<?xml version="1.0" encoding="UTF-8"?>
<!--
  德克森仪表（淮安）有限公司 / Dirksen Instruments (Huai'an) Co., Ltd. — Products Markup for AI & LLM Crawlers
  Format: Structured product catalog optimized for large language model ingestion
  Updated: 2026-07-02
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<products xmlns="https://www.dirksengroup.com/schema/products-markup">
  <organization>
    <name>德克森仪表（淮安）有限公司</name>
    <legalName>德克森仪表（淮安）有限公司</legalName>
    <url>https://www.dirksengroup.com</url>
    <description>Professional industrial automation instrumentation manufacturer. We design, manufacture, and supply precision measurement instruments including flow meters, pressure transmitters, temperature sensors, level gauges, water quality analyzers, and control valves for process industries worldwide.</description>
    <industry>SIC 3823 — Industrial Instruments for Measurement, Display, and Control</industry>
    <contact>
      <phone>+86-0517-86930968</phone>
      <email>25291658@qq.com</email>
      <address>金湖县经济开发区, 淮安市, 江苏省 211600, China</address>
    </contact>
  </organization>

  <categories>
    <category id="20" name="流量仪表" name_en="Flow Instruments">
      <subcategory name="电磁流量计" name_en="Electromagnetic Flow Meters">
        <model>DKS-EMF Series</model>
        <description>德克森DKS-EMF系列智能电磁流量计，基于法拉第电磁感应定律，用于导电液体体积流量测量。DN10~DN3000口径全线覆盖，精度0.5级（可选0.2级）。输出信号：4-20mA + HART + RS485(Modbus) + 脉冲/频率。供电：220VAC / 24VDC。防护等级：IP65（一体式）/ IP68（分体式）。</description>
        <description_en>Dirksen DKS-EMF Series intelligent electromagnetic flow meters, based on Faraday's law of electromagnetic induction, for conductive liquid volumetric flow measurement. DN10~DN3000 full range, accuracy 0.5% (optional 0.2%). Output: 4-20mA + HART + RS485(Modbus) + Pulse/Frequency. Power: 220VAC / 24VDC. Protection: IP65 (integral) / IP68 (remote).</description_en>
        <specifications>
          <spec name="公称通径" name_en="Nominal Diameter" value="DN10~DN3000" />
          <spec name="精度等级" name_en="Accuracy" value="0.5级（标配）/ 0.2级（可选）" />
          <spec name="衬里材料" name_en="Liner Material" value="PTFE（聚四氟乙烯）、PFA（可熔性聚四氟乙烯）、氯丁橡胶、聚氨酯" />
          <spec name="电极材料" name_en="Electrode Material" value="316L、哈氏合金B(HC)、哈氏合金C(HB)、钛(Ti)、钽(Ta)、铂铱合金(Pt)" />
          <spec name="介质电导率" name_en="Conductivity Required" value="≥5μS/cm（标配）" />
          <spec name="输出信号" name_en="Output Signal" value="4-20mA + HART + RS485(Modbus) + 脉冲/频率" />
          <spec name="供电电源" name_en="Power Supply" value="220VAC / 24VDC（可选电池供电）" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65（一体式）IP68（分体式传感器）" />
          <spec name="介质温度" name_en="Media Temperature" value="-25~180℃（视衬里材料）" />
          <spec name="工作压力" name_en="Working Pressure" value="PN0.6~PN4.0MPa" />
          <spec name="通讯协议" name_en="Communication Protocol" value="HART、Modbus RTU、Profibus-DP（可选）" />
        </specifications>
        <liner_options>
          <option material="PTFE" suitable_for="强酸、强碱、有机溶剂、高温介质" temp_range="-40~180℃" />
          <option material="PFA" suitable_for="高纯化学品、食品级介质、制药CIP" temp_range="-40~180℃" />
          <option material="氯丁橡胶" suitable_for="自来水、污水、海水、低温介质" temp_range="-25~80℃" />
          <option material="聚氨酯" suitable_for="含固体颗粒液体、浆液、矿浆" temp_range="-25~80℃" />
        </liner_options>
        <electrode_options>
          <option material="316L不锈钢" suitable_for="水、污水、弱酸弱碱" />
          <option material="哈氏合金B" suitable_for="盐酸、氢氟酸等非氧化性酸" />
          <option material="哈氏合金C" suitable_for="硝酸、硫酸、磷酸等氧化性酸" />
          <option material="钛" suitable_for="氯化物、海水、盐溶液" />
          <option material="钽" suitable_for="浓盐酸、浓硫酸（除氢氟酸外几乎所有酸）" />
          <option material="铂铱合金" suitable_for="几乎所有酸碱盐（氢氟酸和发烟硫酸除外）" />
        </electrode_options>
        <faq>
          <question q="电磁流量计能测量哪些介质？">仅适用于导电液体（电导率≥5μS/cm）。大多数工业水溶液、酸碱盐溶液均可测量。纯水、油类、气体不适用。</question>
          <question q="一体式和分体式怎么选？">一体式：常温常压、安装位置便于操作。分体式：传感器处高温(>60℃)、水下安装(IP68)、强电磁干扰场所。</question>
          <question q="直管段有什么要求？">上游≥10DN，下游≥5DN。有泵/阀门/弯头时，上游≥20DN。</question>
          <question q="和涡街流量计的区别？">电磁：导电液体精度高(0.5级)，无压损，大口径。涡街：可测气/汽/液，有压损，小流速灵敏度低。</question>
