Following our previous discussion on the standard MZ6 PTC temperature sensor by Focusens, this article dives into the wide array of customization options available for special shaped configurations. These customizable features enable the MZ6 PTC sensor to meet diverse application requirements, offering unparalleled versatility in motor and electrical equipment protection. Customization Options for the MZ6 PTC Temperature Sensor One of the most appealing aspects of the MZ6 PTC temperature sensor is its ability to be tailored for specific use cases. Focusens provides various special shaped customizations, ensuring that each solution is optimized for performance and ease of installation: Custom lead wire lengths and interconnection designs to fit specific equipment layouts. Tailored cable insulation materials and crosssections to withstand harsh environmental conditions. Precrimped connectors or terminals that simplify the installation process and reduce setup time. Enhanced dielectric strength or additional insulation provided by protective tubes, ensuring maximum safety. Metal housing options, such as M3 aluminum screw joints, for secure mounting and protection in specialized environments. These flexible customization options make the MZ6 PTC sensor adaptable for various industries, including automotive, industrial machinery, and household appliances. Customizing your sensor allows you to achieve the best fit for your application, ensuring optimal overheat protection. The 3 PTC thermistor configurations ensure reliability and precision. Why Choose Focusens for Custom Temperature Protection Solutions? Focusens is a leader in temperature sensing solutions, delivering products built to last. The MZ6 PTC temperature sensor responds quickly to temperature changes and performs under tough conditions. It is an outstanding choice for those seeking customizable options that comply with RoHS, IEC6003411:2004, and DIN VDE V08981401:2016 standards. These features make it ideal for protecting motors, transformers, and various electrical devices from overheating. Achieving Optimal Performance with Custom PTC Thermistor Configurations Whether you need a standard PTC thermistor or a customized design, the MZ6 PTC temperature sensor provides the flexibility, durability, and reliability your operations demand. By opting for Focusens' customization services, industries can ensure their equipment stays protected and operates efficiently, even in the most challenging environments.

Direct answer: To test a PTC thermistor, power off the circuit, isolate at least one lead, set the multimeter to ohms, and measure the cold resistance near 20-25 C. Then apply gentle heat and watch the reading. A working PTC increases resistance as it warms and drops back after cooling. OL when cold usually means open; near-zero ohms usually means a short or wiring fault. What This Test Can And Cannot Tell You A multimeter test can tell you whether the PTC is open, shorted, responding to heat, resetting after cooling, or possibly not a PTC at all. It is useful for repair screening, incoming inspection and field diagnosis. It cannot fully certify the rated switching temperature of a motor-protection PTC unless the test uses controlled temperature equipment and the correct datasheet limits. For safety-critical motor protection, use the multimeter test as a first check, then confirm the TK/TNAT and relay compatibility before replacement. Tools And Safety Notes Tool or condition Why it matters Digital multimeter with ohms mode Measures cold resistance and heat response Datasheet or part marking Defines the expected room-temperature value Gentle heat source Hairdryer, low hot-air setting or controlled hot plate Safe isolation Prevents false readings from parallel circuit paths Known-good resistor Quick check if the meter reading looks suspicious Power off and discharge the equipment before measuring. If the PTC is still connected to a board, relay input or motor circuit, disconnect one lead or unplug the sensor where practical. In-circuit testing can confirm a gross open or short, but it can also hide the real PTC value behind parallel components. Do not use a flame. Do not overheat a small bead or motor winding sensor just to force an OL reading. The goal is to confirm a rising resistance trend and reset behavior, not to destroy the part. Four-Step Multimeter Test Step What to do Pass result 1. Isolate the PTC Power off the equipment and disconnect one lead, connector or relay input where practical The meter sees the PTC, not the surrounding circuit 2. Measure cold resistance Set the meter to ohms or auto range and read the PTC at about 20-25 C Reading is close to the datasheet value 3. Apply gentle heat Warm the body with controlled hot air, a hairdryer or a low-temperature hot plate Resistance increases as temperature rises 4. Let it cool and reset Remove heat and wait for the part to return near room temperature Resistance falls back near the cold value For a small ceramic switching PTC, the cold value may be low ohms to a few hundred ohms depending on the part. For silicon PTC/KTY-style sensors, the room-temperature value is often around 1 kOhm. Always use the datasheet as the pass/fail reference. Result Interpretation Table Multimeter reading Likely condition What to do Cold value matches datasheet Basic continuity is normal Continue with heat-response test Resistance rises with heat Normal PTC behavior Sensor passes the...

