HOBO Temperature/Relative Humidity Data Logger
Part Number -

U12-011

HOBO Temperature/Relative Humidity Data Logger

Discontinued

A 2-channel data logger for high-accuracy monitoring of temperature and humidity.A 2-channel data logger for high-accuracy monitoring of temperature and humidity

Important Information

Requires HOBOware software (USB interface cable included w/CD purchase) and a communications device. See compatible items below.

Compatible with

Overview

A 2-channel data logger for high-accuracy monitoring of temperature and humidity.

Features
  • 12-bit resolution provides high accuracy
  • Large memory for long-term deployments or fast sampling
  • Five models to choose from, with flexible measurement options
  • Programmable and push-button start
Specifications

 

 

Image
U12-011 Logger Accuracy Resolution Plot

 

Measurement range:
Temperature: -20° to 70°C (-4° to 158°F)
RH: 5% to 95% RH

 

Accuracy:
Temperature: ± 0.35°C from 0° to 50°C (± 0.63°F from 32° to 122°F), see Plot A
RH: ±2.5% from 10% to 90% RH (typical), to a maximum of ±3.5% including hysteresis, see Plot B.

Resolution:
Temperature: 0.03°C at 25°C (0.05°F at 77°F), see Plot A

 

Image
U-12-011 Plot B RH Accuracy

 

RH: 0.03% RH

 

Sample Rate:
1 second to 18 hours, user selectable

Drift
Temperature: 0.1°C/year (0.2°F/year)
RH: <1% per year typical

Response time in airflow of 1 m/s (2.2 mph)
Temperature: 6 minutes, typical to 90%
RH: 1 minute, typical to 90%

Time accuracy: ± 1 minute per month at 25°C (77°F), see Plot C

 

 

Image
U12 Logger Timebase Error Plot

 

Operating temperature:
Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)
Launch/readout: 0° to 50°C (32° to 122°F), per USB specification

 

Battery life: 1 year typical use

Memory: 64K bytes (43,000 12-bit measurements)

Weight: 46 g (1.6 oz)

Dimensions: 58 x 74 x 22 mm (2.3 x 2.9 x 0.9 inches)

The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

Compatible items

Compliance Certificates

Compliance Certification
$30.00 USD

NIST Setup & Certifications

Setup Charge for NIST Traceable Certification
$51.00 USD
NIST Temperature Point Certification
$51.00 USD

Accessories

HOBO North Face Groundwork Backpack
$95.00 USD

Communication Cables

USB Cable
$21.00 USD

Batteries

Replacement batteries (Pack of 5)
$14.00 USD

Graphing & Analysis

HOBOware Pro Download Version - HOBOware Pro Download
$75.00 USD
HOBOware Pro USB Drive - HOBOware Pro USB Drive
$99.00 USD
Documents

HOBO 12 Temp/RH Data Logger (U12-011) User's Manual (non-CE compliant)

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HOBO U12 Temp/RH Data Logger (U12-011) User's Manual

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Quick Start for the HOBO® U-Series Data Logger

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