HOBO State Data Logger
Onset Logger Measuring State Open/Closed and Contact Closures
 The HOBO state data logger records when devices change
between open and closed (contact closures) states. The included external input cable connects to a passive contact closure or dry relay switch. The logger
also has an internal reed switch that (when used with the included security magnets), can log the open and closing of doors, drawers, etc.
Included with Data Logger
>> Mounting Kit (Hook/Loop, Magnet, and Tape)
>> 6ft External Contact Cable and Magnet
 Required with the Data Logger
>> BoxCar Software Kit
NOTE: NIST Calibration is available.
Large Quantity Discounts Are Available!
This product is No Longer Available. Check out the U9-001 State Data Logger As An Alternative.
State Data Logger Features
- A Magnetic Sensor Mounted in the Datalogger and an External Input Cable for Detecting Contact Closures
- Spacing Between HOBO State and External Magnet: Closed ≤ 1/4"; Open ≥ 3/4"
- External Contact Input: Passive Relay Switch or Contact Closure
- Compatible with AC
Current switch to Monitor Equipment On/Off and
Run-Times
- Readout and Relaunch Logger with Optional HOBO Shuttle
- Programmable Start Time/Date
- Nonvolatile EEPROM Memory Retains Data Even If Battery Fails
- Blinking LED Light Confirms Operation
- Battery Level Indication at Launch
- Requires BoxCar Software Kit for Operation and Data Manipulation
State Data Logger Specifications
| Data Storage Capacity |
2,000 State Changes |
| External Contact Input |
Relay Switch or Contact Closure |
| Minimum State Duration |
0.5 Second |
| Operating Range |
Temperature: -20°C to 70°C (-4°F to 158°F)
Humidity: 0 to 95% RH non-condensing, non-fogging |
| Operating Modes |
Stop When Full
Wrap-Around When Full |
| Drop Proof |
Up to 5 ft. |
| Time Accuracy |
±1 Minute per Week (±100 ppm at 20°C or 68°F) |
| Time Resolution |
0.5 Second |
| Storage Range |
Temperature: -40°C to 75°C (-40°F to 167°F) |
| Battery |
3-Volt CR-2032 Lithium Battery (User Replaceable) |
| Battery Life |
Typically 1 Year |
| Standards Compliance |
CE |
| Weight |
29 grams (1 oz) |
| Dimensions |
61mm x 48mm x 20mm (2.4" x 1.9" x 0.8") |
Application Notes
Understanding the Differences Between State, Event and Pulse Datalogging. (.pdf 300KB)
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