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I.Overview

DTZ-01S Noble Metal Thermocouple Wire Automatic Calibration System is a fully automatic metrology and testing platform tailored for the production and manufacturing process of noble metal thermocouple wires. Its core technology focuses on noble metal platinum-rhodium wire/platinum-rhodium thin wire thermoelectric potential measurement, paired platinum-rhodium thermocouple calibration, standard platinum-rhodium thermocouple calibration, and industrial noble metal thermocouple calibration/verification.

The system integrates core components such as multi-channel low-potential scanner, digital multimeter, and calibration furnace (including high-temperature furnace and palladium spot furnace), and builds a full-link solution from raw material wire property testing to finished thermocouple terminal product calibration. The system adopts a modular control architecture, supports a variety of application scenarios such as Automatic mapping of platinum-rhodium wire thermoelectric potential-temperature relationship curves, standard thermocouple value transfer, and industrial-grade noble metal thermocouple on-site calibration, and realizes a full-process Automatic, high-precision, and smart metrology guarantee system from single-wire testing to paired component testing.

Ⅱ.System Features
1.Flexible and compatible with multiple types of thermocouples
Compatible with standard thermocouples (S, R, B, ST), single-stage noble metal wire positive/ negative pole independent and bipolar pairing test.
2.Support simultaneous batch detection of positive and negative pole pairs
It can simultaneously measure the thermoelectric potential of 8 positive platinum-rhodium wires and 8 negative platinum-rhodium wires with high precision. Relying on multi-channel parallel processing technology, it greatly shortens the test time of a single batch and significantly improves the batch verification efficiency.
3.Support bipolar method and homonymous method simultaneous calibration
It can simultaneously perform forward and reverse polarity sequence verification and same polarity comparison on two sets of thermocouples, and realize measurement result review, abnormal diagnosis and dynamic optimization of production process parameters based on multi-dimensional data cross analysis.
4.Integrated high temperature furnace segmented PID smart temperature control
A multi-stage PID algorithm is used for adaptive adjustment of the temperature rise process in the low temperature section to achieve precise control and fluctuation suppression of the entire temperature range. The real-time current monitoring and load protection mechanism effectively avoids the risk of overload burning, ensuring the stability of the calibration process and the safety of the equipment.
5.Optimizing the adaptive interface of multi-channel low potential scanner
Automatically adapt to the bipolar method and the same-name pole method measurement mode to achieve dual-mode synchronous measurement function, simplify the operation process and eliminate measurement errors caused by wiring differences.
6.Optimizing the linear temperature rise control of palladium spot furnace
Design a high-precision temperature control algorithm based on national standards to ensure that the heating process strictly meets the linear rate requirements, accurately reproduce the palladium point platform, and ensure the stability and consistency of the Pt/Rh filament thermoelectric potential measurement benchmark.
7.Support manual verification and multi-dimensional data fusion
Provides a fully parameter-adjustable manual operation interface, compatible with single/batch data acquisition modes, supports forward and reverse test data fusion analysis, eliminates system deviations through multi-dimensional error compensation algorithms, meets personalized testing needs and improves measurement accuracy.
8.Support non-uniformity test of specified temperature points
Based on the multi-probe array, the thermoelectric potential data of each point is collected synchronously at the target temperature point, and the spatial distribution analysis algorithm is combined to identify the material inhomogeneity defects, accurately evaluate the thermoelectric potential stability of platinum-rhodium wire, and effectively ensure the batch consistency and process reliability of wire.
9.Full process unattended Automatic verification
Integrate multi-threaded control architecture and embedded algorithms to achieve full-link automation from temperature field control, real-time monitoring of multi-channel data to smart processing and Automatic generation of calibration reports that meet specifications. Reduce manual intervention through industrial control-level stability assurance, and significantly improve detection efficiency and result consistency.
10.Smart report generation and output
Automatically generate test record sheets, support the export of original records, realize standardized management and convenient output of test data, and meet the requirements of standardized verification process.
11.Visual monitoring interface
Integrated multi-source data fusion display module, real-time presentation of system operation status, calibration point temperature, multi-channel synchronous acquisition data and error analysis results, providing a graphical operation interface and smart prompt function to ensure that users can intuitively control the entire detection process.
12.Dynamic tracking and historical backtracking of temperature curves
Real-time updates of temperature change curves, support for viewing historical curve data, help users intuitively analyze temperature change trends, and provide visual reference and data traceability capabilities for the calibration process.

Ⅲ.Interface

Full parameter custom configuration Supports users to independently set basic information such as calibration items, calibration points, thermocouple wires, calibration furnace types, standards, serial communication, test environment, etc., providing highly flexible detection parameter configuration to meet diverse calibration needs and personalized operation experience.
Full-process smart monit-oring and visualization The main interface of the system dynamically displays key parameters such as the current temperature of the calibration furnace, set temperature, temperature difference, digital meter reading, heating power and system operation time, realizing all-round real-time monitoring and data visualization of the detection process, ensuring accurate and efficient operation.
Dynamic tracking and his-torical backtracking of temperature curves The temperature change curve is updated in real time, and historical curve changes can be viewed.The curve interface updates the calibration furnace temperature data in real  time.
Smart calculation and integrated report management Automatically calculate the average value and generate a calibration record sheet, supporting the export and viewing of the record sheet. At the same time, the   original test data is Automatically saved to a folder, supporting export, viewing and reference, realizing smart processing and standardized management of test data, and improving calibration efficiency and convenience.