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SELF HEATING OF THIN FILM RTD ELEMENT

SELF HEATING OF THIN FILM RTD ELEMENT (CRZ)

An RTD element generates heat by itself since electric currents flow in the element. If applied current exceeds the specified current , measurement errors will be bigger.
Please refer to our test data. By the construction of RTD sensor, measuring environment, and the condition, the result will be different.


MODEL CONDITION SELF-HEATING()
0.1mA 0.5mA 1mA (2mA)*
CRZ-1632-100 WITHOUT MgO   0.03 0.13 0.52
WITH MgO   0.01 0.03 0.11
CRZ-2005-100 WITHOUT MgO   0.03 0.12 0.49
WITH MgO   0.01 0.02 0.09
CRZ-2005-1000 WITHOUT MgO 0.01 0.28 1.13 4.51
WITH MgO 0.00 0.05 0.19 0.76

*2mA is used only for the examination. The current should not exceed specified ones for your application.
Measuring methods
STILL AIR
Without MgO : A thin film RTD element is loaded in a hollow metal protection tube(o12xt1)
With MgO : A thin film RTD element is loaded in a metal protection tube filled with MgO(o8xt1)

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