YOKOGAWA pk200-a73電氣轉(zhuǎn)換器是一款高性能的電流-氣壓轉(zhuǎn)換器：
一、產(chǎn)品概述
YOKOGAWA pk200-a73電氣轉(zhuǎn)換器屬于YOKOGAWA PK200系列產(chǎn)品，是橫河電機(jī)推出的一款電流-氣壓轉(zhuǎn)換器。它主要用于將4~20mA的電流信號轉(zhuǎn)換為3~15psi（或20~100kPa）的氣壓信號，廣泛應(yīng)用于各種工業(yè)過程控制系統(tǒng)中，特別是需要將電子信號轉(zhuǎn)換為氣動執(zhí)行器驅(qū)動信號的場合。
二、主要特點
高精度與線性度：
轉(zhuǎn)換器具有很高的精度和線性度，確保輸出信號與輸入信號的比例關(guān)系準(zhǔn)確。
精度達(dá)到±0.5%of span，線性度達(dá)到±0.2%of span。
高可靠性：
采用工業(yè)級設(shè)計，具有較高的可靠性和穩(wěn)定性，適用于惡劣的工業(yè)環(huán)境。
轉(zhuǎn)換器具有/FF1爆炸-證明認(rèn)證，確保在危險環(huán)境中（如Class I，Division 1標(biāo)準(zhǔn)區(qū)域）也能安全運行。
低氣耗：
氣耗量低，能有效降低運行成本。在供氣壓力為140kPa時，空氣損耗僅為4Nl/min，而輸出空氣量可達(dá)110Nl/min。
易于安裝與維護(hù)：
結(jié)構(gòu)緊湊，重量輕（2.8kg），安裝方便。
提供1/2NPT女性電氣連接和1/4NPT女性空氣連接，確保與氣動系統(tǒng)的穩(wěn)定連接。
多種型號與配置：
可根據(jù)不同的應(yīng)用需求選擇不同型號和配置，如輸入信號可為420mA DC或1050mA DC。
電子反饋控制：
采用電子反饋控制，保證輸出信號的穩(wěn)定性。
內(nèi)置壓力表：
方便用戶觀察輸出壓力，提高操作便捷性。
三、技術(shù)參數(shù)
輸入信號：420mA DC（或1050mA DC，根據(jù)型號不同而異）
輸出信號：315psi（或20100kPa）
精度：±0.5%of span
線性度：±0.2%of span
操作溫度范圍：-4080°C（-40176°F）
電氣接口：G1/2、G3/4、1/2NPT或3/4NPT內(nèi)螺紋（具體取決于型號）
空氣連接：1/4NPT女性
重量：2.8kg
四、應(yīng)用領(lǐng)域
YOKOGAWA pk200-a73電氣轉(zhuǎn)換器可用于各種工業(yè)過程控制系統(tǒng)，如化工、石油、電力等。它特別適用于控制氣動閥門的位置、各種儀表以及需要電子信號轉(zhuǎn)換為氣動執(zhí)行器驅(qū)動信號的場合。
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.
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