一、产品简介
One, product introduction
AR814噪音计测量范围:30~130dB,模拟棒条动态显示,高精度4分频段测量,30*50mm大屏幕LCD显示。
AR814 noise meter range : 30 ~ 130dB, the analog stick a dynamic display, high precision frequency measurement with 4 points, 30 * 50mm large screen LCD display.
二、技术指标
Two, technical indicators
★测量范围:A加权30~130dB C加权35~130dB
Of measurement range: 30 ~ 130dB C A weighted weighted 35 ~ 130dB
★测量精确度:±1.5dB
Of measurement accuracy: + 1.5dB
★频率响应:31.5HZ-8.5KHZ
Frequency response: 31.5HZ-8.5KHZ.
★动态范围:50dB
Dynamic range: 50dB.
★AC/DC信号输出:√
AC / DC signal output:.
★自动关机功能:√
Automatic shutdown function:.
★低电显示功能:√
Low power display function: *.
★过载提示:√
Tips: what of overload
★数位及分辨率:5Digits & 0.1dB
In the digital and resolution: 5Digits & 0.1dB
★动态特性选择:Fast/Slow
Dynamic properties of choice: Fast / Slow
★麦克风:1/2英寸电容式麦克风
Mike: of 1 / 2 Inch Electret Condenser Microphone
★频率加权特性:A & C
Of frequency weighting: A & C
★测量档位选择:√
In the measurement of gear selection:.
★最大值锁定:√
Maximum: the lock.
★取样频率:2 times/sec
Of the sampling frequency: 2 times / sec
★供电:9V碱性电池或者电源适配器
Of power: 9V alkaline batteries or power adapter
★产品颜色:象牙白
Of product color: ivory white
★产品净重:178g
Product net weight: 178g.
★标准外箱容量:20
In the standard tank capacity: 20
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