2-14
CHAPTER 2 Checks and Preparation
2.10 Connecting the Humidity Sensor (Option)
Connect the + and - lead wires of the humidity sensor (the B-530 option) to the desired terminals, and
theninsert the round connector into the 5V OUT connector on the GL220.
Do not use the sensor in a strong electrolyte envronment. Measured results may not satisfy to the stated.