HOBO U12 Temperature Data Logger - U12-001

Qty.	1-9	10-99	100+
$US	$85	$79	$72

Printable Data Sheet

View all U12 data loggers

Overview
Required Items
Parts & Accessories

Overview

Description & Features

Detailed Specifications

Documentation

FAQs

Resources

The HOBO U12 Temperature Data Logger is a single-channel logger for high-accuracy temperature monitoring.

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

Environment:

The U12-001 Data Logger is for use in Indoor environments

Measurements:

The U12-001 Data Logger supports the following measurements : Temperature

Measurement range: -20° to 70°C (-4° to 158°F)

Plot A Accuracy: ± 0.35°C from 0° to 50°C (± 0.63°F from 32° to 122°F), see Plot A

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

Sample Rate: 1 second to 18 hours, user selectable

Drift: 0.1°C/year (0.2°F/year)

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

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

Operating temperature
Logging: -20° to 70°C (-4° to 158°F)
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).

U12-001

U12-001 Manual (non-CE)

PDF
U12-001

U12-001 Manual (CE)

PDF

What should I do if the data logger's internal board gets wet?

[show/hide]

If possible, remove the board from the case and the battery from the board. Dry the board completely using a hair dryer.

View Full FAQ
I just bought a Data Logger. When I first plugged them into the USB port, a popup menu for Digital Signature concerning Microsoft asked if I wanted to continue: YES or NO. I said YES to all but one of them and now the computer won't recognize the logger.

[show/hide]

Open HOBOWare, plug the logger back in, then click on Start->Settings->Control Panel->System.

View Full FAQ
Can the data be retrieved from a logger that is not communicating, or a logger that was accidentally re-launched prior to the data being downloaded?

[show/hide]

There are two common reasons for data loss: Relaunching a logger before the data has been saved Technical problem with the logger itself.

View Full FAQ
I launched my data logger with "delayed start," but I noticed that logging began earlier than the time I entered. What happened?

[show/hide]

There is a small bug in early versions of the HOBO Water Temperature Pro data loggers that result in premature starting in some cases (when using the...

View Full FAQ
How do i do a Quick Accuracy Check

[show/hide]

We receive many calls requesting information on how to calibrate our data loggers.

View Full FAQ
The graph shows a random spike in the recorded data. What may have caused this?

[show/hide]

Spikes in the data file may be caused by rapid pressure changes or thermal shock (quick temperature changes). .

View Full FAQ
I cannot communicate with my data logger.

[show/hide]

The Optic and Tidbit data loggers must be inserted into the Base Station in order for the computer to detect them; it will not detect the Base...

View Full FAQ
My battery level seems to be going down quickly, what could be causing this?

[show/hide]

Check both the logging and the sampling interval to make sure they are greater than one-minute intervals.

View Full FAQ
The datafile shows two more points than my testing did. Why?

[show/hide]

The first and last event on your datafile is a stamp of the start and end time.

View Full FAQ
Can the data loggers be exposed to any type of chemical or chemical vapors?

[show/hide]

As a general rule, no.

View Full FAQ
How often do the data loggers need recalibration and/or servicing?

[show/hide]

The CO data logger should be checked, at a minimum, on a yearly basis. Proper testing requires a CO testing chamber.

View Full FAQ
What is the pin out for the 2.5 stereo input cable?

[show/hide]

Black (inner, end of 2.5mm jack near cable): is 0 volts White (outer, tip of 2.5mm jack): is the voltage input Red (middle): is the 2.

View Full FAQ
Why is my connection to the data loggers intermittent?

[show/hide]

For best performance, connect the USB cable directly to a port on your computer.

View Full FAQ
What happens if my Keyspan USB server has a power interruption?

[show/hide]

If your Keyspan USB server has its power interrupted while you are running an alarm configuration, HOBOware will lose its connection to the data...

View Full FAQ
How do I turn the data logger off?

[show/hide]

HOBO/StowAway data loggers shut off when the memory is full (unless wrap around is selected), or the data is downloaded to a computer.

View Full FAQ
My data logger only recorded one data point, stops recording immediately after launch, or stopped recording prematurely.

[show/hide]

There are many situations that can cause a data logger to stop recording: 1.

View Full FAQ
I cannot communicate with my HOBO Shuttle!

[show/hide]

Check to make sure that the batteries are still good. Follow the directions below for the model you have.

View Full FAQ
What input does the external channel on the data logger accept?

[show/hide]

The external channels in the data logger accept the following Onset input cables: 0-2.5 volt DC or 4-20 mA, CT, temperature, and Telaire CO2 sensors.

View Full FAQ
How do I turn the data logger off?

[show/hide]

All HOBO and StowAway data loggers shut off when the memory is full (unless wrap around is selected), or the data is downloaded to a computer.

View Full FAQ
What data loggers are supported by Real-Time Alarm Software?

[show/hide]

All U10 and U12 data loggers are fully compatible with the Real-Time Alarm Software.

View Full FAQ
The batteries in my data logger died while in use. Did I lose all of my data?

[show/hide]

No. The data is stored on non-volatile EEPROM. For data loggers with external batteries: change batteries and offload data, then relaunch normally.

View Full FAQ
Do I need to rename the data file on the logging PC?

[show/hide]

You do not need to periodically rename or delete the data file on the logging PC because the file is automatically updated (e.g., test_1.txt, .

View Full FAQ
How does HOBOware behave when a data logger has a low battery?

[show/hide]

When device battery power is very low interaction with HOBOware can be intermittent. .

View Full FAQ
Can the U12 data loggers be used with a serial port?

[show/hide]

No. The U12 data loggers have a direct USB interface, and there is no equivalent USB to serial converter available to convert USB to RS-232. .

View Full FAQ
The data logger is shutting off prematurely.

[show/hide]

A discharge of static electricity may cause a running data logger to stop recording.

View Full FAQ
What does the CE stamp on the data logger mean?

[show/hide]

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

View Full FAQ
What are the advantages of the U12 data loggers over the H8 data loggers?

[show/hide]

Critereon U12 H8 Resolution 12-bit 8-bit Memory 43K 8K Accuracy ± 1 minute a month ± 1 minute a week Extras push button start (except...

View Full FAQ
Can I use the indoor data loggers outdoors?

[show/hide]

No. These data loggers were manufactured for indoor use in non-condensing environments.

View Full FAQ
I launched my U12 data logger; however, there is no data, only an event! Why?

[show/hide]

Most likely the channels were not enabled when the data logger was launched. .

View Full FAQ
I just placed a new battery in my data logger and it still will not connect.

[show/hide]

The TL-5186 lithium batteries build up an internal passive resistance over a period of non-use.

View Full FAQ
What data loggers are supported by Real-Time Alarm Software?

[show/hide]

All U10 and U12 data loggers are fully compatible with the Real-Time Alarm Software.

View Full FAQ
What is a Data Logger?

[show/hide]

A data logger (or datalogger), commonly referred to as a 'HOBO', is an electronic instrument that records measurements (temperature, relative...

View Full FAQ
Is there a shuttle available for the U12 data loggers?

[show/hide]

U-DT-1 .

View Full FAQ
How do I protect my data loggers from electrical discharge (ESD)?

[show/hide]

A discharge of static electricity may cause a running data logger to stop recording.

View Full FAQ

The following are associated resources for this product. In general users of this product can gain insight into its possible use by utilizing the resources below.

White Papers: