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Tenmars ST-120 Class1 Sound Level Calibrator

Model No.: : ST-120
Product Description

IEC 60942:2003 Class1/ANSI S1.40-1984.
● Output sound level : at 94dB and 114dB.
● Frequency :
1KHZ ±1%, Class1, A
● Accuracy : 94±0.3dB 114±0.5dB Specifications
● Sound pressure levels : at 94dB and 114dB.
● For 1/2" condenser microphone calibration.
● Low battery indication.
● Harmonic waves distortion ±3%.
● Output feedback detection.
● Power: 9V battery 006P or IEC6F22 or NEDA 1604
● Operation environments :
23.0oC ±3oC <85%RH ,850mbar~1050mbar, ≦2000M

 

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