| Temperature Sensor | Operation range internal sensors : Accuracy : Resolution : |
|---|---|
| Response Time (typical to 90%) - temperature | 40 minutes in air moving 1 m/sec Stability (drift) : < 0.1°C (0.18°F) per year |
| Relative Humidity Sensor | Operation range : Accuracy : Resolution : |
| Response Time (typical to 90%) - RH | 40 minute in air moving 1 m/sec with protective cap Stability (drift ): < 1% per year typical |
| Logger | Operation range : -40° to 70°C (-40° to 158°F) Real-time clock : ± 1 minute per month 0° to 50°C (32° to 122°F) Battery : 1/2 AA, 3.6 Volt lithium, user-replaceable (part # HP-B) Battery life (typical use) : 3 years with 1 minute or greater logging interval Memory (non-volatile) : 64K bytes memory (approx. 21,000 temperature and RH measurements) |
| Materials | ASA styrene polymer RH sensor cap; modified hydrophobic polyethersulfone membrane |
| Cables | No cables |
| Environmental rating | Electronics housing is NEMA 6P equivalent (tolerant of brief submergence). Units with RH sensors are NEMA 4 equivalent (splash-resistant). |
| Launch modes | Immediate start; delayed start |
| Logging interval | Fixed-rate or multiple logging intervals, with up to 8 user-defined logging intervals and durations; logging intervals from 1 second to 18 hours (refer to HOBOware software manual) |
| Weight | 57 g (1.5 oz) |
| Dimensions | Housing measures 10.2 × 3.8 cm (4.0 × 1.5 in.) |
| NIST Certification | Temperature certificate available for additional charge |
HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger
Overview
The HOBO Pro v2 Temperature/Relative Humidity data logger is a weatherproof data logger with built-in temperature and relative humidity sensors. The Relative Humidity sensor provides superior durability in humid environments and is user-replaceable.
Highlighted Features
- Weatherproof housing for use in outdoor or condensing environments
- High accuracy
- Replaceable Relative Humidity sensor provides fast response and superior recovery from condensing conditions
- Small-diameter external sensor versions for measurements in tight spaces
- Optic USB interface for fast and reliable download
- Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis (HOBOware Pro is required when using the U-DTW-1 Waterproof shuttle)
In what environment does this data logger operate?
This data logger operates in an outdoor environment.
What measurements does this data logger support?
The U23-001 data logger supports the following measurements: Relative Humidity and Temperature