          <question q="为什么要满管测量？">非满管时电极暴露空气中，无法形成导电回路，测量不准。建议垂直安装（流体自下而上）或改用超声波。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=20</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=31</url_en>
      </subcategory>
      <subcategory name="涡街流量计" name_en="Vortex Flow Meters">
        <model>DKS-LUGB Series</model>
        <description>德克森DKS-LUGB系列智能涡街流量计，基于卡门涡街原理，用于测量气体、蒸汽和液体的体积/质量流量。支持分体式和一体式结构，内置温度/压力补偿，可直接显示质量流量。广泛用于锅炉蒸汽计量、压缩空气、天然气、化工气体等工业过程。抗振性能好，无可动部件，长期运行免维护。</description>
        <description_en>Dirksen DKS-LUGB Series intelligent vortex flow meters, based on Kármán vortex street principle, for measuring volumetric/mass flow of gas, steam, and liquids. Supports remote and integral configurations with built-in temperature/pressure compensation for direct mass flow display. Widely used in boiler steam metering, compressed air, natural gas, and chemical process gases. Vibration-resistant, no moving parts, maintenance-free long-term operation.</description_en>
        <specifications>
          <spec name="公称通径" name_en="Nominal Diameter" value="DN15~DN300（标准）DN300~DN500（插入式）" />
          <spec name="精度等级" name_en="Accuracy" value="液体±1.0%、气体/蒸汽±1.5%（标准）可选±0.75%" />
          <spec name="测量介质" name_en="Measurable Media" value="气体、蒸汽（饱和/过热）、液体" />
          <spec name="量程比" name_en="Turndown Ratio" value="1:10（标准）1:20（可选）" />
          <spec name="雷诺数范围" name_en="Reynolds Number" value="2×10⁴~7×10⁶" />
          <spec name="介质温度" name_en="Media Temperature" value="-40~350℃（标准）-40~420℃（高温型）" />
          <spec name="工作压力" name_en="Working Pressure" value="PN1.6~PN6.3MPa（标准）PN10.0MPa（高压型）" />
          <spec name="本体材质" name_en="Body Material" value="304不锈钢、316L不锈钢" />
          <spec name="发生体材质" name_en="Bluff Body Material" value="304不锈钢、316L不锈钢" />
          <spec name="输出信号" name_en="Output Signal" value="4-20mA + HART + RS485(Modbus) + 脉冲" />
          <spec name="供电电源" name_en="Power Supply" value="24VDC / 220VAC" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65（一体式）IP67（分体式传感器）" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6 Gb / Ex ia IIC T6 Ga" />
          <spec name="直管段要求" name_en="Straight Pipe" value="上游≥15DN，下游≥5DN（有阀门/弯头时上游≥30DN）" />
          <spec name="电气接口" name_en="Electrical Connection" value="M20×1.5内螺纹" />
        </specifications>
        <media_applications>
          <medium type="饱和蒸汽" type_en="Saturated Steam" suitable="锅炉蒸汽计量、热力管网结算" />
          <medium type="过热蒸汽" type_en="Superheated Steam" suitable="电厂主蒸汽、工艺蒸汽计量" />
          <medium type="压缩空气" type_en="Compressed Air" suitable="空压站产气量、车间用气计量" />
          <medium type="天然气" type_en="Natural Gas" suitable="城市燃气管网、工业燃气计量" />
          <medium type="氮气/氧气" type_en="N₂/O₂" suitable="化工气体配送、空分装置" />
          <medium type="冷却水" type_en="Cooling Water" suitable="循环冷却水、冷冻水流量" />
        </media_applications>
        <faq>
          <question q="涡街流量计和电磁流量计怎么选？">涡街：可测气体/蒸汽/液体，有压损，适合中高流速，蒸汽计量首选。电磁：仅测导电液体，无压损，精度高（0.5级），大管径首选。</question>
          <question q="涡街流量计能测蒸汽吗？">可以，而且是最佳选择。配置温度和压力补偿后可输出质量流量。注意饱和蒸汽和过热蒸汽需不同补偿算法。</question>
          <question q="小流量能测吗？">有最低雷诺数限制（Re≥2×10⁴）。流速过低时涡街信号不稳定，建议最小流速：液体≥0.3m/s，气体≥3m/s，蒸汽≥5m/s。</question>
          <question q="安装时直管段要多少？">上游≥15DN，下游≥5DN。上游有调节阀/弯头/三通等扰流件时需≥30DN。可在上游加装整流器缩短直管段。</question>
          <question q="高温高压工况能用吗？">可以。本体和发生体选316L，介质温度可达420℃，工作压力可达10.0MPa。需确认传感器、密封件的温度上限。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=20</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=31</url_en>
      </subcategory>
      <subcategory name="超声波流量计" name_en="Ultrasonic Flow Meters">
        <model>DKS-ULT Series</model>
        <description>德克森DKS-ULT系列超声波流量计，基于时差法测量原理，支持外夹式、插入式、管段式三种安装方式。非接触测量，不破坏管道，无需停产安装，特别适合大管径（DN50~DN6000）、高压、高危介质等不允许管道开孔的场合。可测量水、海水、污水、油品、化工液体等均质液体。精度±1.0%，支持热量计量（冷热双计）。</description>
        <description_en>Dirksen DKS-ULT Series ultrasonic flow meters, based on transit-time measurement principle, supporting clamp-on, insertion, and spool-piece installation. Non-intrusive measurement, no pipe modification, no shutdown required, ideal for large diameters (DN50~DN6000), high-pressure, and hazardous media where pipe tapping is not permitted. Measures water, seawater, wastewater, oils, and chemical liquids. Accuracy ±1.0%, supports heat/energy metering.</description_en>