At Focusens, we’re not just about temperature sensing solutions; we’re about ensuring safety, efficiency, and peace of mind across countless industries. Our PTC temperature sensors are more than mere components; they are essential guardians that monitor and control temperature in ways that profoundly impact our daily lives. Let’s explore the vital roles these sensors play and why they matter so much. What Makes PTC Temperature Sensors Unique? PTC, or Positive Temperature Coefficient, describes a remarkable property: as temperature rises, so does the resistance of these sensors. This characteristic makes them invaluable in applications requiring precise temperature oversight, whether for protection or measurement. 1. Safeguarding Motors Imagine the hum of a motor, working tirelessly behind the scenes. PTC sensors are there, quietly vigilant. When temperatures spike, these sensors spring into action, raising their resistance to trigger a shutdown or protective response. This simple yet powerful mechanism prevents overheating and damage, enhancing the motor’s reliability and extending its life. For businesses, this means fewer repairs and more confidence in their operations. 2. Enhancing Household Comfort In our homes, PTC temperature sensors work silently to create comfort. In ovens, they ensure even cooking, while in refrigerators and air conditioners, they maintain optimal temperatures, preventing spoilage and enhancing energy efficiency. It’s a small but significant way these sensors contribute to our everyday lives, allowing us to enjoy the comforts of home with peace of mind. 3. Driving Automotive Innovation In the fast-paced automotive industry, PTC sensors are indispensable. They monitor vital engine temperatures, optimizing performance and fuel efficiency. For electric vehicles, these sensors safeguard battery health, ensuring a smooth and safe ride. With every journey, drivers benefit from the safety and efficiency these sensors provide. 4. Supporting Industrial Efficiency In factories, where precision and safety are paramount, PTC sensors serve as watchful protectors of industrial equipment. By detecting overheating, they can trigger alarms or automatic shutdowns, preventing costly equipment failures. This not only safeguards investments but also enhances overall operational efficiency, allowing companies to focus on what they do best. 5. Optimizing HVAC Systems In the realm of heating, ventilation, and air conditioning (HVAC), PTC temperature sensors are key players. They provide accurate data that helps maintain comfortable indoor environments. Whether ensuring that heating elements operate safely or keeping cooling systems efficient, these sensors enhance our everyday comfort while promoting energy efficiency. 6. Protecting Power Supply Units In the intricate world of electronics, PTC sensors monitor temperatures to protect power supply units from overheating. When temperatures rise, they activate protective measures, ensuring the safe...

Recently, Focus Sensing and Control Technology Co., Ltd. (or "Focusens") marked a truly momentous occasion: its 10th anniversary. On this special day Oct.18th.2024, the air buzzed with excitement as all employees gathered at the company headquarters, ready to celebrate a decade of achievements, camaraderie, and shared dreams. The celebration kicked off with vibrant lights and uplifting music, setting the stage for a night to remember. Chairwoman Ms. Liu took the floor with an impassioned speech, reflecting on the incredible journey of Focusens over the past ten years. From a tiny professional entrepreneurial team to experts enterprise in temperature, humidity, and liquid level sensing, every milestone has been fueled by the dedication and hard work of the entire staff. "For ten years," she expressed, "we have held steadfast to our core values of innovation, quality, and service. Today marks a new beginning, and together, we will elevate Focusens to new heights, leading the global sensing industry." Her words resonated deeply, earning heartfelt applause from the audience. The party soon transitioned into a lively performance segment, where colleagues from various departments showcased their talents through songs, dances, and sketches.  The evening was not just about performances; it was also filled with engaging interactive sessions. Through exciting games and a spirited lottery, every employee joined in the celebration, reveling in the joy of togetherness. As a token of appreciation, the company presented each employee with thoughtful souvenirs, a heartfelt gesture recognizing their invaluable contributions. As night enveloped the festivities, a sumptuous dinner commenced. Tables overflowed with delicious dishes, and glasses were raised in toasts, filled with laughter and dreams for the future. In these moments, friendships deepened, and the collective confidence in Focusens’ future blossomed. Reflecting on its past, Focusens has achieved remarkable milestones in the realms of temperature, humidity, and liquid level sensing. With cutting-edge technology and an unwavering commitment to quality, the company has earned the trust of clients across over 80 countries. Through continuous R&D and innovation, more than 100 new products are launched each year, tailored to meet diverse industry needs. Looking ahead, Focusens remains dedicated to its core values of "innovation, quality, and service." The company is poised to enhance its R&D efforts, improve product quality, and expand into international markets. Strengthening collaboration with global partners will be pivotal in advancing sensor technology and shared success. This tenth anniversary celebration is not just a tribute to past achievements; it symbolizes a vibrant vision for the future. Together with our dedicated employees and valued customers, Focusens is excited to embark on this new chapter, crafting an even brighter future for all.

