Displays of series DT-203NN, DT-105NN and DT-110NN
3.4 Characteristics of temperature & humidity probe. (Option)
Relative humidity
Resolution .................................................. 1%
Accuracy .................................................... ±2% between 20% and 80% (Typical)
Temperature
Resolution .................................................. 0,1°C
Accuracy ................................................... ±0,3°C between 5 and 60°C (Typical)
Range .......................................................... From –20°C to +60°C.
3.5 Wiring of temperature & humidity probe (Option)
The temperature & humidity probe is delivered with 5m cable and a Sub-D9 connector
ready to use.
The wiring of connector probe is shown in the diagram (cable connector).
3.6 Reset button
If the display has not been powered for many days, the battery may be discharged. In
this case when the power is restored, the battery may be not fully charged, and it may be
necessary to force a reset. The display must be connected to the power supply when the reset
button is pressed.
1
2
4
5
6
3
7
DB9
Free plug
0V (White)
+5V (Brown)
SCK (Green)
Data (Yellow)
9
8
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General