1) The verification system fully meets the technical indicators specified in the regulations of the medium and low temperature measurement standards. This verification system fully complies with the requirements of the current national JJG229-2010 "Industrial Platinum Copper Thermistor Verification Regulations" and JJF1098-2003 "Calibration Specification for Thermocouple Thermistor Automatic Testing System" metrological verification regulations or specifications;
2) The calibration data can be stored for a long time and can be accessed, viewed, and printed at any time;
3) The calibration of platinum and copper resistance thermometers can be carried out, including the calibration of two-wire, three wire, four wire platinum and copper resistors. At the same time, various thermometers such as glass liquid thermometers, bimetallic thermometers, and pressure thermometers can be manually calibrated;
4) Manual temperature control, automatic calibration, and automatic calculation of the constant temperature bath;
5) The temperature at the verification point is randomly displayed in a curve format:
6) Parasitic potential of low thermoelectric potential scanning switch: ≤ 0.4 μ V, with the function of current commutation;
7) Accuracy: DC parameters meet the 7-and-a-half bit index;
8) Verification temperature range: (0-300) ℃;
9) Verify the number of thermal resistors: (1-8), and can perform up to 6 batches of up to 48 verifications at the same time;
10) Verification time: (100-120) minutes;
11) Printing project: Original record form, organize record form;
12) The selection of temperature controllers for constant temperature oil tanks and low-temperature tanks is based on advanced domestic technology. During the heating process, there is no reheating or minimal flushing. The compressor adopts a fully enclosed compressor with over temperature and over pressure protection functions. The studio adopts a double groove body and double circulation to ensure the uniformity and stability of the temperature field meet the requirements. Both the studio and the shell are made of stainless steel structure;
13) The standard oil tank has an automatic oil pumping function, which can quickly cool high-temperature oil and adjust the liquid level;
14) Power supply voltage: AC 220V (50HZ), within 16A.
Including the metrology certificate of the National Defense Science and Technology Industry First Metrology Testing and Research Center, the technical indicators meet the requirements of current regulations/specifications.