Capillary Type Temperature Gauge for Transformers - WTZK Series
Working principal & Application
WTZK-02/03 Series Transformer Temperature Controller (BWY-02/03 Series Transformer Temperature Controller), be applicable to measure the temperature of transformer oil or other liquid, airs and steam. And when the temperature that measured is reached or exceeded the initial value it will send out the contact-point signal. It is suitable for taking measurement and control of oil temperature in transformer that over 500KVA. The temperature controller is consist of temperature bulb(the temperature detector), capillary tube and elastic component. Inside the 3 parts of the temperature controller is filling with temperature-sensing medium as a sealed system. When the measured temperature changes the volume of actuating medium in the temperature bulb will be changed along with linear graduation. This volume increment is transmitted by capillary tube to take a corresponding linear displacement. After magnifying the linear displacement by a special amplifier, the measured temperature can be indicated and switch on a micro switch to send out a signal.
TECHNICAL SPECIFICATION
1. MEASURING SCOPE: 0~100℃
2. INDICATIVE ACCURACY: 1.5grade
3. SWITCH FUNCTION
3.1 setting accuracy: ±3℃
3.2 switch difference: 6±2℃
3.3 rated power: AC220V/1.5A
4. BULB DIMENSION: φ14×150
5. INSTALLING DIMENSION OF BULB: Male Thread M27×2
6. INSTALLING DIMENSION OF GAUGE: 3 Apertures φ6 144×210
7. STANDARD PERSET VALUE OF SWITCH: First limit: 55℃ Second limit: 80℃
The functionality of the WTZK Series extends beyond mere temperature measurement. Engineered with sophistication, these temperature controllers adeptly serve to monitor the temperature of not only transformer oil but also other critical mediums such as liquids, air, and steam. Their versatility is underscored by their application across diverse settings, embodying an essential tool for maintaining the integrity and performance of your transformer systems. Delving deeper into the working principle, the WTZK-02/03 Series operates on a principle that is as ingenious as it is effective. Utilizing a capillary system, it translates thermal variations into mechanical displacements. This conversion is attributed to the thermal expansion of the fluid within the capillary tube, which, in turn, drives the measurement display. Such a mechanism ensures a high degree of accuracy and responsiveness, pivotal for the real-time monitoring and management of transformer temperatures. It is this precision and reliability that position the WTZK Series, particularly the capillary type temperature gauge, as the instrument of choice for safeguarding your transformer's operational efficiency and longevity.
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