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JG-WZJ-T Thermocouple, RTD automatic calibration device

JG-WZJ-T-type thermal automatic verification system is the latest developed the fourth generation of automatic verification of thermal products. It is in the Windows environment, the full use of the language under Windows environment, develop a new generation of products, systems based on high-end microprocessor as the core, together with imports of high-precision digital multimeter, and low potential scan switch, power regulator and other form of monitoring and control System. Operator in the Chinese Win95 / Win98 / WinMe operating system easily with the mouse the whole process of operation, computer systems real-time display test furnace (or tank, etc.) temperature curve, parameters such as temperature and test time. System is fully in accordance with national verification procedures for data processing, and can print a variety of record forms, test certificate, can retain the original records for future reference. System is fully implemented thermocouple and thermal resistance of the full automation of the certification process, namely: automatic temperature control, automatic test, automatic data processing, automatic print test results. Allow the operator to greatly reduce the labor intensity and improve the quality of the work test. The device also provides the system's certification program and data file management procedures, operator certification and verification of the results of the system archiving, retrieval and search more convenient. Specifications Potential scan switches parasitic ≤0.4 u V Resolution Measurement of the maximum potential resolution 0.1 u V The highest resolution resistance measurement 0.1m Ω Accuracy Resistance Measurement Uncertainty ≤0.01% Resistance Measurement Uncertainty ≤0.01% Uncertainty of thermocouple test ≤1.2℃ （Second annual change with standard thermocouple 0.7℃) Uncertainty of heat resistance test ≤0.05℃ The stability of temperature After the certification process temperature thermocouple temperature changes ≤0.2℃/min After the verification process of thermal resistance constant temperature tank ≤0.04℃/min Automatic cold junction compensation When the cold junction temperature (20 ± 10) ℃ range, the compensation error ≤0.2℃ Test temperature Thermocouple 300～1100℃ Thermal resistance 0 ~ 300 ℃ (including temperature thermocouple) Test count Thermocouple can be supported simultaneously test 1-5 Thermocouple can be supported simultaneously test 1-5 ，Thermal resistance at the same temperature point to allow multi-batch testing Point of a continuous test Thermocouple 4 Thermocouple3个 Test time Thermocouple test, under normal conditions, about 30 minutes per Baidu Work environment Ambient temperature 20℃±3℃ Relative Humidity ≤75% Use the power AC220V±10% 50±1HZ Require grounding resistance ≤4Ω System hardware configuration JG-WZJ-T thermal automatic verification system consists of high-precision digital multimeter, master box, SCR controller, computer system, the thermostat (test furnace and tank) and measure the composition of wire and communications cable, as shown . JG-WZJ-T thermal instrumentation, automatic check system configuration list Computer System Name Units Quantity Remarks Host Sets 1 Configuration P4 2.0 or above 256M 60G, optical floppy drive, control board (assembled) Monitor Taiwan 1 17-inch flat screen Laser Printers Taiwan 1 EPSON or CANON Series Computer desk Zhang 1 Communication cable Root 1 Multi-outlet 2.peace 2 Data Acquisition System Master Box 2.peace 1 Measurement and control cables Sets 1 Multimeter (import) Root 1 KEITHLEY 6 1 / 2 bit (import) Temperature Sensor Support 1 With cold junction compensation Temperature control system SCR regulators Taiwan 1 Control signal Root 1 Power Line Root 1 Other accessories Test tube furnace Taiwan 1 Standard tank Taiwan 1 Standard tank Taiwan 1 Freezing device Taiwan 1 Ice record Taiwan 1 Second-class standard of thermal resistance Support 1 Second-class standard thermocouple Support 1 Second standard pipe thermometer work Sets 1 Software Information Sets 1 Software CD-ROM, certificate, statement