Automatic Verification and Calibration System of Temperature

Productoverview:
ZW-Y8001 series Is in the Windows environment, full use of language to develop a new generation of product under Windows environment, system is based on the microcomputer as the core, with high precision imported digital multimeter, and a low potential scanning switch, the power regulator is composed of measurement and control system.The operator can be in Chinese Win98/ Win2000/ WinMe operating system conveniently with the mouse of the whole process of operation, the microcomputer system for real-time display calibration furnace (or oil tank, water), temperature control curve and test time parameters.
Second, the function of the system.
ZW-Y8001 series According to the national metrological verification data processing, and can print various record form and verification certificate, but also keep the original records for future reference.The system has realized all automation, thermocouple and thermal resistance test process: automatic temperature control, automatic calibration, automatic data processing, automatic print verification results.The labor intensity is greatly reduced, and improved the quality of verification work.The device also provides certification program of the system and data file management procedures for certification and verification of the system operator archiving, retrieval and query provides a convenient.
Three, system execution rules:
1, JJG141 - 88, 10 - Industrial Platinum Rhodium 13 Platinum Rhodium Platinum thermocouple;
2, JJG668 - 1997, 10 - Industrial Platinum Rhodium 13 Platinum Rhodium Platinum thermocouple verification regulation of short;
3, JJG29082 industrial platinum 30 rhodium 6 thermocouple verification regulation;
Verification regulation of base metal thermocouple with 4, JJG3511996 industry;
5, JJG36884 industrial copper constantan thermocouple verification regulation;
6, JJG229 - 1998 industrial platinum copper heat resistance test procedures.
Fourth, the main features:
1. high precision and high resolution accuracy: 0.005% resolution 0.1MV;
2. high degree of automation: automatic temperature control, automatic calibration, automatic data processing, automatic print verification record and verification certificate;
3. advanced methods of operation: the use of Windows software, Win98/WinXP system can operate with the mouse;
4. visual display: display in the verification process of real-time display of temperature (or oil tank, water tank and so on) the temperature curve, cold temperature, temperature control thermocouple MV values (resistance) and test time;
5. complete function, flexible configuration: the test of various of thermocouples and heat resistance, has a variety of temperature compensation and multiple table interface driver: detection of temperature can be set arbitrarily, the system has manual / automatic switching function, the whole operation button;
6. temperature control of high precision, short time verification: the temperature control algorithm, temperature to ensure the verification process change rate is less than 0.2 Deg. C /min, C < 0.04 /10min oil tank;
7. high degree of standardization, the report specification: verification data processing, verification record verification certificate in accordance with the regulations of national current standards and metrology;
8. has a system test function: the system is equipped with the thermocouple calibration device itself certification test module, automatic verification device of thermocouple and thermal resistance of the total uncertainty, repeatability error and temperature field test furnace and oil tank for testing and sorting to print out the certification report;
9. data management system has functions: data file management function, can store, archive and retrieve the verification report;
10. perfect protection measures: the system of digital meter, main control box, thyristor regulator, special interface and wire connection to self check;
11. the hardware design is reasonable, advanced production technology, the key parts are imported components, controllable silicon regulator, can provide three way adjustment function output, provide convenient for different controlling object conversion.
Five, temperature range:
1, the thermocouple 300 to 1100 DEG c;
2, the thermal resistance of 0~300 DEG C.
Six, detection of thermal resistance type:
1, work with S, K, thermocouple: E, J, N, EA2, B, T (U, L) type;
2, work with heat resistance: Cu50, Cu100, Pt10, Pt100 and other nine models.
Seventh, the detection accuracy:
1, voltage measurement accuracy is better than 0.02%, the resolution of 0.1 V;
2, resistance measurement accuracy is better than 0.02%, the resolution of 0.1M;
3, the measuring channel parasitic potential is less than or equal to 0.4 V;
4, the maximum heating rate constant temperature equipment: tube calibration furnace 30 /min < C > 2 C /min oil tank.
Eight, the temperature control accuracy:
1, tube calibration furnace and deviation less than 5 DEG C preset detection point;
2, oil (water) tank temperature deviates from the preset point less than 1.5 DEG c;
3, test measurement (tank), furnace temperature stability;
4, tube calibration furnace temperature is not higher than 0.2 DEG /min and less than or equal to 0.5 DEG /10min;
5, the oil tank temperature is not higher than 0.02 DEG /min and less than or equal to 0.04 DEG /10min.
6, the cold end temperature automatic compensation;
7, when the cold end temperature at 20 - 10 DEG C range, the compensation error is less than 0.2 DEG c;
8, each test point detection time is about 1.5min;
9, uncertainty of the calibration results (including standard error, the confidence probability is 99.8%);
Thermocouple: less than or equal to 1.2 DEG C, the repeatability error is not higher than 0.2 DEG (600 DEG C);
Heat resistance: less than or equal to 0.05 DEG C, the repeatability error is not higher than 0.012 DEG (100 DEG C).
Number nine, system:
1: 6, the thermocouple (including standard thermocouple 1);
2, thermal resistance: 6 (including 1 standard thermal resistance);
3, test data processing strictly according to the standard of current national metrological verification regulations and requirements;
4, anti disturbance performance: String = 46db = 100dB; common mode;
5, the working environment: 0~40 degrees Celsius temperature, when the temperature exceeds the (20 + 5) C should be revised by temperature.The relative humidity is lower than 70%;
6, power supply: 220V + 10%AC, 50Hz. and good grounding (earthing resistance less than 5 ohm);
7, power consumption: tube calibration furnace: 2KW; oil tank (water): 4KW;
8, detection system: 500W (including computer system).
Ten and other ancillary equipment:
The verification of the furnace, oil (water), see "JJG35-96 JJG229-98 slot index", less than 400mm long thermocouple testing furnace should choose short.
1, ice machine;
2, a set of special software;
3, tube calibration furnace;
4, special I communication cable three;
5, an oil tank (tank) (order matching);
6, freezing device (a ice bottle (attached) tube seven);
7, the cold end of a temperature sensor with automatic compensation;
8, I/O, IEEE488 special Luca a;
9, two standard thermocouple (type S) a (order matching);
10, two standard platinum resistance thermometer (an order matching);
11, a thyristor voltage regulator (three output: test furnace, oil tank, water tank);
12, a host (61/2 digital multimeter, 10 x 4 scanner, I/O interface);
13, a set of computer (including host, keyboard, mouse, VGA color display, printer etc.).
Eleven, system configuration list:

Note: the automatic check system according to the national metrological verification data processing, and can print various record form and verification certificate, but also keep the original records for future reference.