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Onset HOBO User Manual

Lcd data logger
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Download this manual See also: User Manual, Manual
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© 2001–2002 Onset Computer Corporation, all rights reserved.
Onset, HOBO, StowAway, TidbiT, HandCar, and BoxCar, are registered trademarks of
Onset Computer Corporation. Palm is a trademark of Palm, Inc. Other products and brand
names may be trademarks or registered trademarks of their respective owners.
The CE Marking identifies this product as complying with all relevant directives in the
European Union (EU).
16
Document #: 7054-A MAN-H14-00X
HOBO LCD Temp/RH User's Manual
®
HOBO
LCD Data Logger
User's Manual
Inside this package
The Onset HOBO LCD data logger is shipped with:
•
HOBO LCD data logger
sensor) or H14-002 (external probe)
•
2 mounting screws
•
3 AAA batteries
, part number H14-001 (internal

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Summary of Contents for Onset HOBO

  • Page 1 Inside this package Onset, HOBO, StowAway, TidbiT, HandCar, and BoxCar, are registered trademarks of Onset Computer Corporation. Palm is a trademark of Palm, Inc. Other products and brand The Onset HOBO LCD data logger is shipped with: names may be trademarks or registered trademarks of their respective owners.

  • Page 2: Functional Overview

    Memory Left (MEM LEFT) indicator on LCD shows how much data storage ® space remains. Onset shall not be liable for injury to persons or property resulting from the use of HOBO product(s) or the failure of such product(s). Onset’s liability, if any, shall be limited to the •...

  • Page 3: Service And Support

    Onset (purchase order number or Onset invoice number). mounting information. Onset will issue an RMA number that is valid for 30 days. You must ship the HOBO LCD Temp/RH User’s Manual HOBO LCD Temp/RH User’s Manual...
  • Page 4 It is possible to disconnect the remote probe and transport the HOBO LCD logger Plot B Power Internal Temperature Sensor back to the host PC for data off-loading and relaunching. See details in Launching • 3 AAA Alkaline batteries, user-replaceable Accuracy/Resolution the Logger on page 4 and Reading out the Logger on page 5.
  • Page 5 Contact rating: 48VDC, 1A max • Contact resistance: less than 1 Ohm 2. Run BoxCar Pro software on a host PC to offload data from the HOBO LCD • Wire size range is 22AWG to 14AWG logger. Alternatively, use the Palm handheld and HandCar software to offload data and transport it back to the host PC.
  • Page 6 ALERT limit. For example, launching the HOBO LCD logger at the host PC in room temperature and setting an upper alarm limit of +32°F for a freezer application will cause an immediate ALERT. In this...

  • Page 7: Battery Maintenance

    1. Remove the four screws on the back of the unit and open the case. connected as shown in Figure 7. The HOBO LCD logger’s contact closure is initially set at the factory to be Normally Closed, but you can change this within 2.
  • Page 8 User’s Manuals for more details). When you change the contact accuracy for the internal model is ±3% over the corresponding settings for the HOBO LCD logger between Normally Closed and Normally Open temperature/humidity ranges (see specifications and Plot C, page 13). The external operation, the new configuration is retained when the batteries are changed.