HOBO U12 Temperature/Relative Humidity/Light/External Data Logger - U12-012


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IMPORTANT: This HOBO data logger requires HOBOware software and a communications device. See compatible items below.

Measure temperature, relative humidity, light intensity, and more with the HOBO U12-012. With 12-bit resolution measurements, this data logger gathers a range of recorded data and stores 43,000 measurements.

  • 12-bit resolution provides high accuracy
  • Large memory for long-term deployments or fast sampling
  • Programmable and push button start
  • Direct USB interface for fast data offload
  • Compatible with Onset’s HOBO U-Shuttle for convenient data transport

Environment:
The U12-012 Data Logger is for use in Indoor environments

Measurements:
The U12-012 Data Logger supports the following measurements (some sensors sold separately):

Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more

$140
Onset # U12-012
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$US $140.00 $130.20 $119.00
Items you may need to complete your order Help

Note: A complete system requires a data logger and software. Sold Separately.

Software - HOBOware Pro $99

U12-012 Data Logger Product Video



Measurement range:
U12-012 Plot ATemperature: -20° to 70°C (-4° to 158°F)
RH: 5% to 95% RH
Light intensity: 1 to 3000 footcandles (lumens/ft2) typical; maximum value varies from 1500 to 4500 footcandles (lumens/ft2)
Analog channels:
0 to 2.5 Vdc (w/CABLE-2.5-STEREO); 0 to 5 Vdc (w/CABLE-ADAP5); 0 to 10 Vdc (w/ CABLE-ADAP10); 4-20 mA (w/CABLE-4-20MA)

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%, see Plot B
U-12-011 Plot B RH Accuracy Light intensity: Designed for indoor measurement of relative light levels, see Plot D for light wavelength response
External input channel (see sensor manual): ± 2 mV ± 2.5% of absolute reading

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

Sample Rate:
1 second to 18 hours, user selectable

Drift:
U12-012 Plot C Temperature: 0.1°C/year (0.2°F/year)
RH: <1% per year typical; RH hysteresis 1%

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

Operating temperature:
Logging: -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)
U12-012 Plot DLaunch/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)

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

Software
Part Number
Description
Price
Qty
Graphing and Analysis
HOBOware Pro Mac/Win (USB cable included)
$99

HOBOware Pro - Mac/Win Data Logger Software - Download Only
$89

Compatible Sensors
Part Number
Description
Price
Qty
4-20 mA
4-20 mA cable
$25

AC Current
2 - 20 Amp split-core AC current sensor
$90

5 - 50 Amp split-core AC current sensor
$90

10 - 100 Amp split-core AC current sensor
$90

20 - 200 Amp split-core AC current sensor
$115

60 - 600 Amp split-core AC current sensor
$115

AC Voltage
ConLab 0-150 Volt AC Transmitter
$139

ConLab 0-300 Volt AC Transmitter
$139

Items used with above items
4-20 mA cable
$25

Air Velocity
Air Velocity Sensor - .15 - 5 m/s (30 - 985 fpm)
$375

Air Velocity Sensor - 0.15 - 10 m/s (30 - 1969 fpm)
$375

Air Velocity Sensor - 0.15 - 5 m/s (30 - 985 fpm)
$280

Air Velocity Sensor - 0.15 - 10 m/s (30 - 1969 fpm)
$280

Items used with above items
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

External input cable providing analog sensor input of 0-5 Vdc max.
$12

Carbon Dioxide
Telaire 7001 CO2 Sensor
$465

Items used with TEL-7001
Sensor output cable for U12 loggers
$29

Compressed Air Flow Meter
Compressed Air Flow Meter - 1 - 80 SCFM
$495

Compressed Air Flow Meter - 3 - 350 SCFM
$629

Items used with above items
4-20 mA cable
$25

DC Amperage
Split-Core Bi-Polar DC Transducer
$229

Items used with T-VER-971BP-200
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

4-20 mA cable
$25

Split-Core 200A DC Transducer
$205

Items used with T-VER-H970-200
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

External input cable providing analog sensor input of 0-5 Vdc max.
$12

DC Voltage (0-2.5v, 5v, 10v)
External input cable providing analog sensor input of 0-24 Vdc max.
$12

DC Voltage (0-2.5v, 5v, 10v)
Voltage Input Cable - 0-2.5 Vdc
$10

External input cable providing analog sensor input of 0-10 Vdc max.
$12

External input cable providing analog sensor input of 0-5 Vdc max.
$12

Differential Air Pressure
Differential Air Pressure Transducer
$220

Differential Air Pressure Transducer
$195

Items used with above items
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

External input cable providing analog sensor input of 0-5 Vdc max.
$12

Gauge Pressure
Ashcroft Gauge Pressure Sensor/100-psig
$190

Ashcroft Gauge Pressure Sensor/200-psig
$190

Ashcroft Gauge Pressure Sensor/500-psig
$190

Items used with above items
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

External input cable providing analog sensor input of 0-5 Vdc max.
$12

Power
Veris 480 V, 100 Amp Kilowatt Transducer
$815

Items used with T-VER-8044-100
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

4-20 mA cable
$25

Temperature
Air/Water/Soil Temp Sensor (1' cable)
$35

Air/Water/Soil Temp Sensor (20' cable)
$44

Air/Water/Soil Temp Sensor (50' cable)
$50

Stainless Steel Temp Probe (6' cable)
$87

Air/Water/Soil Temp Sensor (6' cable)
$39

Temperature Sensor (6' Sensor)
$39

VOC
Volatile Organic Compound (VOC) Sensor
$2995

Items used with T-ION-TVOC
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29

4-20 mA cable
$25

Communications
Part Number
Description
Price
Qty
Connection Cables
USB Cable
$10

Data Offload - Base Stations - Shuttles
HOBO® U-Shuttle
$281

Maintenance
Part Number
Description
Price
Qty
Batteries
Replacement batteries for several loggers (Pack of 5)
$12

Accessories
Part Number
Description
Price
Qty
Carrying Case
Pelican Case
$245

Compliance Certificate
Compliance Certificate
$25

NIST Certification
Setup Charge for NIST Traceable Certification
Please call 1-800-564-4377 to place an order.
NIST testing usually takes between 1-2 weeks.
(download sample certificate - PDF)

NIST Temperature point certification
Please call 1-800-564-4377 to place an order. NIST testing usually takes between 1-2 weeks.

(download sample certificate - PDF)


Documentation for the U12-012

 
U12-012 non-CE Compliant Manual


 
U12-012 CE Compliant Manual


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