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HOBO
U23-002 Replacement Cable/Sensor (Part # CABLE-U23-002)
The U23-002 Replacement Cable/Sensor replaces a damaged cable on the U23-002. The
replacement cable includes a built-in temperature sensor and an RH sensor.
Contents
Cable/Sensor
Dome Nut/Grommet assembly (installed on cable)
Cable Tie
Grease Packet
Required Equipment
Adjustable Wrench
Utility Knife

Removing the Existing Cable/Sensor

1. Unscrew the grommet from the case and slide the grommet/dome nut assembly down the cable.
Use a wrench if necessary.
2. Remove the end cap from the case.
Twist the end cap counterclockwise until the bumps on the cap line up with the notch on the case,
and then pull the cap off of the case.
3. Slide the board out of the case.
© 2009 Onset Computer Corporation
Part #: MAN-CABLE-U23-002, Doc #: 12990-A

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Summary of Contents for Hobo U23-002

  • Page 1 ® HOBO U23-002 Replacement Cable/Sensor (Part # CABLE-U23-002) The U23-002 Replacement Cable/Sensor replaces a damaged cable on the U23-002. The replacement cable includes a built-in temperature sensor and an RH sensor. Contents • Cable/Sensor • Dome Nut/Grommet assembly (installed on cable) •...
  • Page 2 4. Remove the 3 desiccant packs and inspect them. If they are not bright blue, dry them by leaving them in a warm (≤70 C (158 F), dry location until the bright blue color is restored. If a desiccant pack remains pink and will not turn blue, replace it with a new desiccant pack (Onset Part #: DESICCANT1).
  • Page 3 4. Plug the mini-USB connector from the cable into the jack on the bottom of the board. 5. Secure the cable to the board using the cable tie (included). Feed the tie through the two holes near the end of the board, with the cable tie’s ‘buckle’ on the battery side of the board.
  • Page 4 8. Re-install end cap. Line up the two small bumps on the end cap with the two notches at the end of the case and then push end cap in and lock into place by turning clockwise just slightly until bumps prevent further rotation.

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