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YH2000 Thermocouple and Thermal Resistance Temperature Automatic Calibration Device
YH2000 temperature (thermocouple, thermal resistance) automatic calibration device is designed and manufactured strictly in accordance with relevant national calibration regulations. It is used to calibrate various working thermocouples and thermal resistance, first-class and second-class standard thermocouples, temperature secondary instruments, expansion thermometers and other temperature instruments, as well as various temperature sensors and temperature transmitters. Fully automated operation, automatic temperature regulation, measurement channel control, data acquisition and processing, report and certificate output, and other functions.
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iconProduct overview

YH2000 Thermocouple and Thermal Resistance Temerature Automatic Calibration Device

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YH2000 temperature (thermocouple, thermal resistance) automatic calibration device is designed and manufactured strictly in accordance with relevant national calibration regulations. It is used to calibrate various working thermocouples and thermal resistance, first-class and second-class standard thermocouples, temperature secondary instruments, expansion thermometers and other temperature instruments, as well as various temperature sensors and temperature transmitters. Fully automated operation, automatic temperature regulation, measurement channel control, data acquisition and processing, report and certificate output, and other functions.

iconProduct function

◆In line with the latest national verification regulations and norms;

◆Thermocouple type: S, R, B, K, N, E, J, T, EA-2, etc.;

◆Thermal resistance type: Pt 1000, Pt 100, Pt 10, Cu 100, Cu 50, BA1, BA2, G (two-wire, three-wire, four-line);

◆Type of expansion thermometer: glass liquid thermometer, bimetal thermometer, pressure thermometer;

◆Special low potential wiring terminal, parasitic thermal potential long-term guarantee not to exceed ± 0.2 μV;

◆The recording curve includes the temperature, power and power change curve;

◆Thermocouple and thermal resistance can be verified at the same time, and can be verified in the oil bath;

◆Compatible with thermocouple and thermal resistance wiring, four-wire resistance measurement method completely eliminate the external lead resistance;

◆Reliable temperature control, intelligent P I D regulation system, good constant temperature stability;

◆It can control the verification furnace and oil (water) bath at the same time, can be time-sharing batch verification of a variety of thermometers;

◆The temperature field test of verification furnace, oil bath and water bath can be conducted;

◆The temperature of the inexpensive metal thermocouple verification point can choose the temperature point automatically provided by the verification procedure (or recommended), and allows the user to reset the verification point according to the actual use temperature of the couple, the temperature of the verification point can be set arbitrarily, such as: 358.5℃, 772.6℃, etc.;

◆In the calibration of thermocouple, there are three compensation methods: freezing point compensation, manual setting compensation and automatic cold end compensation;

◆High degree of automation of the verification process: the computer from the wire check (judge whether the wiring is correct), temperature field temperature control to the verification process is all automatic;

◆Adopt the standard temperature control principle, hardware and software double temperature control, in the case of computer failure, can choose manual operation, effectively avoid the computer failure and can not continue the verification work.


Main Functions of Software

◆The calibration system software can be operated in Chinese Win10/7/xp and above, etc.;

◆Record forms and certificates such as "verification" or "calibration"; verification certificates or calibration certificates, select standard or custom format; export original data of record forms and certificates to Excel;

◆The software supports a variety of self-diagnosis functions, including temperature field test, scale table query, total uncertainty analysis, line checking and other functions;

◆Support multimedia sound alarm, prompt function, with overtemperature alarm function;

◆With the function of power loss protection and renewal of inspection;

◆The software system displays rich interface, large information, with detailed and vivid real-time curves, data; in the same computer screen can not only observe the temperature control curve of all thermocouple furnace (the curve is clear), but also can switch to a picture to observe the temperature control curve of one thermocouple furnace, convenient and intuitive;

◆The software can complete the functions of automatic verification, automatic data processing and report output, save, query, preview and repeat the verification records, and edit the verification records and verification certificate format.


Temperature Verification System Software

◆In line with the request of the latest national metrological calibration regulations