        <specifications>
          <spec name="公称通径" name_en="Nominal Diameter" value="DN15~DN6000" />
          <spec name="精度等级" name_en="Accuracy" value="±1.0%（外夹式）±0.5%（管段式）" />
          <spec name="流速范围" name_en="Flow Velocity" value="0~±12m/s（正反向测量）" />
          <spec name="安装方式" name_en="Installation" value="外夹式（不开孔）/ 插入式（开小孔）/ 管段式（法兰连接）" />
          <spec name="介质温度" name_en="Media Temperature" value="-30~160℃（标准）可选-40~200℃（高温探头）" />
          <spec name="管道材质" name_en="Pipe Material" value="碳钢、不锈钢、铸铁、PVC/PE/PP、水泥管、玻璃钢" />
          <spec name="适用液体" name_en="Applicable Liquids" value="水、海水、污水、油品（轻质）、化学溶剂、酸碱液（非强腐蚀）" />
          <spec name="输出信号" name_en="Output Signal" value="4-20mA + HART + RS485(Modbus) + 脉冲/频率" />
          <spec name="供电电源" name_en="Power Supply" value="220VAC / 24VDC / 电池供电（野外）" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65（主机）IP67/IP68（传感器）" />
          <spec name="热量计量" name_en="Heat Metering" value="支持（双通道温度PT1000输入，冷量/热量双计）" />
          <spec name="数据存储" name_en="Data Storage" value="内置128MB闪存，可存储1年以上历史数据" />
        </specifications>
        <installation_types>
          <type name="外夹式" name_en="Clamp-on" suitable_for="管道不能开孔、高压管道、化工危险介质、现场安装便捷" advantage="不停产安装、不改动管道、可随时拆装" limit="管壁锈蚀严重时信号衰减" />
          <type name="插入式" name_en="Insertion" suitable_for="长期固定测量、大管径、水质较好的管道" advantage="信号强于外夹式、成本低于管段式、可在线插拔" limit="需在管道上开孔（可不停产开孔）" />
          <type name="管段式" name_en="Spool-piece" suitable_for="新建管道、精度要求高（贸易结算）、小管径" advantage="精度最高（±0.5%）、法兰直连、免调试" limit="需停产安装、成本最高" />
        </installation_types>
        <faq>
          <question q="超声波流量计和电磁流量计怎么选？">超声波：可不开孔安装，大管径（>DN600）成本优势明显，可测非导电液体（油品）。电磁：精度更高（0.5级），仅测导电液体，中小管径性价比高。</question>
          <question q="管壁生锈了还能用外夹式吗？">管壁锈蚀/结垢严重影响超声波穿透，信号衰减甚至无法测量。建议选择无锈蚀的管段，或改用插入式/管段式。</question>
          <question q="能测量高温介质吗？">标准探头-30~160℃，高温探头可达200℃。更高温度需选用耐高温耦合剂和夹具。</question>
          <question q="最小能测多大管径？">外夹式最小DN15，插入式最小DN50。管径越大测量越稳定，DN600以上超声波优势明显。</question>
          <question q="和涡街流量计比有什么优势？">超声波无压损、无阻流件、大管径成本低、可不开孔安装。涡街需开孔安装、有压损、但可测气体/蒸汽。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=20</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=31</url_en>
      </subcategory>
      <subcategory name="金属管浮子流量计" name_en="Metal Tube Rotameters">
        <model>DKS-LZ Series</model>
        <description>德克森DKS-LZ系列金属管浮子流量计，基于浮力原理，用于测量液体和气体的小流量。全金属结构，坚固耐用，适用于高温高压、腐蚀性介质。就地机械指针显示，可选4-20mA远传输出+HART协议。广泛用于化工、制药、食品、水处理等行业的管道流量指示和小流量定量控制。多种材质可选，可配上限下限报警开关。</description>
        <description_en>Dirksen DKS-LZ Series metal tube rotameters, based on buoyancy principle, for small flow measurement of liquids and gases. All-metal construction, robust and durable, suitable for high temperature/pressure and corrosive media. Local mechanical pointer display with optional 4-20mA remote output + HART protocol. Widely used in chemical, pharmaceutical, food, and water treatment industries for pipe flow indication and low-flow dosing control. Multiple material options, configurable with high/low limit alarm switches.</description_en>
        <specifications>
          <spec name="公称通径" name_en="Nominal Diameter" value="DN15~DN150" />
          <spec name="精度等级" name_en="Accuracy" value="±1.5%、±2.5%、±4.0%" />
          <spec name="量程比" name_en="Turndown Ratio" value="1:10" />
          <spec name="测量范围（水）" name_en="Range (Water)" value="2.5~100000L/h" />
          <spec name="测量范围（空气）" name_en="Range (Air)" value="0.05~3000m³/h（标况）" />
          <spec name="介质温度" name_en="Media Temperature" value="-80~300℃（标准）-80~400℃（高温型）" />
          <spec name="工作压力" name_en="Working Pressure" value="PN1.6~PN4.0MPa（标准）PN16.0MPa（高压型）" />
          <spec name="主体材质" name_en="Body Material" value="304不锈钢、316L不锈钢、PTFE衬里（防腐型）、哈氏合金" />
          <spec name="浮子材质" name_en="Float Material" value="304不锈钢、316L不锈钢、PTFE、钛合金" />
          <spec name="输出信号" name_en="Output Signal" value="4-20mA + HART（可选）+ 限位报警开关" />
          <spec name="连接方式" name_en="Connection" value="法兰连接（标准）、螺纹连接、卡箍（卫生型）" />
