Hewlett Packard 44701A 数字电压表

Hewlett Packard 44701A 数字电压表  

1.产 品 资 料 介 绍：

核心特性与规格

1. 属于插卡式模块，必须配合 HP 3852A 数据采集 / 控制主机使用。
2. 显示精度为5 1/2 位（最高 599,999 计数），可向下切换至 4 1/2、3 1/2 位。
3. 采用积分式 A/D 转换技术，抗干扰能力强，适合在嘈杂工业环境中测量微弱信号。
4. ** 直流电压（DCV）** 量程：30mV、300mV、3V、30V、300V。
5. 直流电压最高精度：±(0.008% + 8μV)（3V 量程）。
6. ** 交流电压（ACV）** 量程：200mV、2V、20V、200V（真有效值）。
7. 电阻测量：支持 2 线与 4 线法，量程 30Ω ~ 3MΩ，精度达 ±0.015%。
8. 可配合多路复用卡（如 447xxx 系列）扩展为多通道数据采集系统。
9. 支持测量温度（热电偶、RTD、热敏电阻）及应变信号。
10. 具备可编程分辨率、测量速度与噪声抑制能力，可按需平衡精度与速度。
11. 最大输入电压：350V 峰值（AC）或 250V（DC），提供过压保护。
12. 接口为HP-IB（IEEE-488/GPIB），支持远程编程与自动测试系统集成。
13. 工业级设计，适应7×24 小时连续数据采集与监控。
14. 为停产经典型号，市场流通以二手、翻新及库存备件为主。
15. 主要应用于半导体测试、航空航天、工业过程监控、实验室精密测量等领域。

Hewlett Packard 44701A 数字电压表  产品英文

Hewlett Packard 44701A is a 5 1/2 bit high-precision integral digital voltmeter module designed specifically for the HP 3852A data acquisition host, providing accurate voltage and resistance measurements, suitable for industrial automation and laboratory testing scenarios.

Core Features and Specifications

It belongs to the plug-in card module and must be used in conjunction with the HP 3852A data acquisition/control host.

The display accuracy is 5 1/2 bits (up to 599999 counts), which can be switched down to 4 1/2 and 3 1/2 bits.

Adopting integral A/D conversion technology, it has strong anti-interference ability and is suitable for measuring weak signals in noisy industrial environments.

**DC Voltage (DCV) * * Range: 30mV, 300mV, 3V, 30V, 300V.

Maximum accuracy of DC voltage: ± (0.008%+8 μ V) (3V range).

**AC Voltage (ACV) * * Range: 200mV, 2V, 20V, 200V (true RMS).

Resistance measurement: Supports 2-wire and 4-wire methods, with a range of 30 Ω~3M Ω and an accuracy of ± 0.015%.

Can be expanded into a multi-channel data acquisition system with the use of multiplexing cards (such as the 447xxx series).

Support temperature measurement (thermocouple, RTD, thermistor) and strain signal.

Capable of programmable resolution, measurement speed, and noise suppression, balancing accuracy and speed as needed.

Maximum input voltage: 350V peak (AC) or 250V (DC), providing overvoltage protection.

The interface is HP-IB (IEEE-488/GPIB), which supports remote programming and automatic testing system integration.

Industrial grade design, suitable for 7 × 24-hour continuous data collection and monitoring.

To discontinue the classic models, the market circulation mainly consists of second-hand, refurbished, and inventory spare parts.

Mainly used in semiconductor testing, aerospace, industrial process monitoring, laboratory precision measurement and other fields.

This module, with its excellent accuracy and stability, has become a key component in the maintenance, calibration, and high-precision data acquisition projects of old automation systems.

Hewlett Packard 44701A 数字电压表   产品展示

产品视频

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The content is from Ruichang Mingsheng Automation Equipment Co., LTD

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