DATA LOGGER SOUND LEVEL METER
21
TX
RX
GND
§
Calibration Point:
P.S.: Normally, performing offset Calibration with thermal stabled ice
water through VR1 will give a very good calibration result.
§
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.
III. SYMBOL DEFINITON AND BUTTON LOCATION
(1) K type temperature sensor T1 to T4 input connector
(2) LCD display
Symbol Funktion
This indicates that the minus temperature is sensed.
••
Centigrade and Fahrenheit indication.
K
Thermocouple Type Indication.
input
Adjust VR tolerance
0 °C
VR1
± 0.1 °C
190 °C
VR2
± 0.1 °C
1000 °C
VR3
± 1 °C
1900 °F
VR4
± 1 °F
