Digital Sound Level Meter Big backlit display and PC interface With background sound absorber for machine noise measurements Features: * Auto/Manual ranging from 30 to 130dB in 6 ranges * Meets ANSI and IEC Type 2 standards * A and C selectable frequency weightings * Fast and Slow selectable response times * Background noise absorber mode for machine noise measurements filters ambient noise * Large 3 1/2 digit display with 0.1dB resolution with backlighting and analog bargraph * Electret condenser microphone provides 1.5dB accuracy * Min/Max plus analog output and tripod mount * Max Hold latches maximum value on display * RS-232 interface for capturing data directly on a PC, optional Windows(R) compatible software * Complete with batteries and carrying case Applications: * Machine noise evaluation * OSHA compliance testing * Community noise measurement * Noise ordinance * PC interface for data collection Windows compatible Software and Cable Ordering Information: Specifications Digital Display Bargraph Display Measurement Range Resolution Accuracy Microphone Frequency Weighting Time Response Sampling time Measurement frequency range Analog output Applicable Standards Power Supply Dimensions Weight 3-1/2 digit (1999 count) Autorange LCD 50dB display range (1dB resolution); 30 to 130dB (35 to 130dB for "C" weighting) 0.1dB 1.5 dB @ 94dB for a 1kHz sine wave Electret Condensor .24"(6mm dia.) type "A" and "C" type Slow/Fast updates every 0.5seconds 31.5Hz to 8KHz AC: 0.707Vrms (full scale); DC: 10mVDC/dB IEC 651 Type 2, ANSI S1.4 Type 2 9V battery , optional AC adaptor 10 x 3.1 x 1.5"(256 x 80 x 38mm) 8.5oz. (240g) 407750....................Digital Sound Level Meter 407750-NIST ..........407750 with NIST Certificate 407752....................Windows compatible Software and Cable 407744....................94dB Sound Calibrator www.extech.com Specifications subject to change without notice. 4/24/08 - R1 Copyright (c) 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.