Extech Instruments 407355 Manual do Utilizador

User's Guide Noise Dosimeter with PC Interface Model 407355 Introduction Congratulations on your purchase of the Extec

407355 Version 2.4 9/07 10 Software Reference Information The REMOTE CONTROL and MAIN SOFTWARE Windows When the DOSE program is opened, two windows

407355 Version 2.4 9/07 11 MAIN Software Window Menu Headings FILE OPEN: Use an existing data file or create a new data file to store readings in S

407355 Version 2.4 9/07 12 EVENT WINDOW - Download data from meter bank (E1 through E5) to PC In this window the user can download, view, and save t

407355 Version 2.4 9/07 13 AVERAGE When AVERAGE is selected the window shown in the accompanying diagram opens. In the AVERAGE mode, the user select

407355 Version 2.4 9/07 14 OCCUPATIONAL NOISE EXPOSURE STANDARD Window The Occupational Noise Exposure Standard window (see diagram) is a convenient

407355 Version 2.4 9/07 15 DIN to DB-9 CablePC Interface Cable and Adaptor Wiring Reference The wiring diagrams and pin-outs for the supplied PC I

407355 Version 2.4 9/07 16 Conversion Charts OSHA Permissible Noise Exposures Duration per day, hours Sound level dBA, slow response 8 90 6 92 4 95

407355 Version 2.4 9/07 17  Support line (781) 890-7440 Technical support: Extension 200; E-mail: [email protected] Repair & Returns: Extensio

407355 Version 2.4 9/07 2 CCWarranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one

407355 Version 2.4 9/07 3 Specifications Display Multi-function LCD Units of measure dBA (‘A’ weighted decibels) for sound level % DOSE for accumul

407355 Version 2.4 9/07 4 Meter Description 1. Microphone (lapel clip not shown) 2. Microphone cable 3. Microphone connector 4. LCD display 5. Pus

407355 Version 2.4 9/07 5 Operation Getting Started 1. Power the instrument by pressing the green button. 2. When the unit is turned on, all

407355 Version 2.4 9/07 6 9. Use the MODE button at any time to view the elapsed time of the test. Press the MODE button until the TIME display ico

407355 Version 2.4 9/07 7 LCLTER20040_7_0_8_0_3_37SFPEAK FLAG When sound levels above 140dB are present the meter displays the PK symbol HIGH LEVEL

407355 Version 2.4 9/07 8 Calibration Procedure Note that an acoustical calibrator (such as the Extech 407744 or 407766) is required to calibrate th

407355 Version 2.4 9/07 9 PC Interface Operational Modes The PC Interface for the Model 407355 is used for both the Sound Level Meter (SLM) and the