufacturer’s product resources.

Media

Please click the button below to view the manufacturer’s product videos.

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Norsonic

NOR139 (Class 1)

Applications

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