EXTECH SOUND LEVEL CALIBRATOR 407744.
Features :
- Calibrates and verifies Sound Level Meter operation
- For use o n Sound Level Meters with 0.5INC or 1.0INC microphones
- TotalHarmon ic Distortion (THD) <2% at 94dB
- Meets IEC standard 609421997-11< li> Complete with two 9V batteries, carrying case, andscrewdriver
- Battery test position with battery status LED indicatesif battery is good
- 1kHz sine wave at 94dB is generated to anaccuracy of 5% (frequency) and +/- 0.8dB.
Hubungi Kami :
PT.HARAPAN UTAMA INDONESIA
Telp. (021( 62200523
ptharapanutamaindonesia@gmail.com
salesflowmeter@gmail.com