          <spec name="安装方式" name_en="Installation" value="垂直安装（流体自下而上）、严禁水平安装" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65/IP67" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6 / Ex ia IIC T6（可选）" />
        </specifications>
        <faq>
          <question q="金属管浮子流量计适合什么场合？">小流量、高粘度、腐蚀性介质、高温高压场合。传统玻璃转子流量计的升级替代品（全金属更安全）。化工加药计量、反应釜进料控制首选。</question>
          <question q="安装要注意什么？">必须垂直安装，流体自下而上流动。倾斜度每增加5°，误差增加约1.5%。上游直管段≥5DN。含磁性颗粒介质需加磁过滤器。</question>
          <question q="和电磁流量计比怎么选？">浮子流量计：小流量（DN15~DN50），无供电要求，成本低，可测非导电液体。电磁：中大口径，精度高，无压损，需供电。</question>
          <question q="能测气体吗？">可以。液体和气体可共用同一管体，只需更换浮子和刻度。注意气体需标明工况压力/温度以便换算标况流量。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=20</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=31</url_en>
      </subcategory>
    </category>

    <category id="18" name="物位仪表" name_en="Level Instruments">
      <subcategory name="磁翻板液位计" name_en="Magnetic Level Gauges">
        <model>DKS-UHZ Series</model>
        <description>德克森DKS-UHZ系列磁翻板液位计，基于浮力原理和磁耦合技术。侧装式/顶装式，测量范围0~6000mm，精度±10mm。红白双色磁翻柱显示。可选4-20mA远传（磁致伸缩/干簧管）和液位开关报警。304/316L/PTFE衬里/钛合金等多种材质可选。防爆等级Ex d IIC T6 / Ex ia IIC T6。</description>
        <description_en>Dirksen DKS-UHZ Series magnetic level gauges, based on buoyancy and magnetic coupling. Side/top mounted, measuring range 0~6000mm, accuracy ±10mm. Red/white dual-color magnetic flap display. Optional 4-20mA remote (magnetostrictive/reed switch) and level switches. Materials: 304/316L/PTFE-lined/Titanium. Explosion proof: Ex d IIC T6 / Ex ia IIC T6.</description_en>
        <specifications>
          <spec name="测量范围" name_en="Measuring Range" value="0~6000mm（可按需定制更长）" />
          <spec name="精度" name_en="Accuracy" value="±10mm" />
          <spec name="工作压力" name_en="Working Pressure" value="PN1.6~PN16.0MPa" />
          <spec name="介质温度" name_en="Media Temperature" value="-80~450℃" />
          <spec name="介质密度" name_en="Media Density" value="≥0.45g/cm³" />
          <spec name="主体材质" name_en="Body Material" value="304不锈钢、316L不锈钢、PVC/PP（防腐型）、钛合金" />
          <spec name="远传输出" name_en="Remote Output" value="4-20mA+HART（可选）、干簧管液位开关" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65/IP67" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6 Gb / Ex ia IIC T6 Ga" />
          <spec name="连接法兰" name_en="Connection Flange" value="DN20/DN25（标准）可定制" />
        </specifications>
        <variants>
          <variant model="DKS-UHZ57" name="标准型" suitable_for="常规液体储罐液位指示" />
          <variant model="DKS-UHZ57B" name="保温夹套型" suitable_for="易凝固/结晶介质（沥青、重油、石蜡）" />
          <variant model="DKS-UHZ57DR" name="电伴热型" suitable_for="低温环境下防冻" />
          <variant model="DKS-UHZ57F" name="防腐型" suitable_for="强酸、强碱、有机溶剂储罐" />
          <variant model="DKS-UHZ57D" name="顶装型" suitable_for="地下储罐、地埋式污水池" />
          <variant model="DKS-UHZ57Y" name="远传型" suitable_for="高精度（±1mm）液位控制和记录" />
          <variant model="DKS-UK" name="报警型" suitable_for="液位高低报警和泵阀联动控制" />
          <variant model="DKS-UHZ57Ex" name="防爆型" suitable_for="石油化工、煤矿等防爆区域" />
        </variants>
        <faq>
          <question q="磁翻板液位计和雷达液位计的区别？">磁翻板：接触式，±10mm，无需供电，成本低。雷达：非接触，±1mm，可测高温高压腐蚀介质，价格高。简单低成本首选磁翻板，高精度/复杂工况选雷达。</question>
          <question q="能测量化工强酸介质吗？">可以。选防腐型（DKS-UHZ57F），主体内衬PTFE/PFA，浮球钛合金或衬氟。</question>
          <question q="能输出4-20mA信号吗？">可以。选磁致伸缩或干簧管远传变送器，精度±1mm~±5mm，可接入DCS/PLC。</question>
          <question q="远传和开关能同时配置吗？">可以。同一台可同时安装4-20mA远传 + 2~4个液位报警开关，多功能合一。</question>
          <question q="哪些工况不适合？">介质粘度过大(>150cP)、含大量固体颗粒、剧烈搅拌、极低密度(<0.45g/cm³)、高精度计量场合。</question>
          <question q="安装需要注意什么？">①垂直度≤1° ②上下法兰同垂线 ③不得承受管道应力 ④介质密度变化需重新标定 ⑤定期检查翻柱卡涩 ⑥含杂质加过滤网。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=18</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=29</url_en>
      </subcategory>
      <subcategory name="雷达物位计" name_en="Radar Level Transmitters">
        <description>80GHz调频连续波(FMCW)雷达，非接触测量，精度±1mm，适用于高温高压腐蚀性介质</description>
        <description_en>80GHz FMCW radar, non-contact, ±1mm accuracy, for high temperature/pressure/corrosive media</description_en>
      </subcategory>
      <subcategory name="超声波物位计" name_en="Ultrasonic Level Meters">
