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北京北方华瑞仪器仪表有限公司是一家股份制高科技公司。是一家致力于自动化及仪表领域发展的高科技企业，是集科、工、贸于一体，面向各行业的专业化公司。主营产品有：温湿度记录仪、流量开关、压力开关等。公司密切注视国内外自动化领域的技术发展趋势，结合国内生产的实际情况，在自动化领域形成了自己*的优势。我公司致力于*控制技术的开发。同时凭借自身在自动化领域的丰富的经验，为冶金、机械、纺织、石化、轻工、能源、交通、水处理、暖通空调、楼宇自控、气体分析等领域的自动化控制提供咨询、设计、生产等*的技术支持和服务。

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产品简介在线询价

北京北方华瑞公司的EA-DKS压力开关，是智能显示的压力开关，具有精度高，回差小，使用寿命长等特点，*可以替代进口产品。

智能压力控制器产品详情

DK系列压力控制器

DK Series Pressure Controller

使用说明书

User’s Manual

　　　　　　　　目　　录

Contents

1、概述

Overview

2、 DK系列单触点控制器

DK Series Single-Contact Controller

3、 DK系列双触点控制器

DK Series Dual-Contact Controller

4、 DK系列防爆控制器

DK Series Explosion-Proof Controller

5、售后服务

After-Sales Service

6、订货需知

Intended orders

7、随产品附件

Product Accessories

概　述

Overview

1、主要用途与适用范围

1. Main purpose and scope of application

DK系列压力控制器（以下简称控制器）用于石油、化工、冶金、电力、制糖、制药等自动化控制系统中，在系统中作连锁保护器的作用。其中金属波纹管式控制器用于以上各种腐蚀性气体和液体介质，橡胶膜片式控制器用于中性气体和液体介质。

The DK Series pressure controller （hereinafter referred to as ‘the Controller’） are used for the petroleum, chemical, metallurgy, electricity, sugar, pharmaceutical and other automated control system, acting as a chain protector in the system. Among them, the metal bellows-type controller is used for more than a variety of corrosive gases and liquids, and the rubber diaphragm controller for neutral gases and liquids.

2、产品标准：Q/CRK02－2004

2. Product standards: Q/CRK02-2004

3、工作原理

3. Working principle

介质通过压力接口进入传感器，传感器内设弹性元件，它根据介质压力的变化发生相应位移。传感器则将带动控制器内部传动机构将作用力传到微动开关触点上。在此作用力下微动开关触点相应产生位移，当位移量超过触点行程时，微动开关发生通断动作。

Medium come into the sensor via the pressure interface. The sensor is set with elastic elements inside, and its corresponding displacement depends on the pressure changes of medium. The sensor drives the transmission mechanism inside the controller, which brings the force to the contacts on the micro-switch. In this force, the corresponding displacement occurs to the micro-switch contacts. When the displacement exceeds the contact trip, micro switch will have on-off action.