At Focusens, we know that thermistors are more than just components; they are the heart of temperature sensing applications that keep our world functioning smoothly. Among the two main types, NTC (Negative Temperature Coefficient) and PTC (Positive Temperature Coefficient) thermistors, understanding how to identify them is key to selecting the perfect fit for your needs. Let’s dive into their unique characteristics and the methods to distinguish between them. What Are Thermistors? Thermistors are temperaturesensitive resistors that change their resistance in response to temperature fluctuations. This remarkable property makes them ideal for a variety of applications, from motors humming to life in factories to the everyday appliances in our homes. Exploring NTC and PTC Thermistors NTC thermistors are fascinating in their behavior: as temperatures rise, their resistance drops. This makes them perfect for applications like precise temperature sensing, inrush current limiting, and overcurrent protection. In contrast, PTC thermistors work their magic differently. As temperatures increase, their resistance rises. They are often the unsung heroes in motor protection, selfregulating heaters, and temperature control systems, stepping in to safeguard equipment from damage. Key Differences Between NTC and PTC Thermistors 1. Resistance Behavior: NTC Thermistors: Resistance decreases as temperature increases—ideal for accurate temperature measurements. PTC Thermistors: Resistance increases with temperature, serving as protectors against overheating. 2. Applications: NTC Thermistors: Found in devices needing precise temperature readings, like digital thermometers and temperature controllers. PTC Thermistors: Essential for applications such as motor protection circuits and resettable fuses. 3. Temperature Range: NTC Thermistors: Typically function over a broad range of temperatures. PTC Thermistors: Operate at specific temperatures, providing targeted protection. How to Identify NTC and PTC Thermistors Identifying whether you have an NTC or PTC thermistor can be simple and straightforward. Here are some effective techniques: 1. Visual Inspection Start by taking a close look at the thermistor. Many have part numbers printed on them, often indicating whether they are NTC or PTC. Checking the specifications listed on the component or packaging can also offer quick insights. 2. Testing Resistance with a Multimeter A multimeter is your best friend in this identification process. Here’s how to use it: Step 1: Ensure the device is powered off—safety first! Step 2: If necessary, disconnect the thermistor from the circuit. Step 3: Set the multimeter to measure resistance (ohms). Step 4: Measure the resistance at room temperature (around 20°C to 25°C). Step 5: Gently heat the thermistor using a heat source (like a heat gun) and measure the resistance again. Interpreting Results: If resistance drops as temperature rises, you have an NTC thermistor. If resistance inc...

In order to promote the company's product service quality and management level to further improve, promote the comprehensive management system of high quality operation, recently, the company accepted the quality, occupational health and safety management system certification supervision and audit and passed smoothly. After the audit, the audit group of experts agreed that the company's business performance steadily growth, product quality and customer satisfaction continue to improve, the suitability of the management system, adequacy and effectiveness in line with the certification requirements. In view of the problems found in the audit process, the audit team put forward improvement suggestions from strengthening the product quality process control level, and the two sides carried out full communication. The certification audit passed smoothly, marking the healthy and sustainable development of the company in the standard system construction and operation standards, but also means that the company's competitiveness, innovation, control force, influence to a new level, will boost the company's high-quality development line stable and far.

          In order to ensure the smooth operation of the company's ISO9001 2016 quality system, on March 9,2023, the company held 2023 ISO 9001 2016 quality system internal audit mobilization meeting. Company General manager Liu and internal audit team all members attended the meeting.          At the meeting, the quality department reported the company's ISO9001 2016 quality system annual internal audit implementation certification work plan, around the system personnel allocation, quality management and personnel ability to improve the company's quality management system work proposed specific requirements.          General Manager Liu requirements, one is to understand the company's management operation and product market status quo, deeply understand the urgency of ISO9001 2016 quality management system certification. Second, the heads of all departments should attach great importance to personnel training. The third is to incorporate the operation of the quality management system into the performance assessment. The internal auditor should be familiar with the business process of the department, have enough sense of responsibility, dare to find problems, put forward problems, eliminate problems, and jointly promote the company's quality management system to be more perfect and efficient operation.

      We warmly celebrate the honorary title of "2022 Gazelle Cultivation Enterprise of Hefei High-tech Zone". "Gazelle Enterprise" refers to an enterprise that has entered into a long-term period of high growth, which is characterized by fast growth, strong innovation ability, new professional fields and great development potential. It is the wind vane of regional economic development and can accelerate the high-quality development of regional economy. This award is a recognition of the level of sensor technology and innovation strength of Focusens. In the New Year, the company will make continuous efforts to improve the core competitiveness, release the potential of innovation, like a gazelle into the fast track of sustainable high quality development.