YOKOGAWA pk200-a73电气转换器是一款高性能的电流-气压转换器：

一、产品概述

YOKOGAWA pk200-a73电气转换器属于YOKOGAWA PK200系列产品，是横河电机推出的一款电流-气压转换器。它主要用于将4~20mA的电流信号转换为3~15psi（或20~100kPa）的气压信号，广泛应用于各种工业过程控制系统中，特别是需要将电子信号转换为气动执行器驱动信号的场合。

二、主要特点

高精度与线性度：

转换器具有很高的精度和线性度，确保输出信号与输入信号的比例关系准确。

精度达到±0.5%of span，线性度达到±0.2%of span。

高可靠性：

采用工业级设计，具有较高的可靠性和稳定性，适用于恶劣的工业环境。

转换器具有/FF1爆炸-证明认证，确保在危险环境中（如Class I，Division 1标准区域）也能安全运行。

低气耗：

气耗量低，能有效降低运行成本。在供气压力为140kPa时，空气损耗仅为4Nl/min，而输出空气量可达110Nl/min。

易于安装与维护：

结构紧凑，重量轻（2.8kg），安装方便。

提供1/2NPT女性电气连接和1/4NPT女性空气连接，确保与气动系统的稳定连接。

多种型号与配置：

可根据不同的应用需求选择不同型号和配置，如输入信号可为420mA DC或1050mA DC。

电子反馈控制：

采用电子反馈控制，保证输出信号的稳定性。

内置压力表：

方便用户观察输出压力，提高操作便捷性。

三、技术参数

输入信号：420mA DC（或1050mA DC，根据型号不同而异）

输出信号：315psi（或20100kPa）

精度：±0.5%of span

线性度：±0.2%of span

操作温度范围：-4080°C（-40176°F）

电气接口：G1/2、G3/4、1/2NPT或3/4NPT内螺纹（具体取决于型号）

空气连接：1/4NPT女性

重量：2.8kg

四、应用领域

YOKOGAWA pk200-a73电气转换器可用于各种工业过程控制系统，如化工、石油、电力等。它特别适用于控制气动阀门的位置、各种仪表以及需要电子信号转换为气动执行器驱动信号的场合。

YOKOGAWA pk200-a73 electrical converter is a high-performance current to air pressure converter:

1、 Product Overview

The YOKOGAWA PK200-A73 electrical converter belongs to the YOKOGAWA PK200 series products and is a current air pressure converter launched by Yokogawa Electric. It is mainly used to convert 4-20mA current signals into 3-15psi (or 20-100kPa) air pressure signals, and is widely used in various industrial process control systems, especially in situations where electronic signals need to be converted into pneumatic actuator drive signals.

2、 Main features

High precision and linearity:

The converter has high precision and linearity, ensuring accurate proportional relationship between the output signal and the input signal.

The accuracy reaches ± 0.5% of span, and the linearity reaches ± 0.2% of span.

High reliability:

Adopting industrial grade design, it has high reliability and stability, and is suitable for harsh industrial environments.

The converter has/FF1 explosion proof certification, ensuring safe operation even in hazardous environments such as Class I, Division 1 standard areas.

Low gas consumption:

Low gas consumption can effectively reduce operating costs. When the gas supply pressure is 140kPa, the air loss is only 4Nl/min, while the output air volume can reach 110Nl/min.

Easy to install and maintain:

Compact structure, light weight (2.8kg), easy installation.

Provide 1/2NPT female electrical connection and 1/4NPT female air connection to ensure stable connection with the pneumatic system.

Multiple models and configurations:

Different models and configurations can be selected according to different application requirements, such as input signals of 420mA DC or 1050mA DC.

Electronic feedback control:

Adopting electronic feedback control to ensure the stability of the output signal.

Built in pressure gauge:

Convenient for users to observe output pressure and improve operational convenience.

3、 Technical parameters

Input signal: 420mA DC (or 1050mA DC, depending on the model)

Output signal: 315psi (or 20100kPa)

Accuracy: ± 0.5% of span

Linearity: ± 0.2% of span

Operating temperature range: -4080 ° C (-40176 ° F)

Electrical interface: G1/2, G3/4, 1/2NPT or 3/4NPT internal thread (depending on the model)

Air connection: 1/4NPT female

Weight: 2.8kg

4、 Application Fields

The YOKOGAWA pk200-a73 electrical converter can be used in various industrial process control systems, such as chemical, petroleum, power, etc. It is particularly suitable for controlling the position of pneumatic valves, various instruments, and situations where electronic signals need to be converted into pneumatic actuator drive signals.