DK单触点控制器

DK Single Contact Controller

□、主要技术条件

The main technical conditions

1.1、外壳：

1.1. Shell:

　　铝：环氧树脂涂层

Aluminum: Epoxy resin coating

外壳用螺栓固

Shell is screwed with bolts

紧

1.2、开关触点

1.2. Switch contacts

　　一个微动开关

A micro-switch

1.3、电气接口：

1.3. Electrical interface:

　　输出电缆　　10mm直径电缆线

Output cable: cables of 10mm in diameter

　　电缆接线　　通过内部夹紧导线板

Cable wiring: wire board clamped inside

　　安全引线　　一个内接线柱

Safety pin: one internal terminal

1.4、技术指标

1.4. Technical Specifications

工作粘度 ≤ 1 x 10^-3m²/s

Working viscosity ≤ 1 x 10^-3m²/s

环境温度：-15℃~+55℃

Ambient temperature: -15 ℃ ~ +55 ℃

环境湿度：5%~95%

Environmental humidity: 5% ~ 95%

重复性误差：<1.5%

Repeatability error: <1.5%

使用寿命：10⁵次循环

Life: 10⁵ cycles

　　　抗振性：＜Max.2g

Anti-vibration: <Max.2g

外壳保护等级：IP54

The shell protection grade: IP54

额定负荷： V_max= 380V 　Z_max= 5A

Rated load: Vmax = 380V Zmax = 5A

□、产品规格　

Product specifications

型　号

量程MPa

（KPa）

切换差MPa（KPa）

zui大允许

压力MPa

切换频率

传感器

材质

Adjustment of set value of the controller

　1.1、不可调切换差的控制器设定值调节步骤：

1.1. The steps for the adjustment of the set value of controller with non-adjustable switching difference:

　　　例一、要求压力上升至0.3MPa（上切换值）控制器发出触点信号

Example 1: requiring that the controller issues a contact signal as the pressure goes up to 0.3MPa （upper switching value）

a. 松开压紧块，将控制器过程接口旋入压力校验台螺纹接口上，注意必须用扳手夹持传感器平面部分；

a. Release the pressing block, the process interface of the controller screwed down screw interface of pressure calibration Taiwan. Attention must be paid to using a wrench to grip the flat part of the sensor;

b. 打开盖板，将电缆线穿过电缆接头接入接线端子中，电缆的另一头接上万用表；

b. Open the cover, the cable through the cable connector and access to terminal block, the other end of the cable is connected to a multimeter;

c. 将压力加至0.3MPa（上切换值）；

c. Increase the pressure to 0.3MPa （upper switching value）;

d. 顺时针调节设定值调节螺杆，使设定值由大变小，直至微动开关在0.3MPa处切换；

d. In a clockwise direction, adjust the settings adjustment screw, so that the settings change from small to larger, until micro-switch acts at the point of 0.3MPa;

e. 旋紧压紧块，调节压力校验台的压力，使压力在是否是0.3MPa，此时的下切换值应是0.3MPa减去切换差。

e. Screw down the pressing block, adjust the pressure of the pressure calibration units, so that the pressure changes around 0.3MPa, testing the upper switching value of the contact whether it is 0.3MPa, at this time under the switch value shall be less 0.3MPa switching differential.

例二、要求压力下降至0.1MPa（下切换值）时控制器发出触点信号

Example 2: requiring that the controller issues a contact signal as the pressure decreases to 0.1MPa （lower switching value）

f. 松开压紧块，将控制器过程接口旋入压力校验台螺纹接口上，注意必须用扳手夹持传感器平面部分；

f. Release the pressing block, have the process interface of the controller screwed down onto the thread interface of the pressure calibration unit, attention must be paid to using a wrench to grip the plane part of the sensor;

g. 打开盖板，将电缆线穿过电缆接头接入接线端子中，电缆的另一头接上万用表；

g. Open the cover, induce the cable through the cable connector and have it connected to the terminals, the cable's other end is connected to a multimeter;

h. 将压力加至0.1MP；

h. Have the pressure increased to 0.1MP;

i. 逆时针调节设定值调节螺杆，使设定值由小变大，直至微动开关在0.1MPa处切换；

i. In counterclockwise, adjust the screw for the settings adjustment, enable the settings to change from small to larger, until the micro-switch acts at 0.1MPa;

j. 旋紧压紧块，调节压力校验台压力，力在0.1MPa上下来回变化，检验触点的下切换值是否是0.1MPa，此时的上切换值是0.1MPa加上切换差。

j. Screw down the pressing block, and adjust the pressure of the pressure calibration unit, making it change around 0.1MPa. Check to see if the switch value of the lower contact is 0.1MPa. At this moment, the upper switching value is 0.1MPa coupled with switching difference.

