设计标准:
----a. 国际委员会iec651 type2标准
----b. 美国国家标准ansi s1.4 type2
*测量范围:
----30~130 dba
----35~130 dbc
*度:±1.5 db
*数位&分辨率:5位 & 0.1 db
*频率响应:31.5hz ~8.5khz
*测量档位:30~130, 40~90, 50~100, 60~110, 80~130
*频率加权特性: a(模拟人耳)& c(机械自身噪音)
*时间特性选择:快速/慢速反应速率
*取样频率:2次/秒
*麦克风:1/2英寸电容式麦克风
*ac/dc信号输出
*Zui大值锁定
*过载显示:over / under符号表示
*低电显示
*自动关机/取消自动关机
*包装方式:pp盒+彩盒
*电源:9v电池1颗或dc 6v 100ma直流电源
*产品尺寸:207*70*29毫米
*产品净重:178克(含电池)
*this unit was
designed according to following standards:
----a. international electrician committee standard: iec pub 651
type2
----b. us national standard: ansi s1.4 type2
*measuring
range:
----30~130 dba
----35~130 dbc
*accuracy: ±1.5 db
*digit & resolution: 5位& 0.1 db
*frequency response: 31.5hz ~8.5khz
*measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
*frequency weighting characteristic: a & c
*time weighting: fast/slow
*sampling rate: 2times/second
*microphone:1/2inch polarization capacitance microphone
*ac/dc output
*max reading
*overload indication: over / under
*low battery indication
*auto power off / cancel “auto power off”
*packing method: pp box + gift
box
*power: 9v 6f22 battery * 1pcs or dc 6v 100ma adapter(not
included)
*dimension:
207*70*29mm
*weight:308g (including batteries)
*standard qty per carton: 20pcs
*standard export carton size: 67*46*31cm
*standard export carton weight: 28kg
本产品的加工定制是否,品牌是标智BENETECH,型号是GM1358,类型是数字式噪音计,测量范围是30~130dB,测量精度是±1.5dB,工作温度是0~40(℃),尺寸是70*30*207(mm),重量是含电池(0.23)(kg)