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Sound Meters

Extech Instruments

407355

Measure total sound exposure over an 8-hour period

Perform OSHA and IEC Noise accumulation surveys

Adjustable Criterion Level, Exchange Rate, and Threshold

Ideal for personal/workplace accumulated noise exposure

Stores 5 separate surveys including Start/Stop Time, %Dose, TWA and Peak flags

RS-232 port with serial cable

Windows® compatible software to setup and retrieve the the stored data for further analysis

Extech Instruments

407355-KIT-5

Sound Level Datalogging Kit with 5 Dosimeters and Sound Calibrator

Includes five 407355 Noise Dosimeters with microphones, serial cable and PC Software

Includes 407766 94/114dB Sound Calibrator

Complete with hard plastic carrying case

407703A

54 to 126dB Sound Level Meter with ±2dB Accuracy

Measurement range from 54 to 126 dB in 7 ranges

Accuracy: ± 2dB @ 94dB, 1000Hz

Analog output for connection to chart recorders, dataloggers, etc.

Selectable weighting (‘A’ or ‘C’) and response time (Fast or Slow)

Tripod mount and 9V battery powered

Ideal for field use including: noise ordinance violations, community/traffic noise measurements, acoustic studies and stereo balancing

Extech Instruments

407730

40-130dB Meter featuring large LCD display with analog bargraph

±2dB accuracy with 0.1dB resolution

A+C weighting

AC analog output

Record Max/Min values over time

Utilizes 0.5"(12.7mm) electret condenser microphone

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