EXTECH 407744 사운드 캘리브레이터

Frequency: 1000 Hz /±5%

Sound Pressure Level: 94dB /±0.5dB (94dB)

Distortion <2% Total Harmonic Distortion (THD)

Operating Temperature: 32 to 122°F (0 to 50°C)

Power Supply: Two Heavy duty, alkaline 9V Battery

Power consumption: Approx. 10mA DC

Dimensions: 2.2" diameter x 5.6" long (50 x 127mm)

Weight: 0.75

Complete with two 9V batteries, carrying case, and screwdriver

Detail
Features
  • Calibrates and verifies Sound Level Meter operation
  • For use on Sound Level Meters with 0.5" or 1.0" microphones
  • Durable die-cast, aluminum housing
  • Total Harmonic Distortion (THD) <2% at 94dB
  • Complete with two 9V batteries, carrying case, and screwdriver
  • Battery test position with battery status LED indicates if battery is good
  • 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB

Manual

Datasheets

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