U12 Outdoor/Industrial Data Logger
Onset HOBO 4 Channel Logger with 4 External Inputs Suitable for Outdoor/Industrial Environments

>> Weatherproof Enclosed Logger with 4 External Inputs for Measuring and Recording Multiple Parameters
>> 0 to 2.5 Volts DC, 0 to 5 Volts DC (w/ #CABLE-ADAP5), 0 to 10 Volts DC (w/ #CABLE-ADAP10) Measurement Ranges
>> -20°C to 70°C (Temperature) and 0 to 95% RH (Humidity) Operating Range
>> Stores up to 43,000 Measured Samples/Readings
>> Sampling Rate of 1 Second to 18 Hours Adjustable by User
>> 1 Year Replaceable Battery Life
>> Requires HOBOWare Software and USB Cable Kit for Operation
>> Includes Mounting Kit, Dessicant Pack and 4 Mounting Screws and Washers
NOTE: NIST Calibration is available. Large Quantity Discounts Are Available!
- Specifications
- Documentation & Videos
- Purchase
External Input Logger Specifications
| Data Storage Capacity |
43,000 12-bit Samples/Readings |
| Sampling Rate |
1 Second to 18 Hours (User-Selectable via Software) |
| Measurement Range |
0 to 2.5 Volts DC (w/ #CABLE-2.5-STEREO) 0 to 5 Volts DC (w/ #CABLE-ADAP5) 0 to 10 Volts (w/ #CABLE-ADAP10) 4-20mA (w/ #CABLE-4-20MA) |
Accuracy (logger only) |
±2 mV ±2.5% of Absolute Reading
±2 mV ±1% of Reading for Logger-Powered Sensors |
| Resolution |
0.6mV |
| Operating Range |
-20°C to 70°C (-4°F to 158°F) |
| Operating Temperature |
Logging: -20°C to 70°C (-4°F to 158°F)
Launch/Readout: 0°C to 50°C (32°F to 122°F) |
| Time Accuracy |
±1 Minute per Month @ 25°C |
| Battery |
3-Volt CR-2032 Lithium Battery (User Replaceable) |
| Battery Life |
Typically 1 Year |
| Software |
HOBOWare Lite or Pro Required (Sold Separately) |
| OS Compatibility |
Windows: XP, Vista and Windows 7
Mac: OS X 10.5 and 10.6 |
| Standards Compliance |
Logger: CE
Weatherproof Case: NEMA 6 Standard (Tested) |
| Weight |
200 g (7.0 oz) |
| Dimensions |
140mm x 137mm x 32mm (5.5" x 5.38 " x 1.25") |
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HOBO U12 Outdoor/Industrial 4 External Channel Logger
>> Weatherproof Housing with 4 External Inputs for Outdoor/Industrial Environments
>> Stores 43,000 Measured Readings
>> 0 to 2.5 Volts DC Measurement Range
>> Requires HOBOWare Software (Pro or Lite)
>> Includes Mounting Kit, Dessicant Pack and Mounting Screws
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| Quantity | Price Each | | 1 - 9 | $215.00 | | 10+ | $200.00 | Part #: U12-008
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| Optional NIST Calibration Service |
- Accessories
(Optional)
- Compatible Sensors
(Required)
- HOBOWare Software
(Minimum 1 Required)
Optional Accessories
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Onset U-Shuttle Data Transporter
>> Open Box - 1 Available
>> In-field Data Offload and Relaunch of U-Series Loggers and Weather Stations
>> 2 x 16-character Display Shows Current Readings and Logger Status
>> Requires HOBOWare Pro Software
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| Quantity | Price Each | | 1 - 9 | $240.00 | | 10+ | $210.00 | Part #: U-DT-1--U--
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Onset U-Shuttle Data Transporter
>> In-field Data Offload and Relaunch of U-Series Loggers and Weather Stations
>> 2 x 16-character Display Shows Current Readings and Logger Status
>> Requires HOBOWare Pro Software
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| Quantity | Price Each | | 1 - 9 | $260.00 | | 10+ | $240.00 | Part #: U-DT-1
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CR2032 Batteries
>> Pack of 5
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| Quantity | Price Each | | 1 - 9 | $10.00 | | 10+ | $8.00 | Part #: HRB-TEMP-5
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Keyspan 4-Port USB Server
>> Ethernet Device Connects USB-Based Devices to LAN
>> Share USB Logger via Network
>> Increases the 5 Meter USB Cabling Limitation
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Price: $129.00 Part #: US-4A
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Custom USB Interface Cable
>> 6 feet long
>> Coated in Black Plastic
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| Quantity | Price Each | | 1 - 9 | $9.00 | | 10+ | $8.00 | Part #: CABLE-USBMB-HS
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Desiccant Pack
>> Replacement Package of 2
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| Quantity | Price Each | | 1 - 9 | $8.00 | | 10+ | $6.00 | Part #: DESIC-PACK
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Click on the Measurement below for Available Sensors and Required Options.