iconTechnical index


Accuracy
Six and a Half Digit High-precision Digital CalibratorAccuracy 0.003%; resolution ratio 0.1μV, 0.1mΩ
Seven and a Half Digit High-precision Digital CalibratorAccuracy 0.002%; resolution ratio 0.01μV, 0.01mΩ
Eight and a Half Digit High-precision Digital CalibratorAccuracy 0.0006%; resolution ratio 0.001μV, 0.001mΩ
Scanning SwitchParasitic potential<0.2 μ V can achieve automatic or manual switching
Compensation Range of Thermocouple Reference Terminal5-50℃(resolution ratio 0.1℃)
Temperature Control Stability
Thermocouple Calibration Furnace0.1℃/10min
Thermostatic Bath0.01℃/10min
UncertaintyThe total uncertainty of thermocouple calibration is better than 0.7 ℃, and the repeatability error is less than 0.25 ℃. The total uncertainty of thermal resistance calibration is better than 50mk, and the repeatability error is less than 10 mk
ItemModelSpecification & FunctionQuantity
1YH2000-4 System integration
cabinet		Electric measuring meter and multi-channel
scanning device, temperature control system
integrated cabinet		1 Unit
2YH2000-1 Multi-channel scanning
device		Multi-channel scanning is provided with a
parasitic potential of 0.2 μ V		1 Set
3YH2000-2 intelligent
temperature control system		Intelligent temperature control system,
temperature field temperature control		1 Set
4K2010 high-precision electric
measuring instrument		Seven and a half digit digital control instrument1 Unit
5Lenovo computerConfiguration is not low Inteli7/8G/1T/512M unique display, 19-inch LCD Display, install the legitimate Windows 71 Unit
6HP1106 PrinterA4 laser1 Unit
7YH2000-3 Multiple serial port
card		485/232 conversion card expansion
computer serial port		1 Set
8YHR V1.0 Temperature
verification software		Can verify S R、B、K、N、J、E、T；Pt10、Pt100、Cu50、Cu100； Glass liquid thermometer
Bimetallic thermometers, pressure thermometers, etc		1 Set
9WRPB Second-class standard
S thermocouple		Calibrator for thermocouple verification1 Unit
10WRPB Second-class standard platinum resistance Pt25Calibrator for thermal resistence verification1 Unit
11YH-10 cryogenic tank-10~105℃ (antifreeze fluid)1 Unit
12YH-300 thermostatic oil bath90℃ ~300℃ (silicone oil)1 Unit
13YH600L Pipe type calibration furnace
(600mm)		Temperature fields from 300℃ to 1200℃1 Unit
14YH-0 0℃ thermostatThermocouple cooling end compensates for the
temperature field		1 Unit
15PT100 Grade A cold end
resistance		Used for cold end
measurement when thermcouple verification		1 Unit
16YH2000-5-1 thermocouple
junction box		Thermocouple dedicated for test connection1 Unit
17YH2000-5-2 Thermal
resistance junction box		Thermal resistance dedicated for test connection1 Unit
18YH600L-F1 Uniform heating blockUsed for thermcouple verification1 Unit
19YH600L-F2 tubular furnace
bracket		Thermocouple verification matching, with the same
height as the geometric center line of the
thermocouple verification furnace		1 Set
20Block shaving machineElectric, ice broken1 Unit
21Anti-freeze fluidUsed in conjunction with the cryogenic tank25 Litres
22SimethiconeUsed in conjunction with the oil tank25 Litres
23Compensation lead wireS, K type1 Set
24Quartz glass protective tubeProtective sleeves with different diameter and
lengths are configured according to the verification
instruments, meet the calibration requirements		10 pcs
25Binding wireUsed for thermcouple verification1 Bundle
26A number of refractory
materials		Asbestos, used for the sealing of the calibration
furnace mouth		Some
27Test lineSpecial use for testing (6 meters)1 Set
28Refrigerator200L, to making ice1 Unit
29Exhaust hoodFANGTAI, install above the oil tank1 Unit


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Frequentlyquestions

The verification process can perform data analysis, calculation and automatic identification of excess errors;

Is the hydraulic pressure of the pressure pump unstable or unable to generate pressure normally?
Reasons: 1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. The sealing of the "○" ring of the quick connector is damaged; 4. The air in the system is too much or not completely discharged. Methods of solution: 1. Loosen the fuel tank cap or refuel the fuel tank; 2. Tighten the pipeline joints; 3. Replace the "○" ring (diameter 9 * 2.65); 4. Repeatedly pumping the charging pump allows the air in the system to be discharged with the fuel tank.
The common reasons for unstable hydraulic pressure or inability to generate pressure normally.
1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. Quick connector "○" ring seal damaged; 4. Too much or uncleaned air in the system.
What are the common reasons for empty pressure of pressure pump of manual pressure calibrator?
Reasons: 1. The directional valve does not change direction properly, resulting in air leakage; 2. The positive pressure check valve or negative pressure check valve does not reset after movement, resulting in air pressure phenomenon. Methods of solution: 1. The reversing valve must be reversed in place, and the reversing valve stem cannot be suspended in mid air; 2. Check if the one-way valve seat holes for positive and negative pressure do not meet the requirements; 3. The spring is severely tilted, and the one-way valve core cannot slide freely.
What are the specific advantages of Yuanhuatc's fully automatic pressure calibrator?
Yuanhuatc has high flexibility and adopts advanced analysis algorithms and automatic control technology, which can quickly and accurately complete verification tasks.
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