Extech 407790A
实时倍频带分析仪
Extech 的这款 2 类积分式声级计配有 320×240 点阵彩色背光液晶显示屏，可实现倍频和 1/3 倍频带实时显示。
Specifications
| 一般参数 | |
|---|---|
| Analog Output | 交流输出：1 Vrms（满量程时）；直流输出：3.0V，25mV/dB |
| Frequency Bandwidth | 25Hz ~ 10kHz |
| Memory | microSD 卡（含） |
| Microphone | 电容式，13.2mm |
| Response Time | 快、慢、10ms (t)、I |
| Sound Range [dB] | 20 至 90dB、20 至 100dB、20 至 110dB 和 30 至 120dB、40 至 130dB |
| Sound Range [dB] Basic Accuracy | ±1.5dB (ref 94dB @ 1kHz) |
| Weighting | A、C 和 Z |
| 其他详情 | |
|---|---|
| Certifications | 407790A-NIST_S：CE，NIST 407790A_S：CE |
| Dimensions | 345 × 100 × 60mm |
| Power | 4 节 C (1.5V) 电池/外接 6V，1A 直流电源 |
| Warranty | 2 年 |
| Weight | 950g |
Resources & Support
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Software Download
Extech 407790A Software
User Manual
Extech 407790A User Manual
Certification
Extech 407790A Declaration of Conformity
Datasheet
Extech 407790A 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.