CENTER 320 Sound Lever Meter IEC 651 Type II Level Range Display Simultaneous MAX MIN Measurement 4 digits Display Auto Power Off AC DC Signal Output Resolution 0.1 dB update cycle 0.5 s Microphone: Electorate condenser microphone Accuracy: ±1.5 dB ( ref 94dB @1KHz ) Level Range: Lo = 30 ~ 80 dB Med = 50 ~ 100 dB Hi = 80 ~ 130 dB Frequency Weighting: A , C Time Weighting: Fast , Slow Auxiliary Outputs: AC output Output voltage: 1Vrms (at full scale) Output impedance: Approx:600Ω AC output Output voltage: 10mV / dB Output impedance: Approx:50Ω Dynamic Range: 50 dB Frequency Range: 31.5Hz to 8KHz Battery Type: 9V Battery NEDA 1604, IEC 6F22, JIS 006P Battery Life: 50 hours ( with alkaline battery ) Operation Temp.: 0°C~ 40°C(<80% R.H.) 9V Battery, Carrying Case, Calibration Screwdriver, Windscreen
**批发、零售闽台群特(CENTER)产品。 主要产品有:噪音计,照度计、温度计、温湿度计、温度记录仪、万用表、钳型表、、绝缘测试仪等仪表。 -------------------------------------------------------------------------------- 联系方式: Tel:/ Fax: Email: Q Q