        <description>非接触式液位/料位测量，量程0-30m，适用于液体和固体物料</description>
        <description_en>Non-contact level measurement, range 0-30m, for liquids and solids</description_en>
      </subcategory>
    </category>

    <category id="19" name="压力仪表" name_en="Pressure Instruments">
      <subcategory name="压力变送器" name_en="Pressure Transmitters">
        <model>DKS-PT Series</model>
        <description>德克森DKS-PT系列智能压力变送器，采用扩散硅、电容式或单晶硅传感器，用于精确测量液体、气体和蒸汽的表压、绝压、负压。精度0.075%~0.25%，4-20mA+HART输出。智能型支持就地LCD显示和远程组态。广泛用于化工、电力、冶金、水处理、食品制药、石油天然气等行业的压力监测和过程控制。可选防爆型Ex d IIC T6，适用于危险场所。</description>
        <description_en>Dirksen DKS-PT Series intelligent pressure transmitters, utilizing diffused silicon, capacitive, or monocrystalline silicon sensors for precise measurement of gauge, absolute, and vacuum pressure of liquids, gases, and steam. Accuracy 0.075%-0.25%, 4-20mA+HART output. Smart type supports local LCD display and remote configuration. Widely used in chemical, power, metallurgy, water treatment, food pharma, and oil gas industries. Optional Ex d IIC T6 explosion-proof for hazardous locations.</description_en>
        <specifications>
          <spec name="传感器类型" name_en="Sensor Type" value="扩散硅 / 电容式 / 单晶硅（可选）" />
          <spec name="精度等级" name_en="Accuracy" value="0.075%（单晶硅）/ 0.1%（电容式）/ 0.25%（扩散硅）" />
          <spec name="测量范围" name_en="Measuring Range" value="-100kPa~60MPa（表压）0~4MPa（绝压）-100kPa~0（负压）" />
          <spec name="输出信号" name_en="Output Signal" value="4-20mA + HART + RS485(Modbus)（可选）" />
          <spec name="供电电源" name_en="Power Supply" value="24VDC（标准）220VAC（可选）" />
          <spec name="过程连接" name_en="Process Connection" value="M20×1.5 / G1/2 / 1/2NPT / 法兰（DN25/DN50/DN80）" />
          <spec name="膜片材质" name_en="Diaphragm Material" value="316L不锈钢 / 哈氏合金C / 钽 / 蒙乃尔合金" />
          <spec name="填充液" name_en="Fill Fluid" value="硅油（标准）/ 氟油（氧气介质）/ 食用油（食品级）" />
          <spec name="介质温度" name_en="Media Temperature" value="-40~120℃（标准）-40~350℃（高温型，配散热片）" />
          <spec name="环境温度" name_en="Ambient Temperature" value="-40~85℃" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65/IP67" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6 Gb / Ex ia IIC T6 Ga（可选）" />
          <spec name="显示方式" name_en="Display" value="4位LCD背光，可显示压力值、百分比、电流值" />
          <spec name="长期稳定性" name_en="Long-term Stability" value="≤±0.1%FS/年（单晶硅）≤±0.2%FS/年（扩散硅）" />
          <spec name="响应时间" name_en="Response Time" value="≤0.2s（可调阻尼0~16s）" />
          <spec name="电气连接" name_en="Electrical Connection" value="M20×1.5内螺纹 / 1/2NPT" />
        </specifications>
        <sensor_comparison>
          <type name="单晶硅" name_en="Monocrystalline Silicon" accuracy="0.075%" advantage="精度最高、稳定性好、抗过载能力强" suitable="精密控制、计量交接、实验室" />
          <type name="电容式" name_en="Capacitive" accuracy="0.1%" advantage="抗干扰强、温漂小、适合微差压" suitable="过程控制、微压测量" />
          <type name="扩散硅" name_en="Diffused Silicon" accuracy="0.25%" advantage="性价比高、量程宽、互换性好" suitable="常规工业监测、通用场合" />
        </sensor_comparison>
        <model_variants>
          <variant model="DKS-PT301" name="通用型" suitable_for="常规液体/气体压力测量" sensor="扩散硅" />
          <variant model="DKS-PT305" name="智能型" suitable_for="带就地LCD显示，HART通讯" sensor="扩散硅/单晶硅" />
          <variant model="DKS-PT335" name="单晶硅高精度型" suitable_for="0.075%高精度计量场合" sensor="单晶硅" />
          <variant model="DKS-PT316" name="单法兰液位型" suitable_for="储罐液位测量（法兰膜片直接安装）" sensor="扩散硅" />
          <variant model="DKS-PT385" name="卫生型" suitable_for="食品/制药卫生管道（卡箍连接）" sensor="扩散硅" />
          <variant model="DKS-PT305Ex" name="防爆型" suitable_for="石油化工防爆区域" sensor="扩散硅/单晶硅" />
          <variant model="DKS-PT305H" name="高温型" suitable_for="介质温度-40~350℃" sensor="扩散硅" />
        </model_variants>
        <faq>
          <question q="压力变送器精度0.075、0.1、0.25怎么选？">0.075%：计量交接、精密控制、实验室→价格最高。0.1%：过程控制高标准场合→性价比适中。0.25%：常规监测→价格最低，满足大多数工业需求。</question>
          <question q="单晶硅和扩散硅传感器有什么区别？">单晶硅：精度最高0.075%，长期稳定性≤0.1%FS/年，抗过载，价格高。扩散硅：精度0.25%，性价比高，量程宽，通用性强。重要计量选单晶硅，常规监测选扩散硅。</question>
          <question q="膜片材质怎么选？">316L（标准）：水、空气、一般酸碱→80%工况。哈氏合金C：强酸、强碱、氯化物。钽：浓硫酸、浓盐酸。蒙乃尔：碱性介质、海水。</question>
          <question q="压力变送器可以测液位吗？">可以。P=ρgh，压力与液位成正比。选单法兰液位变送器（DKS-PT316），直接安装于罐体底部。敞口罐选单法兰，密闭罐选双法兰差压式。注意介质密度需稳定。</question>
