电接点双金属温度计WZPK2-135SA 供应
产品概述
电接点双金属温度计WZPK2-135SA是一种广泛应用于工业现场的测温仪表,适用于液体、蒸汽和气体介质的温度测量与控制。其测温范围为-80℃至+500℃,能直接在生产过程中实现温度监测与自动报警功能。该产品采用多层金属片螺旋卷设计,通过温度变化引起的金属膨胀差异驱动指针旋转,直观显示温度值,同时通过机械触点联动电路实现控制信号输出。表壳采用防水防腐材料,整体结构坚固耐用,适应石油、化工、船舶、机械等复杂工业环境。146
核心特点
WZPK2-135SA电接点双金属温度计具备现场显示功能,读数直观便捷。其触点机构可在温度达到设定值时自动触发电路动作,实现电源切断或报警,无需外部供电,安全可靠。产品设计注重耐震性,部分型号内部充装硅油或采用分离式结构以减少环境振动影响。保护管材质为不锈钢(如1Cr18Ni9Ti),抗腐蚀且承压能力强,支持多种安装方式(如轴向型、径向型、万向型),适配不同现场需求。热响应时间≤40秒,精度等级为1.0或1.5级,满足工业场景的精准测量要求。41421
技术参数
WZPK2-135SA标度盘公称直径为100mm,防护等级达IP55,可在-25℃至+55℃环境温度及≤85%湿度条件下稳定工作。电气参数方面,触点额定功率为10VA(无感负载),最高工作电压380V,切换差不超过基本误差限的1.5倍。产品采用螺纹连接(如M27×2),安装时需确保保护管浸入介质长度大于100mm(0-50℃量程建议150mm),以保障测量准确性。61825
应用场景
该温度计适用于需温度自动控制的场景,如石油炼化中的管道蒸汽监测、化工反应釜温度报警、发电机组冷却系统保护等。其耐腐蚀、防水设计也适合船舶机舱、食品加工设备等潮湿或腐蚀性环境。用户可根据需求选择不同探杆长度(75-2000mm)及安装形式(固定螺纹、卡套法兰等),灵活性高。4722
Product Overview
The WZPK2-135SA bimetallic thermometer with electrical contacts is designed for temperature measurement and control in industrial settings, covering a range of -80℃ to +500℃. It utilizes a spiral-wound bimetallic strip to drive the pointer, providing direct reading without external power. The stainless steel protective tube ensures durability in harsh conditions like chemical plants or oil refineries. 110
Key Features
This model features a clear dial display (100mm diameter) and mechanical contacts for automated circuit control at preset temperatures. Its vibration-resistant design includes silicone oil filling or separable components. Available in axial, radial, or adjustable-angle configurations, it supports versatile installation with threads (e.g., M27×2) or flanges. The IP55 rating guarantees resistance to dust and water splashes. 1421
Technical Specifications
The WZPK2-135SA operates reliably in ambient temperatures from -25℃ to +55℃ (≤85% humidity). Contact ratings include 10VA (resistive load) and 380V max voltage. Response time is ≤40 seconds, with accuracy of ±1.0% or ±1.5% FS. Minimum immersion depth is 100mm (150mm for 0-50℃ range) to ensure precision. 1825
Applications
Ideal for automatic temperature monitoring in pipelines, reactors, or HVAC systems, this thermometer suits industries like petrochemicals, power generation, and marine engineering. Customizable probe lengths (75-2000mm) adapt to diverse equipment layouts. 422
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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