Extech 407780A
带 USB 的积分式噪音计
407780A 是一款带 USB 的积分式噪音计。该仪表采用 A 和 C 频率加权选项进行 Leq 和 SEL 测量。该仪表内置数据记录仪，可记录最多 32,000 条记录，并采用 PC 界面，可轻松访问记录的信息。其 4 位数多功能液晶显示屏可显示模拟条形图和数字读数。利用 407780A，您可以对积分时间进行编程，利用脉冲、快速或慢速响应设置，并从警报功能中受益。配有挡风板、调节螺丝刀、USB 线、Windows 兼容软件、电池、便携箱，并提供一年质保。
Specifications
| 一般参数 | |
|---|---|
| Analog Output | 交流/直流 |
| Memory | 32,000 条记录 |
| Microphone | 电容式，12.7mm |
| PC Interface | 是 |
| Response Time | 快/慢 |
| Sound Range [dB] | 30 至 130dB |
| Sound Range [dB] Basic Accuracy | ±1.5dB |
| Sound Range [dB] Max Resolution | 0.1dB |
| Weighting | A、C |
| 其他详情 | |
|---|---|
| Certifications | 407780A-NIST_S：CE、NIST 407780A_S：CE |
| Dimensions | 265 × 72 × 21mm |
| Warranty | 2 年 |
| Weight | 310g |
Resources & Support
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Software Download
Extech 407780A Software
User Manual
Extech 407780A User Manual
Certification
Extech 407780A Declaration of Conformity
Datasheet
Extech 407780A Datasheet
Export Restrictions
The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.