Cygnet systems, based in haryana, supplies manufactures integrating sound level meter 2001. Following are some of the technical features of the sound level meter which include: that has a capacity of storing up to 128,000 readings; .The product with built-in self test mode and ram formatting has internal rom with db versus time and db versus frequency logging; . Pc based software enables post processing of db versus time and db versus frequency. The measuring range is 34 to 134 db and the resolution is 0.1 db; . The ranges of temperature and humidity are 0-50 deg c and 0-90 percent, respectively. Some of the electrical features are also provided by the sound level meter 2001which include: it has indicators for overload and under range indication and internal rechargeable nicd batteries with life greater than 10 hrs; s. The battery life meter shuts off on low battery; .The meter has reflection-free robust die cast aluminium body and the operation is completely menu driven with 6 keys; . Ccalibration is also automated via the internal software. For continuous measurement or for 1 sec measurement, the the 2001 can be set up for continuous measurement or for 1 sec measurement. The simultaneously measured parameters are spl, lmax, lmin, sel, leq and elapsed duration, either with a, c or lin weighting along with date and start time. This data can be stored for retrieval later. Some general specifications include: these are available with memory options 32, 64, 128 and 256 k; . The dimension of the device is 255 mm x 93 mm x 45 mm and weight is 1,000 gms; c. Charger, microphone, software and serial cable are the standard accessories of the equipment.
