Onset HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger

Model: U23-001A

Downloads: datasheet manual

Onset HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger

Model: U23-001A

Weatherproof and highly accurate, this temperature/relative humidity data logger comes equipped with built-in sensors. With a small exterior sensor diameter, this logger is ideal for use in tight spaces. In addition, the relative humidity sensor provides superior durability in humid environments and is user-replaceable.

Regular Price	$225.00 USD
Availability	2 to 3 Weeks
Quantity

Onset HOBO U23-001A Offers

A LED light in the communications window of the logger confirms logger operation. In brightly lit areas, it may be necessary to shade the logger to see the LED blink.

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)

Onset HOBO U23-001A Specifications

Temperature Sensor
Operation Range	Internal sensor: -40 to 158°F (-40 to 70°C)
Accuracy	±0.45 from -40 to 32°F (±0.25°C from -40 to 0°C)
Resolution	0.072°F (0.04°C)
Response Time (Typical to 90%)	Internal sensor: 10 minutes in air moving 1 m/sec
Drift	< 0.018°F (0.01°C) per year
Relative Humidity Sensor
Operation Range	0 to 100% RH, -40 to 158°F (-40 to 70°C)
Accuracy	±2.5% from 10% to 90% RH typical to a maximum of ±3.5% including hysteresis at 77°F (25°C) Below 10% and above 90% ±5% typical
Resolution	0.05%
Response Time (Typical to 90%)	40 minutes in air moving 1 m per second with protective cap
Drift	<1% per year typical
General Specifications
Operation Range	-40 to 158°F (-40 to 70°C)
Real-time Clock	±1 minute per month 32 to 122°F (0 to 50°C)
Dimensions	4.0 × 1.5" (10.2 × 3.8 cm)
Weight	1.5 oz (57 g)

Click here for complete specifications on the Onset HOBO U23-001A

What's included with the Onset HOBO U23-001A

Temperature/Relative Humidity Data Logger
Clamp and Mounting Screws
UV Protective Cap

datasheet for the Onset HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger manual for the Onset HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger

Click on a category to view a selection of compatible accessories with the Onset HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger.

Other

Onset HOBO HP-B Lithium Battery, 3.6 V HP-B

Replacement battery for U23 data loggers, sold individually. Note: Lithium batteries cannot be shipped on commercial airlines, and more than 24 cannot be shipped in a single box.

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Description ➕➖

Onset HOBO U23-001A Offers

A LED light in the communications window of the logger confirms logger operation. In brightly lit areas, it may be necessary to shade the logger to see the LED blink.

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)

Specifications ➕➖