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Compressed Air Flowmeter for 1.0" Steel Pipe
>> Measurement Range: 1 to 80 SCFM
>> LCD Display Shows Flow Directly with No Setup
>> MilliAmp and Pulse Output
>> Includes 110 Volt Power Adapter
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Price: $495.00 Part #: T-CDI-5200-10S
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Compressed Air Flowmeter for 2.0" Steel Pipe
>> Measurement Range: 3 to 350 SCFM with Extended Range up to 600 SCFM
>> LCD Display Shows Flow Directly with No Setup
>> MilliAmp and Pulse Output
>> Includes 110 Volt Power Adapter
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Price: $629.00 Part #: T-CDI-5400-20S
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| Required Accessories |
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4-20mA Input Cable
>> Cable for Connecting Sensor with 4-20mA Output to Logger
>> Length: 18.5"
>> Use in Outdoor and Indoor Environments
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| Quantity | Price Each | | 1 - 9 | $25.00 | | 10+ | $20.00 | Part #: CABLE-4-20MA
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Air Velocity Sensor w/ 0.15 to 10 m/s Range
>> 2-Piece Sensor
>> Output: 0 to 4 Volts DC
>> Current Draw: 70 mA
>> Vibration: Up to 25G
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Price: $319.00 Part #: T-DCI-F900-L-P
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Air Velocity Sensor w/ 0.15 to 5.0 m/s
>> 2-Piece Sensor
>> Output: 0 to 4 Volts DC
>> Current Draw: 70 mA
>> Vibration: Up to 25G
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Price: $319.00 Part #: T-DCI-F900-L-O
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Air Velocity Sensor w/ 0.15 to 10 m/s Range
>> 1-Piece Sensor
>> Output: 0 to 4 Volts DC
>> Current Draw: 70 mA
>> Vibration: Up to 25G
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Price: $235.00 Part #: T-DCI-F900-S-P
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Air Velocity Sensor w/ 0.15 to 5.00 m/s Range
>> 1-Piece Sensor
>> Output: 0 to 4 Volts DC
>> Current Draw: 70 mA
>> Vibration: Up to 25G
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Price: $235.00 Part #: T-DCI-F900-S-O
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| Required Accessories |
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AC Power Adapter
>> Provides DC Power to Sensor
>> Input: 120 Volts AC, 60 Hz
>> Output: 12 Volts DC @ 400 mA
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| Quantity | Price Each | | 1 - 9 | $29.00 | | 10+ | $27.00 | Part #: AC-SENS-1
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0 to 5 Volts DC External Input Cable
>> Input Range: 0 to 5 Volts DC
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP5
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0 to 10 Volts DC External Input Cable
>> Input Range: 0 to 10 Volts DC
>> Impedence: 20 KΩ with 0.6 mV Resolution
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP10
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Veris 480 V, 100 AMP Kilowatt Transducer
>> Self-Contained 0 to 100 AMP Current Transducer for 1 or 3 Phase Power Monitoring
>> Incorporates 3 Spit Core AC Current Sensors and 3 Voltage Leads
>> Outputs a Signal Proportional to Killowatts of Power (Demand)
>> Accepts an input Primary Voltage of 480 Volts AC rms
>> Includes 3 100 AMP Split-Core CTs
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Price: $825.00 Part #: T-VER-8044-100
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| Required Accessories |
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AC Power Adapter
>> Provides DC Power to Sensor
>> Input: 120 Volts AC, 60 Hz
>> Output: 12 Volts DC @ 400 mA