1.2、可调控制器设定值调整步骤：

1.2. The steps for the adjustment of the set value of the adjustable controller:

例三、要求压力上升到0.4MPa时控制器发出　触点信号，压力下降至0.1MPa是触点返回

Example 3: requiring that the controller issue a contact signal as the pressure goes up to 0.4MPa, and contact goes back as the pressure decreases to 0.1MPa

k. 松开压紧块，将控制器过程接口旋入压力校验台螺纹接口上，注意必须用扳手夹持夹持传感器平面部分；

Release the pressing block, the process controller interface will be screwed down screw interface of pressure calibration units, attention must be paid to using a wrench to grip the flat part of the sensor;

l. 打开盖板，将电缆线穿过电缆接头接入接线端子中，电缆的另一头接上万用表；

Open the cover, induce the cable through the cable connector and access to terminal block and the other end of the cable connected to a multimeter;

m. 将压力加至0.1MPa逆时针旋动设定值调节螺杆，使设定值由小变大，直至微动开关在0.1MPa处切换；

Have the pressure increased to 0.1MPa and screw counterclockwise the adjustment settings screw, so the settings change from small to larger, until the micro-switch acts at 0.1MPa;

n. 再将压力加至0.4MPa，逆时针旋动切换差调节螺杆，使切换差由小变大，直至微动开关在0.4MPa处切换；

Then the pressure is increased to 0.4MPa, moving counter-clockwise the switch difference adjustment screw, so that switching difference changes from small to larger until the micro-switch acts at 0.4MPa;

o. 旋紧压紧块，调节压力校验台的压力，使压力在0.1MPa-0.4MPa之间来回变化，检验压力上升时切换值是否是0.4MPa，压力下降时切换值是否是0.1MPa。

Tighten up the pressing block, and adjust the pressure of the pressure calibration unit, making the pressure change in the range of 0.1MPa-0.4MPa. Check whether the switch value is 0.4MPa as the pressure rises, and whether the switch value is 0.1MPa as the pressure declines.

□、控制器的选用

The choice of controller

1、通断电流不得大于额定值

1. On-off current shall not exceed the rating value.

2、使用时设定值位于控制器调节范围的中间部分

2. Better the settings are in the middle part of adjustment range of the controller in use

3、若安装在室外，应给予足够的保护，以免受腐蚀性气体及水的渗入。

3. If installed outdoors, enough protection shall be given against corrosive gases and water infiltration.

□、单刀双掷微动开关作用过程

The role of the process of SPDT Micro Switch

单刀双掷微动开关作用过程：

Role in the process of SPDT Micro Switch:

接线端1—3：压力上升*切换值时接通；

Terminal 1-3: connected as the pressure rises to the switch value;

接线端1—2：压力上升*切换值时断开

Terminal 1-2: Disconnected as the pressure increases to the switch value

□、外形及安装尺寸

Appearance and dimension

DK系列双触点控制器

DK Series Dual Contact Controller

□、主要技术条件

The main technical conditions

1.1、外壳：

1.1. Shell:

　　铝：环氧树脂涂层，外壳用螺栓固紧

Aluminum: epoxy coating, with the shell tightened with bolts

1.2、电气接口：

1.2. Electrical interface:

　　外接接插件

External connector

1.3、开关触点

1.3. Switch contacts

　　二个微动开关

Two micro-switches

1.4、技术指标

1.4. Technical Specifications

工作粘度 ≤ 1 x 10^-3m²/s

Working viscosity ≤ 1 x 10^-3m² / s

环境温度：-15℃~+55℃

Ambient temperature: -15 ℃ ~ +55 ℃

环境湿度：5%~95%

Environmental humidity: 5% ~ 95%

重复性误差：<1.5% 　注：　

Repeatability error: <1.5% Note:

使用寿命：10⁵次循环

Life: 10⁵ cycles

　　　抗振性：＜Max.2g

Vibration of: <Max.2g

外壳保护等级：IP54

Shell protection grade: IP54

额定负荷： V_max= 380V

Rated load: V max = 380V

　　　　　　　　　　Z_max= 5A

Zmax = 5A

□、产品规格

Product specifications

型　号

量程MPa

（KPa）

切换差MPa

（KPa）

zui大允许

压力MPa

切换频率

传感器

材质

□、设定值调整

Settings adjustment

例：接线端　1－3，4－6

Example: Terminal 1-3.4-6

低端设定值调整

Adjustment of the lower settings

⑴用扳手夹持传感器六方平面，将控制器旋入压力校验台压力接口（防止开关壳体与传感器发生相对转动）；

⑴ Use a wrench to grip the six-plane of the sensor, screw the pressure interface pressure of the controller calibration unit （absoluy prevent the relative rotation of switch and sensor housing）;

