Temperature transmitter instruments of the main performance

The main technical indicators of instrument performance such as accuracy, sensitivity, response time. Accuracy of the precision instrument said instrument measurement results and the measured degree of truth value consensus. The accuracy of the instrument accuracy is commonly used to represent the grade, such as 0. Level 1, 0. Level 2, 0. Level 5, 1. Level 0, 1. Level 5, etc. 0. Level 1 table instrument the total error is not more than + / - 1. The range of 0%.

accuracy level for small, instrument of the system error and random error is small, which is the instrument precision. Sensitivity said when measured the amount of have a little with the increment of value increment caused by instrument said the ratio of the increment, which reflects the instrument can measure the minimum is measured. Response time refers to the instrument enter a step, the amount of its stable output by the initial value for the first time to reach the final values of interval, general provisions will be subject to time of arrival in the stable value of 95%. In addition, repeatability, linearity, hysteresis, dead zone, drift and other performance specifications.

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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure thermocouple sensor, digital temperature thermocouple sensor