SOUNDTEK
Sound Level Calibrator
(Model No.: ST- 120)
Quality Product ~ Made in Taiwan

SPECIFICATIONS:

• 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