HOBO U12 Data Loggers

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HOBO U Family Temp/RH Logger

  • Monitor up to 4 channels of energy and environmental data
  • 12-bit resolution measurements for detecting greater variability in recorded data
  • Direct USB connectivity for convenient, fast data offload
  • 43K measurement capacity
  • Choice of three models, with flexible measurement options
  • Programmable as well as push-button start
  • Compatible with a broad range of external sensors
  • 1-year user-replaceable battery
  • Works with HOBOware® software for powerful graphing & analysis

How It Works
Results: 1 to 10 of 10



  • Easy-to view LCD display
  • Large memory capacity
  • Visual high & low alarm thresholds
  • New Burst and Statistics logging modes
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  • Twice the accuracy over previous models with 16-bit resolution
  • Flexible support for a wide range of external sensors
  • LCD confirms logger operation and displays near real-time measurement data
  • Provides minimum, maximum, average and standard deviation logging options
  • On-screen alarms notify you when a sensor reading exceeds set thresholds
  • Stores 1.9 million measurements for longer deployments between offloads
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HOBO U12 4-Channel External Data Logger - U12-008
  • Supported Measurements (sensors sold separately):
    Temperature, 4-20mA, AC Current, AC Voltage, Air Velocity, Carbon Dioxide See more, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Volatile Organic Compound See less
  • Range: 0 to 2.5 VDC
  • Accuracy: ± 2 mV ± 2.5% of absolute reading
$249



  • Easy-to view LCD display
  • Large memory capacity
  • Visual high & low alarm thresholds
  • New Burst and Statistics logging modes
  • User-replaceable RH sensor
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HOBO U12 Temperature/Relative Humidity/Light/External Data Logger - U12-012
  • Supported Measurements (some sensors sold separately):
    Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Light Intensity, Volatile Organic Compound See less
  • Range: Temp: -20° to 70°C (-4° to 158°F) - RH: 5% to 95% Light intensity: 1 to 3000 foot candles (lumens/ft2)
    External input: 0 to 2.5 VDC

  • Accuracy: Temp: ± 0.4°C @ 25°C (± 0.7°F @ 77°F) - RH: ± 2.5% from 10% to 90% - External Input: ± 2 mV ± 2.5% of absolute reading
  • Replacement for: H08-004-02, H08-006-04
$140
HOBO U12 Temperature/Relative Humidity/Light/External Data Logger - U12-012



HOBO U12 Temperature/Relative Humidity/2 External Channel Data Logger - U12-013
  • Supported Measurements (some sensors sold separately):
    Temperature, Relative Humidity, 4-20mA, AC Current, AC Voltage, Air Velocity See more, Carbon Dioxide, Compressed Air Flow, DC Current, DC Voltage, Gauge Pressure, Kilowatts (kW), Volatile Organic Compound See less
  • Range: Temp: -20° to 70°C (-4° to 158°F) - RH: 5% to 95% - External input channels: 0 to 2.5 VDC
  • Accuracy: Temp: ± 0.35°C from 0° to 50°C (± 0.63°F from 32° to 122°F) - RH: ± 2.5% from 10% to 90% - External Input: ± 2 mV ± 2.5% of absolute reading
$140
HOBO U12 Temperature/Relative Humidity/2 External Channel Data Logger - U12-013



  • High-accuracy J, K, T, E, R, S, B, N thermocouple readings
  • Easy-to view LCD display
  • Large memory capacity
  • Visual high & low alarm thresholds
  • New Burst and Statistics logging modes
  • Record ambiant temperature with internal thermistor

Onset also offers a four-channel thermocouple data logger, the HOBO UX120-014M.

 

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HOBO U12 Stainless Temperature Data Logger - U12-015
  • Supported Measurements:
    Temperature
  • Range: -40° to 125°C (-40° to 257°F)
  • Accuracy: ± 0.25°C from 0° to 50°C (± 0.45°F from 32° to 122°F)

$272
HOBO U12 Stainless Temperature Data Logger - U12-015



HOBO U12 5-Inch Probe Temperature - U12-015-02
  • Supported Measurements:
    Temperature
  • Range: -40° to 125°C (-40° to 257°F)
  • Accuracy: Accuracy: +/- 0.25°C from 0° to 50°C (0.45°F from 32° to 122°F) - Time accuracy: ± 2 min per month at 25°C (77°F)

$373
HOBO U12 	5-Inch Probe Temperature - U12-015-02



HOBO U12 Deep Ocean Temperature Logger - U12-015-03
  • Supported Measurements:
    Temperature, Water Temp
  • Range:
    Temp: -40° to 125°C (-40° to 257°F)"
    Depth: 11,000 m (36,080 ft)
    Pressure: 1110 bar (16,000 psi)
  • Accuracy: ±2 minute per month at 25°C (77°F)

$799
3 week lead time
HOBO U12 Deep Ocean Temperature Logger - U12-015-03