3. 3
5/15/2015
Who is Onset?
• Leader in portable Data Loggers
• Founded in 1981
• 130 employees
• Designed and Manufactured on Bourne, MA
• Over 2 million HOBO data loggers sold
4. Does your PC sometimes feel like an
Anchor?
4
5/15/2015
6. Traditional Items Not Required
6
5/15/2015
Computer NOT required USB Cable NOT required
HOBOware® NOT required Internet NOT required
Although it will
enhance the
experience
7. Onset’s first HOBO to Communicate
Wirelessly to a Mobile Device
7
5/15/2015
9. Bluetooth Smart
9
5/15/2015
• Bluetooth Smart devices continuously advertise their
presence and will be detected by any master device that is
scanning within range.
• Transmits up to 100 feet line of sight
• The HOBOmobile App allows you to configure, start and
offload the recorded data when in range
10. What is Required?
• MX1101 Temp/RH logger
• Free HOBOmobile™ App
• Android Compatible Device
– Require Android 4.4 – aka KitKat
– Bluetooth 4.0
10
5/15/2015
12. • NEW – Wireless communication via
Bluetooth Smart
– Up to 100 feet line of sight
• NEW - Easy to deploy and offload
using the free HOBOmobile™ App
• NEW – Audible Alarm
• NEW - Find me/pager feature
• NEW - Password protected
HOBO MX1101 Temp/RH Logger Features
12
5/15/2015
$135 USD
13. • Stores up to 84,000 measurements
• 2 User replaceable AAA batteries
last for 1 year
• Temperature
– Range: -20 to 70C (-4 to 158F)
– Accuracy :+/- 0.2C (+/-0.4F)
• Relative humidity
– Range: 0 to 99% RH non-condensing
– Accuracy: +/- 2%RH (from 20 to 80%)
HOBO MX1101 Temp/RH Logger Features
13
5/15/2015
$135 USD
14. • LCD show current readings
• Flexible Start & Stop options
• Audible & Visual, High & Low
Alarm thresholds
• User upgradeable Firmware
HOBO MX1101 Temp/RH Logger Features
14
5/15/2015
$135 USD
16. 16
5/15/2015
Challenge:
• Deterioration of 3-foot-thick
limestone walls at the Shrine of
The Alamo
• Efflorescence, plaster loss, and
crumbling surfaces identified
• Determine and fix underlying
causes of deterioration
Bluetooth Wireless Data Loggers- Case Study
Tracking Temp/Humidity at Historic Site
17. 17
5/15/2015
Bluetooth Wireless Data Loggers- Case Study
Tracking Temp/Humidity at Historic Site
Solution:
• HOBO MX1101 Bluetooth
temperature/RH data loggers
deployed throughout Shrine interior
via nail & zip tie, and magnetically
• Temperature/RH measurements
recorded every three minutes,
downloaded and analyzed weekly
• HOBO U30 system deployed to
enable comparison of outside and
inside environmental conditions
18. 18
5/15/2015
Bluetooth Wireless Data Loggers- Case Study
Tracking Temp/Humidity at Historic Site
Results:
• Convenient, fast method for
monitoring temperature/RH
wirelessly
• Logger configuration/launch, data
offload achieved wirelessly with just
mobile device and free app
• Compact devices, flexible mounting
options allow for discreet placement
• Conclusions from data analysis will
help determine necessary actions to
preserve the Shrine at the Alamo