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| Quantity | Price Each | | 1 - 9 | $29.00 | | 10+ | $27.00 | Part #: AC-SENS-1
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4-20mA Input Cable
>> Cable for Connecting Sensor with 4-20mA Output to Logger
>> Length: 18.5"
>> Use in Outdoor and Indoor Environments
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| Quantity | Price Each | | 1 - 9 | $25.00 | | 10+ | $20.00 | Part #: CABLE-4-20MA
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Split Core Bi-Directional Current Transducer
>> Measures up to 200 Amps of DC Current in Both Flow Directions
>> Status LED for Proper Installation
>> Output: 4 to 20 mA (Bi-Polar)
>> Response Time: 2 Seconds
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Price: $229.00 Part #: T-VER-971BP-200
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Split Core DC Current Transformer
>> 0 to 50/100/200 Amp Measurement Ranges
>> mA and Volts DC Outputs
>> Status LED Indicators Ensure Proper Wiring
>> 2 Second Response Time
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Price: $205.00 Part #: T-VER-H970-200
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| Required Accessories |
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AC Power Adapter
>> Provides DC Power to Sensor
>> Input: 120 Volts AC, 60 Hz
>> Output: 12 Volts DC @ 400 mA
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| Quantity | Price Each | | 1 - 9 | $29.00 | | 10+ | $27.00 | Part #: AC-SENS-1
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4-20mA Input Cable
>> Cable for Connecting Sensor with 4-20mA Output to Logger
>> Length: 18.5"
>> Use in Outdoor and Indoor Environments
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| Quantity | Price Each | | 1 - 9 | $25.00 | | 10+ | $20.00 | Part #: CABLE-4-20MA
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Telaire 7001 Carbon Dioxide (CO2) Monitor Provides a display of CO2 and temperature
Can be used with data loggers that accept voltage input to monitor and record carbon dioxide levels
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| Quantity | Price Each | | 1 - 9 | $459.00 | | 10+ | $449.00 | Part #: TELAIRE-7001
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| Required Accessories |
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CO2 Sensor to Data Logger Cable
>> 8" Cable Connecting Sensor to Logger
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $29.00 | | 10+ | $27.00 | Part #: CABLE-CO2
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conLab AC Voltage Transmitter - 150 VAC
>> 0 to 150 Volt Self-Powered Transformer Monitoring Sine Wave, Single Phase AC Voltage
>> Output: 0 to 20 mA
>> Housing: Plastic Carbonate
>> Mounting: Standard 35mm DIN Rail
>> Indoor Use Only
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Price: $139.00 Part #: T-CON-ACT-150
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conLab AC Voltage Transmitter - 300 VAC
>> 0 to 300 Volt Self-Powered Transformer Monitoring Sine Wave, Single Phase AC Voltage
>> Output: 0 to 20 mA
>> Housing: Plastic Carbonate
>> Mounting: Standard 35mm DIN Rail
>> Indoor Use Only
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Price: $139.00 Part #: T-CON-ACT-300
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| Required Accessories |
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4-20mA Input Cable
>> Cable for Connecting Sensor with 4-20mA Output to Logger
>> Length: 18.5"
>> Use in Outdoor and Indoor Environments
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| Quantity | Price Each | | 1 - 9 | $25.00 | | 10+ | $20.00 | Part #: CABLE-4-20MA
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0-20 Amp Split-Core AC Current Sensor
>> With Input of AC Current, Sine Wave, Single Phase 50 or 60 Hz
