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(80-(-30))*(12-4)÷ (20-4)+-30
(80-(-30))*(13-4)÷ (20-4)+-30
(80-(-30))*(14-4)÷ (20-4)+-30
(80-(-30))*(15-4)÷ (20-4)+-30
(80-(-30))*(16-4)÷ (20-4)+-30
(80-(-30))*(17-4)÷ (20-4)+-30
(80-(-30))*(18-4)÷ (20-4)+-30
(80-(-30))*(19-4)÷ (20-4)+-30
(80-(-30))*(20-4)÷ (20-4)+-30
As shown in the above formula, when measuring 8mA, current current is 31.5℃。
2. humidity and current computing relationship
For example, the range is 0~100%RH, the analog output is 4~20mAcurrent signal, humidity and
current The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where
A2 is humidity range upper limit, A1 is the lower limit of the range, B2 is current output range upper limit, B1
is the lower limit, X is the currentlyread humidity value, and C is the calculated current value. The list of
commonly used values is as follows:
As shown in the above formula, when measuring 8mA, current current is 29%RH。
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