Digital Sound Level Meter w/ Auto & Manual Ranging ******           This product is the most popular sound level meter that gives the possibilities of measuring the level of noise with indication of digital display with analog graph. The Auto & Manual ranging provides wide possibilities for indication and data updating. It is also capable of measuring four (4) measurement ranges from 40~130dB and features 0.1dB resolution. It allows you to select between fast and slow response times as well as A and C weighting. A maximum hold function is also provided. Jacks on the meter provides AC analog output. With this, you can easily monitor the sound levels from traffic noise, alarm systems and workplace machinery! It is completely solid state and will never wear out! Typically applications: Occupational Noise Measurement and Compliance Environmental Noise Measurement and Compliance Noise Ordinance Enforcement, Community Noise Assessment Environmental Impact Studies, Frequency Analysis and Calibration Audiometer Analysis and Calibration Engineering Control Studies Machine Performance Analysis Maintenance Inspections and Troubleshooting Product Testing, etc..   Special Features Measurement frequency ranging 300 Hz to 8000 Hz Quasi-Analog bar indicator : 1 dB display steps, 50dB display range, updated every 40ms Auto or Manual ranging selectable A & C weighting selectable Digital display of sound level with analog graph With analog output With Maximum Hold, Record Maximum & Minimum Features Large & clear LCD display with no guessing error With 6mm (Dia.) electric condenser type microphone With Automatic Switch Off if idle for 20min Low battery indicator Fast & Slow response selectable High quality and accurate testing results are guaranteed Approved by strict quality and safety standards *Conform with CE Certification Standards : *** EN 50081-1/1992: EN 55022 *** EN 50082-1/1997: EN 61000-4-2/-3/-8, ENV 50204 Standards & Compliance: It bears the CE marking that certifies that every single component of this product comply with the essential health standards and safety requirements set out by the European Directives, thus your safety while using the product is assured. Specifications *Measuring Range: A weighting : 40dB~130dB ************* C weighting : 45dB~130dB Ranges: 40~70dB, 60~90dB, 80~110dB, 100~130dB Accuracy at 94 dB,1KHz : ±2dB Analog Output : AC 0.707Vrms (F/ S) Operation Temperature : 0~50°C, 10~90%RH Storage Temperature : -20~60°C Quasi-Analog Bar indicator : 1dB display step, 30dB display range, updated every 50ms Hold : Max./ Min. Record : Maximum Hold Microphone : 10mm Dia. electric condenser microphone *Dimensions : 57 x 230 x 44mm Standard Set Includes 1 x Digital Sound Level Meter 4 x AAA Battery ( FREE) 1 x Windscreen Filter (Sponge Ball) (FREE) *Instruction Manual     Copyright © 2008. All rights reserved. Discount Instrument *