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

IMPORTANT:
HOBO data loggers requires HOBOware software (USB interface cable included w/CD purchase) and a communications device. See compatible items below.
$140
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U12-012 Data Logger Product Video

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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.

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):
4-20mA • AC Current • AC Voltage • Air Velocity • Carbon Dioxide • Compressed Air Flow See more
IMPORTANT:
HOBO data loggers requires HOBOware software (USB interface cable included w/CD purchase) 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.

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):
4-20mA • AC Current • AC Voltage • Air Velocity • Carbon Dioxide • Compressed Air Flow • DC Current • DC Voltage • Gauge Pressure • Kilowatts (kW) • Light Intensity • Relative Humidity • Temperature • Volatile Organic Comp.

  • 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
  • Compatible with HOBOware and HOBOware Pro for logger setup, graphing and analysis

To see the full specifications for this product, please see our product manual found under the documentation tab if available.

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
Graphing and Analysis
HOBOware Pro Mac/Win (USB cable included)
$99
HOBOware Pro - Mac/Win (Download Only) Data Logger
$75
Compatible Sensors
4-20 mA
4 to 20 mA Input
$25
AC Current
2-20 Amp split-core AC current
$90
5-50 Amp split-core AC current
$90
10-100 Amp split-core AC current
$90
20-200 Amp split-core AC current
$115
60 - 600 Amp split-core AC current
$115
AC Voltage
ConLab 0-150 Volt AC Transmitter
$139
ConLab 0-300 Volt AC Transmitter
$139
Items used with above items
4 to 20 mA Input
$25
Air Velocity
Air Velocity (.15 to 5 m/s) (30 to 985 fpm)
$375
Air Velocity (0.15 to 10 m/s) (30 to 1969 fpm)
$375
Air Velocity (0.15 to 5 m/s) (30 to 985 fpm)
$280
Air Velocity Sensor (0.15 to 10 m/s) (30 to 1969 fpm)
$280
Items used with above items
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29
0 to 5 VoltsDC Voltage Input
$12
Carbon Dioxide
Telaire 7001 CO2
$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 to 20 mA Input
$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 to 20 mA Input
$25
Split-Core 200A DC Transducer

This product is discontinued.


The upgrade for this product is the T-VER-971BP-200
Items used with T-VER-H970-200
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29
0 to 5 VoltsDC Voltage Input
$12
DC Voltage (0-2.5v, 5v, 10v)
0 to 24 VoltsDC Voltage Input
$12
DC Voltage (0-2.5v, 5v, 10v)
0 to 2.5 VoltsDC Voltage Input
$10
0 to 10 VoltsDC Voltage Input
$12
0 to 5 VoltsDC Voltage Input
$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
0 to 5 VoltsDC Voltage Input
$12
Gauge Pressure
Ashcroft (100-psig) Gauge Pressure
$199
Ashcroft (200-psig) Gauge Pressure
$199
Ashcroft (500-psig) Gauge Pressure
$199
Items used with above items
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29
0 to 5 VoltsDC Voltage Input
$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 to 20 mA Input
$25
Temperature
Air/Water/Soil Temperature (1' cable)
$35
Air/Water/Soil Temperature (20' cable)
$44
Air/Water/Soil Temperature (50' cable)
$50
Stainless Steel Temperature Probe (6' cable)
$87
Air/Water/Soil Temperature (6' cable)
$39
Temperature (6')
$39
VOC
Volatile Organic Compound (VOC)
$2995
Items used with T-ION-TVOC
AC Power Adapter for 3rd Party Sensors up to 400mA @12vdc
$29
4 to 20 mA Input
$25
Communications
Connection Cables
USB Cable
$10
Data Offload - Base Stations - Shuttles
HOBO U-Shuttle
$281
Maintenance
Batteries
Replacement batteries (Pack of 5)
$12
Accessories
Carrying Case
Pelican Case
$245
Compliance Certificate
Compliance
$25
NIST Certification
Setup Charge for NIST Traceable
Please call 1-800-564-4377 to place an order.
NIST testing usually takes between 1-2 weeks.
NIST Temperature point
Please call 1-800-564-4377 to place an order. NIST testing usually takes between 1-2 weeks.
Protective Enclosure
Documentation for the U12-012

 
U12-Data-Loggers-Data-Sheets logo
U12 Data Logger Data Sheet


 
HOBO U12 Temp/RH/Light External Data Logger (U12-012) User's Manual (non-CE compliant)


 
HOBO U12 Temp/RH/Light External Data Logger (U12-012) User's Manual (CE compliant)