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Thermal automatic calibration device
1、 Overview: The intelligent thermal calibration system is the latest product developed to meet the requirements of automatic calibration of large qua
Product details
1、 Overview
The intelligent thermal calibration system is the latest product developed for the automatic calibration of large quantities of thermocouples and thermal resistors. The intelligent thermal calibration system is a measurement and control system composed of a high-end microcomputer as the core, equipped with high-precision digital multimeter, low potential scanning switch, and management software. The operator can easily operate the entire process with a mouse under the WinXP/UNIX/LINUX operating system, and the microcomputer system displays the temperature control curve, temperature, and calibration time parameters of the calibration furnace (or oil tank, low-temperature tank, etc.) in real time. The system fully processes data in accordance with the current national metrological verification regulations, and can print various record forms and verification certificates. It can also retain original records for future reference. The system has fully automated the calibration process of thermocouples and thermal resistors, including automatic temperature control, automatic calibration, automatic data processing, and automatic printing of calibration results. Greatly reducing the labor intensity of operators and improving the quality of calibration work. This device also provides authentication programs and data file management programs for the system, providing convenience for operators to archive, retrieve, and query the authentication and verification results of the system. The HK-R1 intelligent thermal calibration system can be used to calibrate various temperature instruments such as thermocouples, industrial resistance thermometers, expansion thermometers, as well as various temperature sensors and transmitters, and to calibrate second-class standard thermocouples.
IITECHNICAL INDEX
1. Parasitic potential of scanning switch: ≤ 0.4μV；
2. Accuracy:
The uncertainty of potential measurement is ≤ 0.01%;
Resistance measurement uncertainty ≤ 0.01%;
The uncertainty of thermocouple calibration is ≤ 1.2 ℃;
The uncertainty of thermal resistance calibration is ≤ 0.05 ℃;
3. Resolution: Potential: 0.1 μ V Resistance: 0.1m Ω;
4. Temperature control accuracy: When calibrating thermocouples, the temperature deviation from the calibration point should not exceed ± 5 ℃;
The temperature deviation from the calibration point during the verification of thermal resistance shall not exceed ± 2 ℃;
5. Constant temperature stability: During the thermocouple calibration process, the furnace temperature change rate after constant temperature is ≤ 0.2 ℃/min;
The temperature change rate of the oil tank after constant temperature during the thermal resistance calibration process is ≤ 0.04 ℃/10min；
6. Verification temperature: any 5 ℃ point between 300-1200 ℃ for thermocouples;
Thermal resistance at any 10 ℃ point from 0 to 300 ℃;
7. Verification quantity: Thermocouples can be calibrated for 1-10 units simultaneously, allowing for multiple batches to be tested at the same temperature pointDing;
8. Calibration mark for thermocouples: S、K、E、R、B、T、N、J；
9. Calibratable thermal resistance index number: Pt100、Pt50、Pt10、Cu100、Cu50、BA1、BA2、G；
10. Average temperature rise and calibration time for each calibration: about 30 minutes.
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