Preamplifier Type 2699

Preamplifier Type 2699

2699 型

CCLD，A计权传声器前置放大器

设计用于消除车内测量时由身体轰鸣和道路噪声引起的低频干扰。

2699 型

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2699型使用内置A计权滤波器，以消除由车身轰鸣和道路噪音引起的低频干扰，否则这些干扰会在车内测量中成为误差来源。其坚固紧凑的设计意味着您可以在各种环境条件下使用2699型。

直接连接到 DeltaTron 输入
电流输出允许使用长且便宜的同轴电缆
内置 A 加权滤波器，用于车内噪声信号抑制
双极性过载检测功能
低噪声和高动态范围
CE 和澳大利亚 C-tick 合规

DeltaTron® A-weighted Microphone Preamplifier — Type 2699

Data Sheets

English

TYPE 2699
Polarization	CCLD
Lower frequency	10 Hz
Higher frequency	20 kHz
Diameter	1/2 inch
Minimum Temperature	-20 °C
Maximum Temperature	60 °C
Minimum Temperature	-4 °F
Maximum Temperature	140 °F
Connector	BNC
Calibration facility	None

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