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Tenmars ST-120 Sound Level Calibrator

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Class 1 Sound Level Calibrator
Model: 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

Product Description

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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