A weatherproof data logger with two external soil/water temperature probes on 6-foot cables for fast sensor response and deployment in tight spaces.
A weatherproof data logger with two external soil/water temperature probes on 6-foot cables for fast sensor response and deployment in tight spaces.
Discontinued!
This product has been discontinued and is no longer available. There are no replacement options.
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HOBO Pro v2 data loggers are weatherproof loggers that provide high-accuracy temperature and relative humidity measurements in a wide range of outdoor environments.
Features
Applications
| Operation Temperature Range Internal Sensors | -40 to 70°C (-40 to 158°F) |
| Temperature External Sensors | -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year |
| Accuracy | ±0.21°C from 0 to 50°C (±0.38°F from 32 to 122°F); See Plot A |
| Resolution | 0.02°C at 25°C (0.04°F at 77°F); See Plot A |
| Response Time (Typical to 90%) | 3 minutes in air moving 1 m/sec; 30 seconds in stirred water |
| Stability (drift) | < 0.1°C (0.18°F) Per Year |
| Materials | ASA styrene polymer housing and mounting clamp; polypropylene protective cap Buna-N o-ring(s) |
| Cable | 2 184 cm (6 ft.) PVC cables Sensor diameter 0.5 cm (0.20 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) |
| Offload Modes | Offload while logging; stop and offload |
| Battery Indication | Battery voltage can be viewed in status screen and optionally logged in datafile, low battery indication in datafile |
| Dimensions | Housing measures 4.0 x 1.5" (10.2 x 3.8 cm) |
| NIST Certificate | Temperature certificate available for additional charge |
Click on a category to view a selection of compatible accessories with the Onset HOBO U23-003 Pro v2 Temperature Data Logger, 2 external sensors.
| Operation Temperature Range Internal Sensors | -40 to 70°C (-40 to 158°F) |
| Temperature External Sensors | -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year |
| Accuracy | ±0.21°C from 0 to 50°C (±0.38°F from 32 to 122°F); See Plot A |
| Resolution | 0.02°C at 25°C (0.04°F at 77°F); See Plot A |
| Response Time (Typical to 90%) | 3 minutes in air moving 1 m/sec; 30 seconds in stirred water |
| Stability (drift) | < 0.1°C (0.18°F) Per Year |
| Materials | ASA styrene polymer housing and mounting clamp; polypropylene protective cap Buna-N o-ring(s) |
| Cable | 2 184 cm (6 ft.) PVC cables Sensor diameter 0.5 cm (0.20 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) |
| Offload Modes | Offload while logging; stop and offload |
| Battery Indication | Battery voltage can be viewed in status screen and optionally logged in datafile, low battery indication in datafile |
| Dimensions | Housing measures 4.0 x 1.5" (10.2 x 3.8 cm) |
| NIST Certificate | Temperature certificate available for additional charge |
Click on a category to view a selection of compatible accessories with the Onset HOBO U23-003 Pro v2 Temperature Data Logger, 2 external sensors.