Check the listing for details. CEM DT-8851 Digital Sound Noise dB Meter Data Logger datalogger PC USB interface. Condition: New. Listed at 109.95 USD. DT-8851 Industrial High Accuracy Digital Sound Noise Level Meter Data Logger with USB Interface Product Description 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.PLEASE NOTE: This meter does not have internal memory. It needs to attach to a computer to log data. Please consider DT-8852 if you need embedded internal memory. 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 displayA & C frequency weightingFast (125ms) and slow (1s) time weightingAnalog AC/DC output for connection to frequency analyzer or X-Y shaft recorder.USB interface for computerized digital sound level recording Specification 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 CE Certified Policy Summary Product Condition New, guaranteed to work Manufacturer's Warranty 1 year Under normal use; replace, repair or refund at manufacturer's sole discretion Seller's Warranty 30 days Under normal use; replace, repair or refund at seller's sole discretion US continental shipping and handling Expedited shipping to US location Non-refundable Sales tax Applies to California residents Payment Please contact seller if you are not able to pay via Paypal Due 3 days after auction close ALL PURCHASES ARE SUBJECT TO ADDRESS VERIFICATION. We ship to CONFIRMED ADDRESS ONLY. Copyright © 2005-2022 Ruby Electronics. All rights reserved.