| Temperature Sensor | Operation range internal sensors : Accuracy : Resolution : |
|---|---|
| Response Time (typical to 90%) - temperature | 5 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 | 5 minutes 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 | One 184 cm (6 ft.) PVC cable; sensor diameter 1 cm (0.38 in.) |
| 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 | 118 g (3.1 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 External Temperature/Relative Humidity Data Logger
Overview
The HOBO Pro v2 External Temperature/Relative Humidity Data Logger is a weatherproof data logger with an external Temperature and Relative Humidity sensor on a 6-foot cable for fast sensor response and deployment in tight spaces. The Relative Humidity sensor features fast response and 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
In what environment does this data logger operate?
This data logger operates in an outdoor environment.
What measurements does this data logger support?
The U23-002 data logger supports the following measurements: Relative Humidity and Temperature