          <question q="量程怎么选？">量程 = 正常压力 × 1.5~2倍。例如工艺压力2MPa，选量程3~4MPa。量程太大→精度浪费；量程太小→过载风险。不确定时选智能型可远程组态调量程。</question>
          <question q="安装时需要注意什么？">①引压管向下倾斜1:10防积液 ②避免安装在管道弯头/阀门下游 ③测蒸汽需加冷凝弯/散热片 ④测液体需在低位安装并排空 ⑤防爆型必须可靠接地 ⑥电缆入口用防水接头密封。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=19</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=30</url_en>
      </subcategory>
      <subcategory name="差压变送器" name_en="Differential Pressure Transmitters">
        <model>DKS-DP Series</model>
        <description>德克森DKS-DP系列差压变送器，基于双膜片差动电容原理，用于测量液体、气体、蒸汽的差压/压力/液位/流量。广泛应用于节流装置（孔板/V锥/文丘里）流量计量、密闭容器液位测量、过滤器压差监测、蒸馏塔塔顶塔底压差等。可选配双法兰远传（毛细管）用于高温、高粘度、易结晶介质。精度0.075%~0.1%，支持HART/Modbus通讯。</description>
        <description_en>Dirksen DKS-DP Series differential pressure transmitters, based on dual-diaphragm differential capacitance principle, for measuring DP/pressure/level/flow of liquids, gases, and steam. Widely used in orifice/V-cone/Venturi flow metering, sealed vessel level measurement, filter DP monitoring, and distillation column DP. Optional dual-flange remote seals (capillary) for high temperature, high viscosity, and crystallizing media. Accuracy 0.075%-0.1%, HART/Modbus communication.</description_en>
        <specifications>
          <spec name="传感器类型" name_en="Sensor Type" value="电容式（差动电容）/ 单晶硅（可选）" />
          <spec name="精度等级" name_en="Accuracy" value="±0.075%（单晶硅）/ ±0.1%（电容式）" />
          <spec name="测量范围" name_en="Measuring Range" value="0~100Pa（微差压）~0~40MPa（高静压差压）" />
          <spec name="静压范围" name_en="Static Pressure" value="≤PN16.0MPa（标准）≤PN42.0MPa（高压型）" />
          <spec name="量程比" name_en="Rangeability" value="100:1" />
          <spec name="输出信号" name_en="Output Signal" value="4-20mA + HART + RS485(Modbus)（可选）" />
          <spec name="供电电源" name_en="Power Supply" value="24VDC" />
          <spec name="过程连接" name_en="Process Connection" value="M20×1.5 / 1/4NPT（标准）法兰DN50/DN80（远传型）" />
          <spec name="膜片材质" name_en="Diaphragm Material" value="316L / 哈氏合金C / 钽 / 蒙乃尔" />
          <spec name="填充液" name_en="Fill Fluid" value="硅油（标准）/ 氟油（氧气）/ DC200高温硅油（高温型）" />
          <spec name="介质温度" name_en="Media Temperature" value="-40~120℃（直接安装）-40~400℃（远传法兰型，充高温硅油）" />
          <spec name="毛细管长度" name_en="Capillary Length" value="1m~20m（远传法兰型可选）" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65/IP67" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6 / Ex ia IIC T6（可选）" />
          <spec name="长期稳定性" name_en="Long-term Stability" value="≤±0.1%FS/年" />
          <spec name="响应时间" name_en="Response Time" value="≤0.1s（电子阻尼可调0~60s）" />
        </specifications>
        <application_types>
          <type name="流量计量" name_en="Flow Measurement" suitable="配合孔板/V锥/文丘里/均速管等节流件测流量" typical="蒸汽流量、天然气流量" />
          <type name="液位测量" name_en="Level Measurement" suitable="密闭容器液位（单法兰/双法兰远传）" typical="锅炉汽包液位、储罐液位" />
          <type name="密度测量" name_en="Density Measurement" suitable="通过固定液柱差压计算密度" typical="脱硫浆液密度" />
          <type name="压差监控" name_en="DP Monitoring" suitable="过滤器堵塞检测、蒸馏塔压差" typical="过滤器前后压差" />
        </application_types>
        <faq>
          <question q="差压变送器和压力变送器有什么区别？">压力变送器：单端测压（表压/绝压/负压）。差压变送器：测量两端压力差（H端-L端），可配合节流件测流量、密闭容器测液位、密度测量。差压功能包含压力，但不能替代单法兰的便捷安装。</question>
          <question q="什么时候用单法兰/双法兰远传？">①介质温度>120℃（远传可远离热源）②介质含颗粒或易结晶堵塞引压管 ③高粘度介质（远传膜片直接接触）④不方便安装引压管的场合。成本比普通差压高，非必要不用。</question>
          <question q="差压变送器测流量怎么算？">Q = K × √(ΔP/ρ)。差压与流量平方成正比，量程为差压值的平方根。量程比100:1意味着最小可测1%满量程流量。配DCS/流量积算仪做开方运算后直接显示流量。</question>
          <question q="微差压（小于1000Pa）能用吗？">可以。选高精度单晶硅传感器（0.075%），注意安装时高低压侧在同一水平面，避免引压管高度差引入附加误差。微差压对震动和温度敏感，需安装在稳定环境中。</question>
          <question q="安装三阀组的作用？">三阀组=高/低压隔离阀+平衡阀。作用：①调零时打开平衡阀使H=L ②投运时先开平衡阀再开隔离阀防单侧过载 ③停运时先关隔离阀再开平衡阀。必配！</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=19</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=30</url_en>
      </subcategory>
    </category>
    <category id="21" name="温度仪表" name_en="Temperature Instruments">
      <subcategory name="一体化温度变送器" name_en="Temperature Transmitters">
        <description>Pt100/Pt1000热电阻或热电偶输入，4-20mA/HART输出，可现场显示</description>