⑵打开盖板，将电缆一端接入接线柱1-3，另一端接上万用表；

⑵ Open the cover, one end of the cable gets access to terminal 1-3. Another termination on the multimeter;

⑶将压力加至所需值，松开锁紧器，顺时针旋动设定值调节螺杆①（如图1－2所示），使设定值由大变小，直至开关触点在所需值处切换；

⑶Increase the pressure to the desired value, release the lock, and moving clockwise rotation settings adjustment screw ① （as shown in Figure 1-2）, so settings from small changes until the switch contacts in the required to switch the value of the Agency;

设定值调整

Adjusting the upper settings

⑴将电缆一端接入接线柱（4－6），另一端接上万用表；

⑴ end of the cable access terminal （4-6） and another termination on the multimeter;

⑵将压力加至所需值，顺时针旋动设定值调节螺杆②（如图1－2所示），使设定值由大变小，直至开关触点在所需值处切换；旋紧锁紧器，调节校验台压力，使压力在所需切换值上下来回变化，检验触点是否在所需切换值处切换。

⑵Increase the pressure to the desired value, move clockwise the settings adjustment screw ② （as shown in Figure 1-2）, so the settings change from big to small until the switch contacts act at the required value; screw down the locking device, adjust the pressure of calibration unit, so that the pressure change around the value required for switching, check whether the contacts need to switch at the desired value.

DK系列防爆控制器

DK Series Explosion-Proof Controller

□、主要技术条件

The main technical conditions

1.1、外壳：

1.1. Shell:

　　铝：环氧树脂涂层，外壳用螺栓固紧

Aluminum: epoxy coating, with the shell tightened with bolts

1.2、电气接口：

1.2. Electrical interface:

　　输出电缆　　10mm直径电缆线

Output Cable: 10mm-diameter cable

　　电缆接线　　通过内部夹紧导线板

Cable Connection: the conductor plate clamped inside

　　安全引线　　一个内接线柱，一个外接线柱

Safety pin: one internal terminal, one external terminal

1.3、技术指标

1.3. Technical Specifications

　　　　工作粘度 ≤ 1 x 10^-3m²/s

Working viscosity ≤ 1 x 10^-3m2 / s

　　　环境温度：-15℃~+55℃

Ambient temperature: -15 ℃ ~ +55 ℃

　　　环境湿度：5%~95%

Environmental humidity: 5% ~ 95%

重复性误差：<1.5%

Repeatability error: <1.5%

　　　使用寿命：10⁵次循环

Life: 10⁵ cycles

　　　抗振性：＜Max.2g

Anti-vibration: <Max.2g

外壳保护等级：IP65

Shell protection grade: IP65

防爆类型：ExedIICT6

Explosion-proof type: ExedIICT6

额定负荷： V_max= 380V 　　Z_max= 5A

Rated load: Vmax = 380V Zmax = 5A

1.4、开关触点

1.4. Switch contacts

　　一个防爆微动开关

An explosion-proof micro-switch

1.5、ExedIICT5合格证编号：320042196X

1.5. Certification Number of ExedIICT5: 320042196X

□、产品规格　

Product specifications

型　号

量程MPa

（KPa）

切换差MPa（KPa）

zui大允许

压力MPa

切换频率

传感器

材质

Adjusting the controller settings

　1.1、不可调切换差的控制器设定值调节步骤：

1.1. steps for settings adjustment of the controller with not adjustable switching difference:

