UltraRAE 3000 User’s Guide
number by 2. Use the [Y/+] or [N/-] key to increase or decrease the
stall value to equal that number.
Press the [MODE] key to exit this display.
25.4.5 Testing The Humidity Sensor
1.
Press [MODE] to step through the diagnostic screens until you
reach a screen that says “T.H.P” (for “temperature, humidity,
pressure”) at the top.
There are three numbers for the humidity reading (“H”). The first
number is the current humidity reading from the sensor. The
second is the reference number for 0% humidity, and the third
number is the reference for 100% humidity.
2.
Fill a cup with warm water (>25
°
C/77
°
F).
3.
Put a filter on the UltraRAE 3000’s inlet probe.
4.
Place the inlet probe over the warm water.
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