Connecting The Humidity Sensor (Optional) - GRAPHTEC GL840 User Manual

2.11 Connecting the Humidity Sensor (Optional)

Connect the + and - lead wires of the humidity sensor (the B-530: Option) to the desired terminals, and then
insert the round connector into the 5V OUT connector on the GL840.
Connected to the 5V OUT
terminal.
•
Do not use the sensor in a strong electrolyte envronment. Measured results may not satisfy to the stated.
•
The optional humidity sensor power BOX (B-542) is required to use 2 to 10 humidity sensors.
•
5V OUT terminal on the GL840 is available for only one humidity sensor.
Brown
Humidity Sensor
White
Humidity sensor
(B-530: Option)
CHAPTER 2 Checks and Preparation
+
-
2-21