超声波原厂制造商供应数字噪声计
特征
1. IEC pub 651 type2
2. ansi s1。 4 type2
3.交流/直流输出
最大读数;
条形码指示值
6.电池电量低
7.过载指示:过/欠
规格
*本机根据以下标准设计:
A.国际电工委员会标准:IEC PUB 651 TYPE2
B.美国国家标准:ANSI S1。 4TYPE2
*测量范围:30〜130dBA; 35〜130dBC
*准确度:+ _1。 5dB
*数字和分辨率:5digit和0.1dB
*频率响应:31.5Hz〜8。 5KHz
*测量级别:30〜130,40〜90,50〜100,60〜110,80〜130
*频率加权特性:A&C
*时间加权:快/慢
*采样率:2次/秒
*麦克风:1/2英寸极化电容麦克风
* AC / DC输出
*最大读数
*条形码指示值
*过载指示:过/欠
*电池电量低
*电源:1. 5VAA * 4 pcs或DC 6v 100mA适配器
*尺寸:256 * 70 * 35mm
Ultrasonic original manufacturer supply digital noise meter
Features
1. IEC pub 651 type2
2. ANSI S1. 4 type2
3. AC/DC output
4. Max reading;
5. Barcode indicate the value
6. Low battery indication
7. Overload indication: over/under
Specifications
*This unit was designed according to following standards:
A. International electrician committee standard: IEC PUB 651 TYPE2
B. US national standard: ANSI S1. 4TYPE2
*Measuring range: 30~130dBA; 35~130dBC
*Accuracy: +_1. 5dB
*Digit& resolution: 5digit & 0. 1dB
*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: 1/2 inch polarization capacitance microphone
*AC/DC output
*Max reading
*Barcode indicate the value
*Overload indication : over/under
*Low battery indication
*Power: 1. 5VAA*4 pcs or DC 6v 100mA adapter
*Dimension: 256*70*35mm