CEM DT-8851 Industrial High Accuracy Digital Sound Noise Level Meter Data Logger with USB Interface

This is a brand new CEM DT-8851 CE certified digital sound / noise level meter. This meter has a built-in USB port which connects to a laptop PC for recording the sound level over a period of time. This is an ideal instrument for noise monitoring in factory, school, business and traffic areas. This meter conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standards.

This device operates on a 9V battery (about 30 hours) or an AC adapter (included). It is very accurate (+/- 1.4 dB) and durable, an ideal companion for your field projects. A heavy duty carrying case is also included for the protection of the device and your convenience.

FEATURES

* Conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standard for sound level measurement
* MIN and MAX sound level hold
* Over range / under range display
* A & C frequency weighting
* Fast (125ms) and slow (1s) time weighting
* Analog AC/DC output for connection to frequency analyzer or X-Y shaft recorder.
* USB interface for computerized digital sound level recording

SPECIFICATIONS

Accuracy	+/- 1.4 dB
Frequency range	31.5 Hz - 8KHz
Dynamic range	50dB
Level ranges	Lo: 30 - 80 dB Med: 50 - 100 dB Hi: 80 - 130 dB Auto: 30 -130 dB
Time weighting	Fast: 128 ms Slow: 1 sec
Microphone	1/2 inch electret condener microphone
Resolution	0.1 dB
Display update	2 times / sec
Analog output	AC : 1Vrms, DC : 10mv/dB