Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Extech Instruments 407706
Summary of Contents for Extech Instruments 407706
- Page 1 User’s Manual Model 407706 Analog Sound Level Meter...
-
Page 2: Specifications
Introduction Congratulations on your selection of the Extech Analog Sound Level Meter, a versatile device which measures sound pressure level in any acoustic environment. Sound/Noise Levels that are loud or soft, high or low -pitched, broadband, intermittent, or continuous can easily be measured in factories, schools, offices, airports, sound studios, theaters, auditoriums, automobiles, and in the home. -
Page 3: Front Panel Description
Front Panel Description Microphone Range switch MAX HOLD switch SLOW FAST switch A/C weighting switch Meter Battery compartment (rear) AC output jack Operation Weighting A / C Slide the Weighting switch to select A or C weighting. Use ‘A’ weighting to have the meter respond as the human ear would with regard to frequency response (the human ear boosts and cuts amplitude over the frequency spectrum therefore it is not ‘flat’... -
Page 4: Low Battery Indication
Fast (F) and Slow (S) Response Slide the Fast or Slow switch to select the response. Selection of Fast or Slow is determined by the application and any directives or standards related to that application. For example, most hearing conservation or OSHA related testing is done using SLOW and A weighting. Setting the Range Start with the highest range setting (120 dB) and work downward in range using the Rotary Switch until there is significant deflection of the meter's pointing needle. -
Page 5: Analog Output
Analog Output A Phono-type output jack is provided on the meter for connection to external test equipment. An AC rms voltage is provided (0.707V maximum) which is a linearized representation of the analog pointer reading. Connect this output to a datalogger, chart recorder, etc. for logging purposes. Tripod Mount A threaded insert on the rear of the meter permits attachment to a tripod stand for increased stability and accuracy (eliminates hand noise and minimizes the effects of sound reflected from the user's body). -
Page 6: Calibration And Repair Services
Calibration and Repair Services Extech offers complete repair and calibration services for all of the products we sell. For periodic calibration, NIST certification or repair of any Extech product, call customer service for details on services available. Ex tech recommends that calibration be performed on an annual basis to insure calibration integrity. -
Page 7: Warranty
Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 for authorization.
Need help?
Do you have a question about the 407706 and is the answer not in the manual?
Questions and answers