电接点双金属温度计WZP-270U 厂家
产品概述
电接点双金属温度计WZP-270U是一款专为工业环境设计的温度测量仪表，采用双金属感温原理，能够直接测量液体、蒸汽和气体介质的温度，适用于-80℃至+500℃范围内的各种工况。该产品具有现场温度显示功能，直观易读，同时具备自动控制和报警能力，可通过触点变化实现电路继电器的动作控制。其保护管采用不锈钢材质，具有良好的耐腐蚀性和承压能力，适用于石油、化工、电力、冶金等行业的温度监测需求。产品设计注重耐用性与安全性，表盘直径提供多种规格可选，安装方式灵活多样。18
产品特点
WZP-270U电接点双金属温度计采用精密加工的双金属螺旋元件，温度变化时带动指针精确指示，同时驱动触点实现上下限控制。仪表外壳采用防水防尘结构，内部机械部件经过特殊处理，可有效减少振动干扰。产品提供轴向型、径向型、万向型等多种安装形式，支持活动螺纹或法兰固定方式，适应不同现场安装需求。温度计的表盘刻度清晰，指针转动平稳，触点动作可靠，使用寿命长。其保护管长度可根据测量深度定制，材质可选1Cr18Ni9Ti不锈钢或其他耐腐蚀合金，满足不同介质环境要求。1214
应用领域
该温度计广泛应用于石油化工行业的反应釜温度监控、电力系统的蒸汽管道测温、机械制造设备的温度保护以及食品医药生产过程中的温度控制。产品特别适用于需要同时进行现场指示和远程控制的场合，如锅炉温度监测、中央空调系统、工业烘箱等。在存在爆炸性气体的环境中，产品采用特殊结构设计确保使用安全。其紧凑的设计和稳定的性能使其成为工业温度测量领域的理想选择。317
技术参数
WZP-270U电接点双金属温度计的测量精度达1.5级，热响应时间不超过40秒。正常工作环境温度为-25℃至+55℃，相对湿度≤85%。触点额定容量为10VA（阻性负载），最大允许电流0.7A。产品标度盘公称直径有100mm和150mm两种规格可选，保护管直径根据长度不同分为φ6、φ10、φ12mm。安装螺纹标准为M27×2或G1/2等，耐压能力达6.4MPa。温度计的切换差不超过基本误差限的1.5倍，重复性误差小于基本误差限值的1/2。2326
Product Overview
The WZP-270U bimetal thermometer with electrical contact is an industrial-grade temperature measurement instrument designed based on bimetal sensing principle. It provides direct measurement for liquids, steam and gases within -80℃ to +500℃ range. The product features local temperature display with clear reading, combined with automatic control and alarm functions through contact switching mechanism. The stainless steel protection tube ensures corrosion resistance and pressure withstand capability, making it suitable for petrochemical, power generation and metallurgical applications. Multiple dial sizes and flexible installation options are available to meet different operational requirements.18
Key Features
The WZP-270U utilizes precision-engineered bimetal helix element that drives both indicating pointer and control contacts with temperature variation. Its weatherproof enclosure and specially treated internal components effectively minimize vibration interference. The thermometer offers axial, radial or adjustable angle mounting styles with optional threaded or flange fixing methods for versatile field installation. The clearly graduated dial shows smooth pointer movement while the reliable contacts ensure long service life. Customizable protection tube lengths and material options including 1Cr18Ni9Ti stainless steel accommodate various medium conditions.1214
Applications
This electrical contact bimetal thermometer finds wide applications in reactor temperature monitoring for petrochemical plants, steam pipeline measurement in power systems, machinery thermal protection and process control for food & pharmaceutical production. It is particularly suitable for scenarios requiring both local indication and remote control such as boiler temperature supervision, HVAC systems and industrial ovens. The safety-oriented design makes it competent for explosive atmosphere. Its compact structure and stable performance have made it an ideal choice for industrial temperature measurement.317
Technical Specifications
The WZP-270U delivers 1.5-class accuracy with thermal response time ≤40 seconds. Operating environment ranges from -25℃ to +55℃ at ≤85% relative humidity. Contact rating reaches 10VA (resistive load) with 0.7A maximum current. Available dial diameters include 100mm and 150mm versions while protection tubes come in φ6, φ10 or φ12mm diameters depending on length. Standard mounting threads include M27×2 and G1/2 with pressure resistance up to 6.4MPa. The switching differential stays within 1.5 times of basic error limit while repeatability error remains below half of basic error limit value.2326
电接点双金属温度计
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应用
电接点双金属温度计应用于生产现场对温度需自动控制和报警。直接测量各种生产过程中-80～500℃范围内体、蒸汽
和气体介质温度。
电接点双金属温度计的特点：
• 现场显示温度，直观方便；
• 具有自动切断电源和报警功能；
• 安全可靠，使用寿命长；
• 多种结构形式，可满足不同要求。
工作原理
电接点双金属温度计是利用温度变化时带动触点变化，当其与上下限触点或断开的同时，使电路中的继电器动作，从而自动控制及报警。
主要技术参数
• 产品执行标准：JB/T8803-1998 GB3836-83
• 标度盘公称直径：100
• 精度等级：（1.0），1.5
• 热响应时间：≤40S
• 防护等级：IP55
• 正常工作大气条件：温度-25～+55℃，相对湿度≤85%
• 设定点误差：设定点误差应不超过基本误差限的1.5倍。
• 切换差：切换差应不超过基本误差限的1.5倍。
• 切换重复性：切换重复性极限范围不大于基本误差限值的1/2。
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