EPCOS promotes the use of NTC thermistor for high-precision medical thermometers

The new disposable thermometer produced by EPCOS has the characteristics of high accuracy (up to ± 0.1K) and rapid response (7s). When used to measure patient temperature, the operation is simple and fast. The design concept of disposable sensors benefits from mature ceramic technology, namely chip based negative temperature coefficient (NTC) thermistors, and uses materials approved by the US Food and Drug Administration (FDA), such as polypropylene, as well as new processes used. By using a low-temperature process to connect the NTC chip and copper leads with silver paste, the impedance drift of the NTC thermistor caused by the process can be minimized to the greatest extent possible. Using other connection techniques such as soldering or welding cannot achieve such an effect. The biggest advantage of disposable thermometers is their very short response time. If traditional methods are used to shorten measurement time, complex prediction methods must be used to infer the patient's expected body temperature. The solution proposed by EPCOS does not require this approach. Therefore, there is no need to incur additional electronic device costs.diode

EPCOS has developed reusable thermometers for long-term measurement, such as monitoring the temperature of patients during surgery or infants in incubators. The product is characterized by high precision, sturdy structure, and the ability to withstand cyclic disinfection. It can be disinfected at 121 ℃ for 20 minutes or at 134 ℃ for 4 minutes, and its cycle life is over 100 times. The injection molding technology used by EPCOS ensures that the product has good moisture resistance. In contrast, sensor systems produced using traditional encapsulation techniques have lower impermeability. Another advantage of it is the use of double insulation and high flexibility cables, with an insulation impedance exceeding 100M Ω, ensuring reliable performance when measuring skin surface temperature.diode