　　　例一、要求压力上升至0.3MPa（上切换值）控制器发出触点信号

Example 1: requiring that the controller issue a contact signal as the pressure increases to 0.3MPa （upper switch value）

p. 松开压紧块，将控制器过程接口旋入压力校验台螺纹接口上，注意必须用扳手夹持传感器平面部分；

Release the pressing block, screw down the process interface of the controller onto the thread interface of the pressure calibration unit. Attention must be paid to using a wrench to grip the plane part of the sensor;

q. 打开盖板，将电缆线穿过电缆接头接入接线端子中，电缆的另一头接上万用表；

Open the cover, induce the cable access through the cable connector and connect it to the terminal, the other end of the cable connected to a multimeter;

r. 将压力加至0.3MPa（上切换值）；

Increase the pressure to 0.3MPa （upper switch value）;

s. 顺时针调节设定值调节螺杆，使设定值由大变小，直至微动开关在0.3MPa处切换；

Adjust clockwise the settings adjustment screw, so that the settings change from big to small, until the micro-switch acts at 0.3MPa;

t. 旋紧压紧块，调节压力校验台的压力，使压力在0.3MPa上下来回变化，检验触　点的上切换值是否是0.3MPa，此时的下切换值应是0.3MPa减去切换差。

Tighten up the pressing block, and adjust the pressure of the pressure calibration unit, so that the pressure changes around 0.3MPa, check whether the switch value on the contacts is 0.3MPa. At this moment, the switch value shall be 0.3MPa less the switching difference.

例二、要求压力下降至0.1MPa（下切换值）时控制器发出触点信号

Example 2: requesting that the controller issue a contact signal as the pressure drops to 0.1MPa （lower switch value）

u. 松开压紧块，将控制器过程接口旋入压力校验台螺纹接口上，注意必须用扳手夹持传感器平面部分；

v. 打开盖板，将电缆线穿过电缆接头接入接线端子中，电缆的另一头接上万用表；

Open the cover, induce the cable access through the cable connector and connect it to the terminal, the other end of the cable connected to a multimeter;

w. 将压力加至0.1MP；

Increase the pressure to 0.1MPa;

x. 逆时针调节设定值调节螺杆，使设定值由小变大，直至微动开关在0.1MPa处切换；

Adjust clockwise the settings adjustment screw, so that the settings change from big to small, until the micro-switch acts at 0.1MPa;

y. 旋紧压紧块，调节压力校验台压力，力在0.1MPa上下来回变化，检验触点的下切换值是否是0.1MPa，此时的上切换值是0.1MPa加上切换差。

Tighten up the pressing block, and adjust the pressure of the pressure calibration unit, so that the pressure changes around 0.1MPa, check whether the switch value on the contacts is 0.1MPa. At this moment, the switch value shall be 0.1MPa less the switching difference.

1.2、可调控制器设定值调整步骤：

1.2. The steps for the adjustment of the set value of an adjustable controller:

例三、要求压力上升到0.4MPa时控制器发出触点信号，压力下降至0.1MPa是触点返回

Example 3: requesting that the controller issue a contact signal as the pressure increases to 0.4MPa, and the contacts back as the pressure drops to 0.1MPa.

z. 松开压紧块，将控制器过程接口旋入压力校验台螺纹接口上，注意必须用扳手夹持夹持传感器平面部分；

aa. 打开盖板，将电缆线穿过电缆接头接入接线端子中，电缆的另一头接上万用表；

Open the cover; induce the cable through the cable connector and access to terminal block and the other end of the cable connected to a multimeter;

bb. 将压力加至0.1MPa逆时针旋动设定值调节螺杆，使设定值由小变大，直至微动开关在0.1MPa处切换；

Have the pressure increased to 0.1MPa and screw counterclockwise the adjustment settings screw, so the settings change from small to larger, until the micro-switch acts at 0.1MPa;

cc. 再将压力加至0.4MPa，逆时针旋动切换差调节螺杆，使切换差由小变大，直至微动开关在0.4MPa处切换；

dd. 旋紧压紧块，调节压力校验台的压力，使压力在0.1MPa-0.4MPa之间来回变化，检验压力上升时切换值是否是0.4MPa，压力下降时切换值是否是0.1MPa。

□、控制器的选用

The choice of controller

1、通断电流不得大于额定值

1. On-off current shall not exceed the rating value.

2、使用时设定值位于控制器调节范围的中间部分

2. Better the settings are in the middle part of adjustment range of the controller in use

3、若安装在室外，应给予足够的保护，以免受腐蚀性气体及水的渗入。

3. If installed outdoors, enough protection shall be given against corrosive gases and water infiltration.

□、单刀双掷微动开关作用过程

SPDT Micro Switch process

单刀双掷微动开关作用过程：

The role process of SPDT switch:

