特色

測量範圍 : 30dB ~ 130dB(分貝) 測量頻率範圍 : 31.5 ~ 8000Hz 精確度 : ±1dB (94dB/1KHz) 符合國際規範IEC61672 Class2 A/C頻率加權及時間加權選擇'快&慢選擇 可抓取最大噪音值功能 AC電壓訊號輸出 Size : 260 x 87 x 36mm. FEATURES

Frequency weighting networks are designed to meet the IEC 61672 CLASS 1. Large LCD display, easy to read. A & C weighting networks are conformity to standards. FAST & SLOW dynamic characteristic modes. AC output for system expansion. Build in adj. VR, available for easy calibration. Condenser microphone for high accuracy & long-term stability Build max. hold reset switch. Max. Hold function for stored the maximum value on display Warning indicator for over and under load. LCD display for low power consumption & clear read-out even in bright ambient light condition. Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case. Compact and light weight plastic housing. Low battery indicator. 型錄請參考上偉通信資訊服務網 http://www.sunwe.com.tw：新品保固一年，滿3000元以上免運費專業的工程安裝及精確維修以＂合法、專業＂服務優質客戶，詢問正確價格或修理請來電 » 02-22267567上偉科技服務中心洽詢