To develop the ideal temperature sensor for your application, a number of important points must be taken into consideration. Based on our technical know-how and our experience from numerous customer projects, we offer you competent advice on new projects, cost saving projects or the exploration of quality improvement potentials.
According to your application-specific requirements, you will receive the appropriate housing geometry and mounting type, the suitable sensor type (thermistor, Pt) with the correct characteristic curve and tolerance class, as well as the specification-compliant design of the protection class and the electrical connection option via an open cable or the connector of your choice.
The development process includes
The most important components of your temperature sensor solution
We develop our temperature sensors in such a way that later in series production all critical production steps, such as electrical connections or potting processes, can be automated. This is the only way to produce larger quantities in series production with the necessary high reproducibility. Ensuring quality in series production already begins with the start of a development, not with the SOP (Start of Production).
Our goal:The 0-error quality of your temperature sensor
One of the most important features of the temperature sensors produced by Testo Sensor GmbH is the proven stable long-term service life in continuous use in your application. Only with this qualified long-term stability over the entire planned lifetime of the temperature sensor, we can ensure that the specified temperature sensor type works error-free over the entire lifetime within the required specification.
To fulfil this high quality standard, two factors are decisive:
Design FMEA (D-FMEA) and Process FMEA (P-FMEA) ensure quality
Only a successfully passed Design FMEA and Process FMEA gives you the assurance that you will receive the necessary 0-fault quality from us.
This step is already done during the construction phase of your temperature sensor. Findings from the field tests are systematically included even before the start of series production. The aim of the design FMEA is to reliably identify possible weak points in the sensor design and in the individual components used of the temperature probes.
- Does the selected material withstand the loads over the service life?
- Are only materials used which are also approved for the application?
- Do the materials used work together perfectly?
Especially with regard to the thermal expansion behaviour?
Subsequently, potential weaknesses are evaluated according to their probability of occurrence and their impact on the overall design of the product. By the systematic recognition and elimination of errors we achieve the certainty that the respective temperature sensor type of Testo Sensor GmbH is optimally adapted to your application.
Once the sensor design has been qualified and is ready for series production, the process FMEA checks all production steps and examines them for risks of error. It must be ensured that the assembled temperature sensor corresponds exactly to the previously qualified sensor design after completion of all production steps.
- Which errors can theoretically be made at each production step?
- How would each possible error affect the behaviour of the temperature sensor and its function in the short and long term?
All potential errors are evaluated according to probability of occurrence and effect and then eliminated or reduced by optimizing the relevant process step. Ensuring is that every product made in the series process corresponds exactly to the product you have released and which has been qualified.
These are the next steps...
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