เครื่องเปรียบเทียบระดับเสียง
Product Description
This is a brand new CEM SC-05 industrial sound level meter calibrator. This divice is designed to calbrate sound meters with 1/2″ microphone. This calibrator complies sith IEC 942 Class 2 Standard. Its compact size makes the divice very easy to carry and handle. Ideally, the sound meter should be calibrated once a year.
FEATURES
Dual sound pressure outputs at 94 dB and 114 dB which can be selected by a switch.
Operates on a single 9V battery.
Auto sound off on low battery to ensure accurate performance.
SPECIFICATIONS
Output sound pressure levels: 114dB and 94 dB
Outupt frequency: 1000Hz +/- 4%
Reference conditions: temperature at 23 deg C (73 deg F); Air pressure at 1013 mbar; Humldity at 65%RH
Accuracy: +/- 0.5dB
Power: 9V battery
Compliance: IEC 92 Class2
Dimensions: 120 (L) x 51 (W) x 43 (H) mm
Weight approx. 130g