Waterproof Temperature Data Logger - HOBO Pendant® UA-001
The HOBO Pendant® UA-001 data logger is ideal for measurements in which the logger could come into contact with water. It has a large storage capacity for water temperature recording. A visible LED light indicator warns users when preset parameters have been exceeded.
HOBO UA Data Logger Series
The compact data loggers from HOBO can have two different measurement functions: Temperature or light and temperature measurements. The video explains the functions and details of the inexpensive & waterproof models and explains the advantages of their polypropylene housing. Also, find out more about freshwater and saltwater applications, battery details and optical communication, enabling fast data transfer in water.
Features of the HOBO Pendant® UA-001
The HOBO Pendant® data logger is small, light and waterproof, records internal logger events and records 52,000 measurements.
Please note: An interface is required for configuration and reporting
- Low-cost temperature logger with alarm display
- Waterproof housing for wet or underwater use
- Data download in less than 30 seconds via the optical USB interface
| UA-001-64 | 64K memory |
Documentation
HOBOware
The HOBO Pendant® UA-001 data logger supports the free HOBOware graphics and analysis software. HOBOware allows you to easily view and analyze your recorded measurement data with just a mouse click. You can simply connect the data logger to your computer via cable.
Technical Data HOBO Temperature Data Logger UA-001
| Monitoring Parameters | Temperature and water temperature |
| Alarms | High and low alarms can be configured for a total amount of contiguous or non-contiguous time outside of user-defined limits between -20 °C and +70°C (-4 °F to +158 °F). |
| Accuracy | ±0.53 °C from 0 °C to +50 °C (±0.95 °F from +32 °F to +122 °F) |
| Resolution | 0.14 °C at 25 °C |
| Drift | Less than 0.1 °C/year (0.2 °F/year) |
| Response Time |
Airflow of 2 m/s (4.4 mph): 10 minutes, typically to 90% Water: 5 minutes, typically to 90% |
| Time accuracy | ±1 minute per month at 25 °C (77 °F) |
| Operating Range | In water/ice: -20 °C to +50 °C (-4 °F to +158 °F) in air -20 °C to +70 °C |
| Water depth rating | 30 m between -20 °C and +20 °C (100 feet from -4 °F to 68 °F) |
| NIST traceable certification | Available for temperature only at an additional charge; temperature range -20 ° to +70 °C (-4 °F to +158 °F) |
| Battery Life | 1 year typical use |
| Memory | UA-001-64: 64KB (approximately 52K samples plus event readings) |
| Materials | Polypropylene case; stainless steel screws; Buna-N o-ring |
| Size | 58 x 33 x 23 mm |
| Weight | 15.0 g |
| Protection class: | IP 68 |
| For more detailed product specifications, please read the User’s Guide | |
BASE-U-4 - Universal Optic Base Station
The Universal Optic USB Base Station and couplers are used to offload data from any HOBO® data logger with an Optic USB interface. The splash-resistant Optic USB Base Station connects to your computer via USB, while connecting to the data logger via an appropriate coupler.
Literature and videos
HOBO Waterproof Shuttle - U-DTW-1
The HOBO Waterproof Shuttle provides convenient readout and relaunching of underwater and outdoor HOBO data loggers with an Optic USB interface, and is waterproof to 20 m. The HOBO Waterproof Shuttle can also be used as a base station.
Note 1: Couplers are included for compatibility with our U-series loggers with optical communication, including the UA Pendants, U20 water level, U22 Water Temp Pro, UTBI TidbiT, U23 Pro Temp/RH, U24 Conductivity and U26 DO data loggers.
Note 2: HOBOware Pro is required when using the U-DTW-1 Waterproof shuttle.