声级计IEC651 Type 2, ANSI S1.4 2型 产品ID: dsl - 330

Commonly used in noise pollution studies for the quantification of almost any noise, the 声级计 测量声压级. 特别是对于工业, 环境及飞机噪音, this meter is the most appropriate and accurate one. As a leading Taiwanese manufactures of high quality test and measurements, our 声级计 performance is conformed to the international standard, IEC61672:2003.


If you are interested in our products, please feel free to contact us anytime. The followings are the brief introduction for our dsl - 330 and dsl - 332 声级计, take a look and find the most suitable one for your needs.

1. dsl - 330:

证书:CE

 
dsl - 330声级计规格:
  • 标准适用:IEC651 Type 2, ANSI S1.4 2型
  • 频率范围31.5赫兹~ 8 khz
  • 测量电平范围:30 ~ 130dB
  • 频率加权:A / C
  • Microphone : 1/2 inch electric condenser microphone
  • 显示液晶背光功能
  • 数字显示4位,分辨率:0.显示更新:0.5秒
  • Time Weighting FAST (125mS); SLOW(1 Sec)
  • Level Range : Lo: 30 ~ 80dB ; Med: 50~ 100dB, Hi: 80~ 130dB;  
  • 精度+ / - 1.5dB(参考条件下94dB 1KHz)
  • 测量电平范围:30 ~ 130dB
  • 动态范围:100db
  • 上下量程指示功能
  • "OVER" is displayed, while input is more than the upper limit of the range. ; "UNDER" is displayed, while input is less than the lower limit of the range.
  • 最大/最小举行
  • 读取最大值和最小值
  • AC Output 1V RMS at FS (Full Scale), output impedance: Approx. 100 Ω
  • 直流输出10mV/dB,输出阻抗约为. 1K Ω
  • 自动关机无操作时,自动关机30分钟
  • 一般特征 
  • 电源要求:一件9V电池NEDA 1604
  • 使用寿命约50小时(碱性电池)
  • AC Adapter (option) Voltage 9VDC (8~ 15 V DC Max) ; Supply current : > 30mADC
  • 工作温度0 ~ 40℃(32 ~ 104ºF)
  • 工作湿度10 ~ 90% RH
  • 存储湿度10 ~ 75% RH
  • 重量:10盎司(285克)
  • Accessories: 9V battery, Carrying case, calibration screwdriver, 3.5Ø插头,挡风玻璃,和业主手册.
  • Tripod Connection Hole Able to connect Camera Tripod Stand
  • 三脚架(可选dsl - 330-ST)


 
比较图 dsl - 330 dsl - 332
范围: 30 ~ 130 dB 35 ~ 130 dB
自校准 不可用 是的
开关 推式 滑动类型
交流到直流9V采用器 是的,但选择 不可用





Q& A:
Do you know if the ​" ​auto power-off​ "​ function is de-activated when the dsl - 330 SLM is connected to 9 volt AC power?
Answer : After you switched the power-on, the power-off will be active. 
If you don't want this function, you should choose another model
dsl - 330 a. 该型号是自动关机禁用.
请参考下面的链接.