4.9 LOW BATTERY CONDITION
When the battery voltage is under proper operation requirement,
the symbol will show on the LCD and the battery need to be
replaced with new one.
4.10 CALIBRATION POINT
Room Temperature 23 ± 3°C
Normally, performing offset Calibration with thermal stabled ice
water through VR1 will give a very good calibration result.
4.11 DIGITAL OUTPUT
The Digital Output is a 9600bps N 81 serial interface.
The RX is a 5V normal high input port.
The TX is a 5V normal high output port.
The command of Digital Output is list below.
input
0 °C
190 °C
1000 °C
1900 °F
Adjust VR
VR1
VR2
VR3
VR4
Tolerance
± 0.1 °C
± 0.1 °C
± 1 °C
± 1 °F
TX RX GND
4. OPERATION INSTRUCTIONS
P.9
