Wrong installation temperature transmitter can cause what harm release date: 2019 - 02 - Number 13 reading: zero

Temperature transmitter when installing some adverse reactions, not just at the time of installation, in use process will appear all sorts of problems, you should how to properly installed temperature transmitter, integrated temperature transmitter installation is not correct what could be happening? Relevant personage says, when installing a integrated temperature transmitter, the error of the insulation deterioration and introduced such as thermocouple insulation, protection tube and wire plate too much dirt or salt slag between the thermocouple interelectrode and wall insulation fault, at high temperatures is more serious, which not only causes the thermoelectric potential losses, but also can introduce interference and error caused by this problem sometimes can reach on baidu. Integrated error when the thermocouple temperature transmitter of thermal inertia is introduced into the thermal inertia of the instrument of the indicated value behind the change of the measured temperature, this influence is particularly acute in rapid measurement, therefore should be used as thermal electrode is small, small thermocouple protection tube diameter. When the temperature measuring environmental permits, even took protection tube, due to measurement lag, using thermocouples detect temperature fluctuations of the amplitude of the furnace temperature fluctuation amplitude of the small. Usually, in order to accurately measure temperature, we should choose the thermocouple time constant small, time constant is inversely proportional to the heat transfer coefficient, and the thermocouple hot side is directly proportional to the diameter, material density and specific heat, if want to reduce the time constant, in addition to the increased heat transfer coefficient, the most effective way is to try to decrease the size of the hot end. Therefore, when we use the integrated temperature transmitter, usually USES the material with good thermal conductivity, thin, small diameter of the tube wall to protect casing, in the precision of temperature measurement, using unprotected casing bare wire thermocouple, but thermocouple is easy to damage, should timely correction and replacement. Temperature transmitter installed correctly can effectively guarantee the normal use of integrated temperature transmitter, as a result, when installation error, should be adjusted in a timely manner, so as not to affect the normal use.