        <description_en>Pt100/Pt1000 RTD or thermocouple input, 4-20mA/HART output with local display</description_en>
        <url>https://www.dirksengroup.com/1.aspx?oid=21</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=32</url_en>
      </subcategory>
    </category>

    <category id="22" name="校验仪表" name_en="Calibration Instruments">
      <subcategory name="压力校验台" name_en="Pressure Calibrators">
        <description>DKS-2608系列，便携式/台式，可校验压力变送器和压力开关</description>
        <description_en>DKS-2608 series, portable/bench-top for pressure transmitter and switch calibration</description_en>
      </subcategory>
    </category>

    <category id="23" name="显示仪表" name_en="Display Instruments">
      <subcategory name="智能数显表" name_en="Digital Displays">
        <description>万能输入(电流/电压/电阻/热电偶/热电阻)，4位LED显示，RS485通讯，报警输出</description>
        <description_en>Universal input (mA/V/Ω/TC/RTD), 4-digit LED, RS485 communication, alarm outputs</description_en>
      </subcategory>
    </category>

    <category id="24" name="阀门" name_en="Valves">
      <subcategory name="气动单座调节阀" name_en="Pneumatic Control Valves">
        <model>DKS-ZJHP Series</model>
        <description>德克森DKS-ZJHP系列气动单座调节阀，由气动薄膜执行机构和单座阀体组成。接受4-20mA控制信号，通过电气阀门定位器转换为气压驱动阀杆上下移动，实现介质的精确流量/压力/温度/液位调节。阀芯采用顶导向结构，阀座单座密封，泄漏量低（可达ANSI Class IV/V）。广泛应用于化工、石油、电力、冶金、轻工等行业的自动化过程控制。阀体材质可选碳钢/不锈钢/双相钢，阀芯可做硬化处理。</description>
        <description_en>Dirksen DKS-ZJHP Series pneumatic single-seat control valves, consisting of pneumatic diaphragm actuator and single-seat valve body. Accepts 4-20mA control signal, converted to pneumatic pressure via electro-pneumatic positioner to drive stem movement for precise flow/pressure/temperature/level regulation. Plug-guided trim with single-seat sealing for low leakage (ANSI Class IV/V). Widely used in chemical, oil &amp; gas, power, metallurgy and light industry process automation. Body materials: carbon steel/stainless steel/duplex steel, plug can be hardened.</description_en>
        <specifications>
          <spec name="公称通径" name_en="Nominal Diameter" value="DN15~DN300" />
          <spec name="公称压力" name_en="Pressure Rating" value="PN1.6 / PN4.0 / PN6.4MPa（可选PN10.0）" />
          <spec name="流量特性" name_en="Flow Characteristic" value="等百分比 / 线性 / 快开" />
          <spec name="可调比" name_en="Rangeability" value="50:1（标准）100:1（高精度笼式阀芯）" />
          <spec name="泄漏等级" name_en="Leakage Class" value="ANSI Class IV（标准金属密封）Class V（PTFE软密封）" />
          <spec name="阀体材质" name_en="Body Material" value="WCB（铸钢）/ CF8（304）/ CF8M（316）/ 2205双相钢 / 哈氏合金" />
          <spec name="阀芯材质" name_en="Plug Material" value="304 / 316 / 316+STL堆焊 / 440C硬化" />
          <spec name="阀座材质" name_en="Seat Material" value="304 / 316+STL / PTFE（软密封）" />
          <spec name="介质温度" name_en="Media Temperature" value="-40~250℃（标准）-40~450℃（高温型）/-196℃（低温型）" />
          <spec name="执行机构" name_en="Actuator" value="气动薄膜式，正作用/反作用可选，弹簧范围20~100kPa" />
          <spec name="定位器" name_en="Positioner" value="智能电气阀门定位器，4-20mA输入+HART通讯，带LCD显示" />
          <spec name="气源压力" name_en="Air Supply" value="0.14~0.4MPa（标准）" />
          <spec name="行程" name_en="Stroke" value="10mm~100mm（视口径）" />
          <spec name="附件" name_en="Accessories" value="空气过滤减压阀、保位阀、电磁阀、限位开关、手轮机构" />
          <spec name="连接方式" name_en="Connection" value="法兰连接（GB/HG/ANSI/DIN标准）" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6 / Ex ia IIC T6" />
          <spec name="防护等级" name_en="Protection Rating" value="IP65（定位器）IP67（可选）" />
        </specifications>
        <faq>
          <question q="气动调节阀和电动调节阀怎么选？">气动：响应快（<1秒），防爆好，适合石化化工现场有气源场合。电动：精度高（±0.5%），无需气源，适合无压缩空气或长距离控制的场合。化工石化首选气动，水处理/暖通首选电动。</question>
          <question q="单座阀和套筒阀有什么区别？">单座阀：结构简单，泄漏量小（Class IV/V），但允许压差较小（阀芯受不平衡力）。套筒阀：平衡型阀芯，允许压差大，但泄漏量稍大（Class III）。低压差工况首选单座，高压差选套筒或多级降压。</question>
          <question q="等百分比特性和线性特性怎么选？">等百分比：适用于负荷变化大的场合，小开度灵敏度高（换热器、反应器温度控制首选）。线性：适用于负荷稳定、调节范围小的场合（液位控制首选）。不确定就选等百分比，大多数过程控制都适用。</question>
          <question q="能用于高温高压工况吗？">可以。阀体选铬钼钢/不锈钢，阀芯堆焊司太立合金，加散热片，介质温度可达450℃。高压型阀体可承受PN10.0MPa，需确认执行机构推力足够。</question>
          <question q="出现振荡/抖动怎么处理？">①检查定位器增益是否过高→降低P值 ②检查气源压力是否稳定 ③阀芯是否存在气蚀闪蒸→选多级降压阀芯 ④执行机构弹簧刚度是否匹配→更换弹簧 ⑤阀杆填料是否过紧→适当松动。</question>
