5. Look on the right side for AVAILABLE DEVICE (There is a PAIRED DEVICES list
on the left side that will populate when wireless devices are paired with the DM4-W)
6. Highlight the H1 device that you want to connect from the AVAILABLE DEVICES and
press the ENTER button, then press the POWER button to Add H1
7. Repeat these steps to connect the H2 red psychrometer
8. Press the ZERO button to return to the home screen
9. The psychrometer should pair with the DM4-W. The psychrometer OLED screen will
show a solid Bluetooth Connection symbol. The DM4-W screen will show the wet
bulb/dry bulb humidity and the last 4 digits of the connected psychrometer serial
number under the H1/H2.
If the psychrometer has already been paired to the DM4-W:
Turn on the DM4-W and the psychrometer. The psychrometer should automatically
connect to the DM4-W, and the Bluetooth Connection symbol should remain solid.
Deleting the psychrometers from the DM4-W
1. Press the ENTER button on the DM4-W to enter the menu
2. Highlight BLUETOOTH DEVICE and press the ENTER button
3. Wait until the "Wait..." text disappears
4. Look on the right side for AVAILABLE DEVICES (There is a PAIRED DEVICES list
on the left side that will populate when wireless devices are paired with the DM4-W)
5. Highlight the H1 device that you want to remove from the AVAILABLE DEVICES and
press the ENTER button. Then press the POWER button to REMOVE H1
6. Press the ZERO button to return to the home screen
7. The psychrometer is now unpaired from the DM4-W, the Bluetooth Connection
symbol on the psychrometer OLED screen will start flashing to indicate it is not paired
JB INDUSTRIES • Wireless Psychrometer Operating Manual • 630.851.9444 •
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