HOBO U12 Stainless Temperature Data Logger - U12-015

Qty.	1-9	10-99	100+
$US	$259	$240	$220

Printable Data Sheet

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Overview
Required Items
Parts & Accessories

Overview

Description & Features

Detailed Specifications

Documentation

FAQs

Resources

The HOBO U12 Stainless Temperature Data Logger is ideal for food, pharmaceutical, autoclave, and other applications where high-accuracy temperature data is critical. With its broad temperature range (-40 to 125C) and food-grade stainless steel housing, the U12 Stainless Temperature Data Logger withstands process conditions from pasteurization to flash freezing and washdown. The U12 Stainless is also ideal for high-temperature or deep underwater applications.

Features:

Food-grade 316 Series Stainless Steel
High-accuracy, extended temperature range
Suitable for high pressure applications to 2200psi
Fast readout via direct USB interface

Environment:

The U12-015 Data Logger is for use in Indoor , Outdoor and Underwater environments

Measurements:

The U12-015 Data Logger supports the following measurements : Temperature

Measurement range: -40° to 125°C (-40° to 257°F)

Plot A Accuracy: ± 0.25°C from 0° to 50°C (± 0.45°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

Drift: 0.05°C/year + 0.1°C/1000 hrs above 100°C (0.09°F/year + 0.2°F/1000 hrs above 212°F)

Response time in 1 m/s (2.2 mph) airflow:
U12-015: < 10 minutes, typical to 90%
U12-015-02: 2.25 minutes, typical to 90%

Response time in water:
U12-015: < 3.5 minutes, typical to 90%
U12-015-02: 20 seconds, typical to 90%

Plot B Time accuracy: ± 2 minute per month at 25°C (77°F), see Plot B

Operating environment: Air, water, steam, 0 to 100% RH

Operating temperature:
Logging: -40° to 125°C (-40° to 257°F)
Launch/readout: 0° to 50°C (32° to 122°F), per USB specification

Battery: life 3 year typical use, factory replaceable

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

Construction: Food-grade 316 Series Stainless Steel

Weight:
U12-015: 72 g (2.5 oz)
U12-015-02: 82 g (2.9 oz)

Logger dimensions: 17.5 x 101.6 mm (0.69 x 4.00 inches)

Probe dimensions (U12-015-02 only): 4 x 124 mm (0.16 x 4.90 inches)

Pressure/depth rating: 2200 psi (1500 m/4900 ft) maximum

Vibration rating: Navy spec: NAVMAT P-9492 (non-probe model only)

NIST certificate: Available for additional charge; temperature range -30° to 120°C (-22° to 248°F)

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

U12-015
U12-015-02

7938-I-MAN-U12-015

PDF

What are the issues with deploying U12 Stainless Temperature Data Loggers in salt water?

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316 Stainless Steel has good corrosion resistance but it can be damaged by contact with dissimilar metals or through crevice corrosion in salt water.

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What are the issues for using the U12 data logger in washing machines, dryers, or other tumbling environments?

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Repetitive, high-impact mechanical shock encountered in some environments (e.g.

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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.

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

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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?

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

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

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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...

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How do i do a Quick Accuracy Check

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

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

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

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I cannot communicate with my data logger.

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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...

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

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

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

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

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

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As a general rule, no.

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

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

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Why is my connection to the data loggers intermittent?

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

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

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

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How do I turn the data logger off?

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

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

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

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I cannot communicate with my HOBO Shuttle!

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

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How do I turn the data logger off?

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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.

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

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

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

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

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

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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, .

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Is there a shuttle available for the U12 data loggers?

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U-DT-1 .

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

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

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

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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. .

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The data logger is shutting off prematurely.

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

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What does the CE stamp on the data logger mean?

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

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

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

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What is a Data Logger?

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

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

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

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