接线端1—3：压力上升*切换值时接通；

Terminal 1-3: connected as the pressure rises to the upper switch value;

接线端1—2：压力上升*切换值时断开

Terminal 1-2: disconnected as the pressure rises to the upper switch value

□、外形及安装尺寸

Appearance and Installation Dimension

□、防爆压力控制器安装使用注意事项

Precautions for use and installation of explosion-proof pressure controller

①、本控制器适用于IICT6以上各种可燃性气体和蒸汽（见GB3836-1.2000附录B，可燃性气体、蒸汽级别、温度级别举例）。

1. The controller applies to a variety of combustible gas and steam of IICT6 and above （see Appendix B to GB3836-1.2000, with regard to the samples of combustible gas, steam level and temperature level）.

②、安装和拆卸时必须用扳手夹持传感器六方部分，不能使传感器与控制器壳体发生相对位移；

2. During the process of installation and dismantling, it is important to use a wrench to grip the six-part of the sensor, avoid the sensor and controller shell to have relative displacement;

③、管道接头旋入传感器的深度不小于12mm；

3. The depth of pipe joints being screwed into the sensor is not less than 12mm;

④、安装电缆时，应将电缆引入螺丝拧紧，防止水等液体渗入；

4. In the installation of a cable, the cable shall be induced into the screw and screw it down to prevent the infiltration of liquid such as water, etc.;

⑤、控制器盖打开前，必须切断电源；

5. Make sure to cut off the power before opening the controller cover;

⑥、触点容量不能超过额定值；

6. The contact’s capacity shall not exceed the rated value;

⑦、电缆导线插入接线柱内部足够深，并旋紧接线柱紧固螺钉；

7. The cable wire shall have an inserting depth into the terminal; screw down the fastening screw of the terminal;

⑧、外壳要可靠接地；

8. The shell grounding shall be reliable;

⑨、电缆线直径为10mm；

9. The cable diameter is 10mm;

⑩、防爆电缆接头随产品一起提供，使用时电缆接头各部分和壳体连接处必须旋紧，保证垫圈在防爆电缆接头各部件和壳体之间能起到密封作用。

10. The explosion-proof cable connectors are supplied with products. In use, the connections of the parts of cable connector and the shell must be tightened up, to ensure that gasket could play a role in sealing between the various components and the shell of the explosion-proof cable connector.

□、售后服务

After-sales service

凡本厂生产的控制器，自购买之日起，保修期为一年，保修期内凡属制造质量问题，用户可凭发票与本厂销售部，我厂将给于满意的答复。

Any controllers produced by the Factory, since the purchase date, shall have a warranty period of one （1） year. Regarding to any manufacturing quality problems within the warranty period, users can contact our sales department with an invoice, we will give a satisfactory response.

10、订货需知

10. Intended order

用户在购买控制器时，应说明以下几点：

In the purchase, users shall note the following points:

①、控制器的型号、规格及量程；

1. The model, specifications and range of a controller;

②、所用场所及工作介质

2. The work place and media

③、工作电压

3. The working voltage

④、订购法兰型产品需注明法兰规格，材质及隔离膜片材质、规格和毛细管长度；

4. Ordering the flange-type products is required to indicate flange specifications, materials and isolation diaphragm materials, specifications and the capillary length;

⑤、外形和安装尺寸仅供参考，如要求的尺寸需改变，可在订货时特殊指明。

5. Appearance and installation dimensions are for reference only. In case of any changes on the required dimension, users can specify at the time of ordering.

注：如用户有特殊要求，本厂可代为设计制造。

Note: If users have any special requirements, our factory can design and manufacture on their behalf.

11、随产品附件

11. Product accessories

①、使用说明书一份；

1. Manual 1;

②、合格证一份。

2. Certification 1.

关键词：压力控制器控制系统保护器标准传感器

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