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Product name: 882A新型数字式声级计
specification: 882A新型数字式声级计
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Category: instrumentation and meters -- 声学仪器
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Price: factory price
Brand: Shanghai
Place of Origin: China
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Available Quantity: batch
delivery cycle: Spot goods (or inquire by telephone)
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  Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

Email 91way@163.com
Wechat 13901609058(Wechat)


882A新型数字式声级计Detailed product description:Column tabs
882A新型数字式声级计

功能
数位显示 Digital display: 5 digits LCD.
测量范围 Measuring level: 30~130 dBA, 30~130 dBC.
分辨率 Resolution:0.1dB.
精确度 Accuracy: ±1.5 dB (under reference conditions) .
频率响应 Frequency range: 31.5 Hz~ 8.5K Hz .
动态范围 Linearity range: 50 dB .
频率加权特性 Frequency weighting: A, C .
模似条图 Bar graph: 50 dB scale at 1 dB step for monitoring 
测量量程 Level ranges:30-80 dB; 50-100 dB;
            60-110 dB; 80-130 dB.
动态特征 Time weighting: Fast / Slow .
麦克风 Microphone: 1/2 inch Electret Condenser microphone .
最大值锁定 Max: Maximum hold .
电源 Power supply: 1*9V alkaline cells or DC 9V adapter < Power life: About 30 hrs >.
开机自检时间 Self calibration time: 10 sec (every turn on) .
机身尺寸 Dimensions: 220×67×32mm .
重量 Weight: 约approx. 210g(含电池including battery).

882A新型数字式声级计
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