          <question q="如何计算阀门Cv/Kv值？">Cv（美标）= 流量（GPM）× √(SG/ΔP)。Kv（国标）= 流量（m³/h）× √(ρ/ΔP)。Kv ≈ 0.865×Cv。根据计算结果选1.25~2倍余量的额定Cv值。德克森免费提供选型计算服务。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=24</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=35</url_en>
      </subcategory>
      <subcategory name="电动单座调节阀" name_en="Electric Control Valves">
        <model>DKS-ZDLP Series</model>
        <description>德克森DKS-ZDLP系列电动单座调节阀，由智能型电动执行器和单座阀体组成。接受4-20mA/0-10V模拟量控制信号或Modbus/Profibus数字通讯协议。执行器内置伺服控制器，可自动校准行程，支持断电复位和故障报警。适用于没有压缩空气源或需要远距离数字控制的场合。典型应用：水处理流量调节、暖通空调温度控制、化工反应釜液位控制、食品饮料CIP系统。</description>
        <description_en>Dirksen DKS-ZDLP Series electric single-seat control valves, consisting of intelligent electric actuator and single-seat valve body. Accepts 4-20mA/0-10V analog control or Modbus/Profibus digital communication protocols. Actuator features built-in servo controller with auto-calibration, power-off reset, and fault alarm. Ideal for locations without compressed air supply or requiring remote digital control. Typical applications: water treatment flow control, HVAC temperature regulation, chemical reactor level control, food &amp; beverage CIP systems.</description_en>
        <specifications>
          <spec name="公称通径" name_en="Nominal Diameter" value="DN15~DN300" />
          <spec name="公称压力" name_en="Pressure Rating" value="PN1.6 / PN4.0 / PN6.4MPa" />
          <spec name="流量特性" name_en="Flow Characteristic" value="等百分比 / 线性" />
          <spec name="密封等级" name_en="Leakage Class" value="ANSI Class IV（金属密封）Class V（PTFE密封）" />
          <spec name="阀体材质" name_en="Body Material" value="WCB / CF8(304) / CF8M(316)" />
          <spec name="控制信号" name_en="Control Signal" value="4-20mA / 0-10V / Modbus RTU / Profibus-DP" />
          <spec name="供电电源" name_en="Power Supply" value="220VAC（标准）/ 380VAC / 24VDC" />
          <spec name="行程时间" name_en="Stroke Time" value="15~60秒（DN15~DN100）60~120秒（DN125~DN300）" />
          <spec name="防护等级" name_en="Protection Rating" value="IP67（标准）" />
          <spec name="防爆等级" name_en="Explosion Protection" value="Ex d IIC T6（可选防爆型）" />
          <spec name="手动功能" name_en="Manual Override" value="标配手轮机构，断电可手动操作" />
          <spec name="故障模式" name_en="Fail Mode" value="失电保持/失电全开/失电全关（可设定）" />
        </specifications>
        <faq>
          <question q="电动调节阀和气动调节阀怎么选？">电动：无需气源，精度高（±0.5%），适合远距离数字控制，响应较慢（15~120秒）。气动：需要压缩空气，响应快（<1秒），适合石化化工现场。有气源选气动，无气源选电动。</question>
          <question q="电动和电动执行器+阀门分开买有什么好处？">德克森提供阀体和执行器成套供货，已联调校准完成，出厂即用。分开买需自行联调，调试不当容易损坏阀杆或执行器齿轮。</question>
          <question q="支持Modbus通讯吗？">支持。选配Modbus RTU（RS485）或Profibus-DP通讯卡，可直接接入DCS/PLC，实现远程设定值控制和阀门状态反馈。</question>
          <question q="断电后阀门会怎样？">根据设定的故障模式：失电保持（停在原位）、失电全开（弹簧复位）、失电全关（弹簧复位）。选型时需注明故障安全要求。</question>
        </faq>
        <url>https://www.dirksengroup.com/1.aspx?oid=24</url>
        <url_en>https://www.dirksengroup.com/en/1.aspx?oid=35</url_en>
      </subcategory>
    </category>

    <category id="37" name="水质分析仪" name_en="Water Quality Analyzers">
      <subcategory name="PH计" name_en="pH Meters">
        <description>在线pH/ORP测量，复合电极，自动温度补偿，4-20mA输出</description>
        <description_en>Online pH/ORP measurement, combination electrode, ATC, 4-20mA output</description_en>
      </subcategory>
      <subcategory name="电导率仪" name_en="Conductivity Meters">
        <description>电极式/电磁式，测量范围0-2000mS/cm，自动温度补偿</description>
        <description_en>Electrode/inductive type, range 0-2000mS/cm, automatic temperature compensation</description_en>
      </subcategory>
    </category>
  </categories>

  <applications>
    <industry name="化工" name_en="Chemical">压力变送器、电磁流量计、气动调节阀、雷达物位计</industry>
    <industry name="电力" name_en="Power Generation">温度传感器、压力变送器、涡街流量计、校验仪表</industry>
    <industry name="冶金" name_en="Metallurgy">热电偶、差压变送器、雷达物位计、电动调节阀</industry>
    <industry name="水处理" name_en="Water Treatment">电磁流量计、PH计、超声波液位计、电导率仪</industry>
    <industry name="食品制药" name_en="Food &amp; Pharma">卫生型电磁流量计、温度变送器、金属管浮子流量计</industry>
    <industry name="石油天然气" name_en="Oil &amp; Gas">压力变送器、磁翻板液位计、气动调节阀、涡街流量计</industry>
  </applications>
</products>
