Sound and Vibration Instrument Hire and Calibration

Norsonic 121 Multifunction Sound Analyser

The Nor 121 has been withdrawn from our lists, most customers prefer the Nor 118+ or Nor 140 or B&K 2250 Real Time Analysers. This information has been retained for reference purposes.

Nor 121 : Multi-function Analyser with one microphone	n/a

Nor 121 : Multi-function Analyser with two microphones	n/a

A dual channel analyser to measure both noise or noise and vibration simultaneously, building acoustics, sound insulation, environmental noise pollution measurements etc.

Statistical [Ln] functions of the broad band spectral networks and each 1/3 octave or 1/1 octave frequency band from 0.1 Hz to 20 kHz for all three major time constants. Up to 1400 different parameters may be recorded.
When used in the single channel mode the dynamic range may be set to > 120 dB.
Large paper white screen for graphical and numerical displays
Internal hard disk drive [4 Gbytes] with Digital Audio Recorder function for storage of raw acoustic data. The disk is also partitioned for storage of measurement results, setup menus and monitor microphone to record the operators comments.
With seven levels of nested reports and a timer function, the analyser can report literally thousands of different rating parameters, including overall global values and time profiles in both the time and frequency domain. The instrument can run for weeks collecting 1 second third octave spectra without filling its memory *.
Rechargeable batteries, multiple interfaces, PCMCIA, RS-232 and Centronics. Internal multi frequency oscillator for outdoor microphone verification, compatible with the GRAS 41AL Outdoor Microphone Systems.
Manufacturer's Specifications
Delivered with one precision microphone, 2 m preamplifier cable, windshield and a mains charger unit. Order a second microphone, extension cables and/or accelerometer kits if required.
Also included is the Nor 1020 software and a download cable, one set per hire. If you require extra copies, they are available at the list price.
See also the environmental noise survey and the annoyance kits below.
* The Nor 121 is a very comprehensive instrument with too many features and applications to detail here. If you need further information please visit the Norsonic web site where they have posted a 16 page leaflet on this meter - to get there, click this link.
We stock a wide range of accessories, order what you want and only pay for what you need
Popular Accessories
We also hire Windows laptops loaded with the Nor 1020 PC software.
Sound level meters and particularly microphones are very susceptible to damp, so should not be used outside, unless protected.

Environmental Noise Measurement Kits

Nor 121 : Environmental Noise Kit	n/a

We recommend you add a precision Nor 1251 calibrator (£3) if you don't already have one.

Noise at Work Kits

Nor 121 : Noise at Work Kit	n/a

We recommend you add a precision Nor 1251 calibrator if you don't already have one.

Annoyance Recording - inside complainants home

Nor 121 : Annoyance Recording Kit	n/a

Sound Insulation and Building Acoustics Kits and Systems

Nor 121 : Sound Insulation Analyser - dual channel	n/a

Real time, dual channel analyser with extensive building acoustics features.
Features:
May be used as a stand-alone instrument if you have your own sound sources or build a system from the accessories below or just choose one of our kits
Delivered with 2 precision microphones, low noise preamplifiers, 2 m extension cables and a mains charger unit.
Also included is the Nor 1020 software and a download cable, one set per hire. If you require extra copies, they are available at the list price.

Airborne and Impact Sound Insulation Kits - order a kit and get the analyser half price

Airborne Sound Insulation Kits

Nor 121 : Sound Insulation Airborne Kit - dual channel	n/a

Airborne and Impact Sound Insulation Kits

Nor 121 : Sound Insulation: Airborne + Impact Kit - dual channel	n/a

Please add a calibrator, more extension cables or any additional accessories from the list above - if required.
For the full range and more details see the Norsonic lists
* Our standard hire charges are based on a 4-day minimum period, details other options.