A weatherproof data logger with a small-diameter external temperature and relative humidity sensor on a 6-foot cable for fast sensor response and deployment in tight spaces.
A weatherproof data logger with a small-diameter external temperature and relative humidity sensor on a 6-foot cable for fast sensor response and deployment in tight spaces.
Discontinued!
This product has been discontinued and is no longer available.
There is no direct replacement, however we recommend the:
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HOBO data loggers requires HOBOware software (USB interface cable included w/CD purchase) and a communications device. HOBOware Pro is required when using the U-DTW-1 Waterproof shuttle.
Features
Supported Measurements
Optical interface for data transfer
Sensor mounted in solar radiation shield
| Temperature Sensor | |
| Operation range internal sensors | -40° to 158°F (-40° to 70°C) |
| External temperature sensor | -40° to 158°F (-40° to 70°C) |
| Accuracy | ±0.38°F from 32° to 122°F (±0.21°C from 0° to 50°C); see Plot A |
| Resolution | 0.04°F at 77°F (0.02°C at 25°C); see Plot A |
| Response Time (typical to 90%) | 5 minutes in air moving 1 m/sec |
| Stability (drift) | 0.18°F (< 0.1°C) per year |
| Relative humidity sensor | |
| Accuracy | ±2.5% from 10% to 90% RH (typical), to a maximum of ±3.5% including hysteresis. See Plot B for full range. |
| Resolution | 0.03% |
| Logger | |
| Operation range | -40° to 158°F (-40° to 70°C) |
| Memory (non-volatile) | 64K bytes memory (approx. 21,000 temperature and RH measurements) |
Click on a category to view a selection of compatible accessories with the Onset HOBO U23-002 Pro v2 Temperature/Humidity Data Logger, external sensor.
| Temperature Sensor | |
| Operation range internal sensors | -40° to 158°F (-40° to 70°C) |
| External temperature sensor | -40° to 158°F (-40° to 70°C) |
| Accuracy | ±0.38°F from 32° to 122°F (±0.21°C from 0° to 50°C); see Plot A |
| Resolution | 0.04°F at 77°F (0.02°C at 25°C); see Plot A |
| Response Time (typical to 90%) | 5 minutes in air moving 1 m/sec |
| Stability (drift) | 0.18°F (< 0.1°C) per year |
| Relative humidity sensor | |
| Accuracy | ±2.5% from 10% to 90% RH (typical), to a maximum of ±3.5% including hysteresis. See Plot B for full range. |
| Resolution | 0.03% |
| Logger | |
| Operation range | -40° to 158°F (-40° to 70°C) |
| Memory (non-volatile) | 64K bytes memory (approx. 21,000 temperature and RH measurements) |
Click on a category to view a selection of compatible accessories with the Onset HOBO U23-002 Pro v2 Temperature/Humidity Data Logger, external sensor.