>> Range: 0 to 20 Amps AC
>> Load Power Factor: 0.5 to 1.0 Lead or Lag
>> Housing: Molded Plastic
>> Cable Length: 1.8 Meters (6 Feet)
>> Indoor Use (UL508)
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| Quantity | Price Each | | 1 - 9 | $90.00 | | 10+ | $84.00 | Part #: CTV-A
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0-50 Amp split-core AC current sensor
>> With Input of AC Current, Sine Wave, Single Phase 50 or 60 Hz
>> Range: 0 to 50 Amps AC
>> Load Power Factor: 0.5 to 1.0 Lead or Lag
>> Housing: Molded Plastic
>> Cable Length: 1.8 Meters (6 Feet)
>> Indoor Use (UL508)
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| Quantity | Price Each | | 1 - 9 | $90.00 | | 10+ | $84.00 | Part #: CTV-B
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0-100 Amp split-core AC current sensor
>> With Input of AC Current, Sine Wave, Single Phase 50 or 60 Hz
>> Range: 0 to 100 Amps AC
>> Load Power Factor: 0.5 to 1.0 Lead or Lag
>> Housing: Molded Plastic
>> Cable Length: 1.8 Meters (6 Feet)
>> Indoor Use (UL508)
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| Quantity | Price Each | | 1 - 9 | $90.00 | | 10+ | $84.00 | Part #: CTV-C
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0-200 Amp split-core AC Current Sensor
>> With Input of AC Current, Sine Wave, Single Phase 50 or 60 Hz
>> Range: 0 to 200 Amps AC
>> Load Power Factor: 0.5 to 1.0 Lead or Lag
>> Housing: Molded Plastic
>> Cable Length: 1.8 Meters (6 Feet)
>> Indoor Use (UL508)
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| Quantity | Price Each | | 1 - 9 | $115.00 | | 10+ | $107.00 | Part #: CTV-D
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0-600 Amp split-core AC Current Sensor
>> With Input of AC Current, Sine Wave, Single Phase 50 or 60 Hz
>> Range: 0 to 600 Amps AC
>> Load Power Factor: 0.5 to 1.0 Lead or Lag
>> Housing: Molded Plastic
>> Cable Length: 1.8 Meters (6 Feet)
>> Indoor Use (UL508)
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| Quantity | Price Each | | 1 - 9 | $115.00 | | 10+ | $107.00 | Part #: CTV-E
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0 to 2.5 Volts DC Voltage Input Cable
>> Input Range: 0 to 2.5 Volts
>> 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.8 Meters (6 Feet)
>> Use Indoor and Outdoor Environments
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| Quantity | Price Each | | 1 - 9 | $9.00 | | 10+ | $8.00 | Part #: CABLE-2.5-STEREO
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0 to 5 Volts DC External Input Cable
>> Input Range: 0 to 5 Volts DC
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP5
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0 to 10 Volts DC External Input Cable
>> Input Range: 0 to 10 Volts DC
>> Impedence: 20 KΩ with 0.6 mV Resolution
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP10
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4-20mA Input Cable
>> Cable for Connecting Sensor with 4-20mA Output to Logger
>> Length: 18.5"
>> Use in Outdoor and Indoor Environments
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| Quantity | Price Each | | 1 - 9 | $25.00 | | 10+ | $20.00 | Part #: CABLE-4-20MA
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Differential Air Pressure Transducer
>> Measurement Range: 0 to 10" WC (Field Selectable)
>> Unidirectional or Bi-Directional Modes
>> Push Button and Digital Input Terminal to Zero the Output
>> Highly Accurate, Microprocessor Profiled Sensors
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Price: $195.00 Part #: T-VER-PXU-X
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Differential Air Pressure Transducer w/ Display
>> Measurement Range: 0 to 10" WC (Field Selectable)
>> Unidirectional or Bi-Directional Modes
>> Push Button and Digital Input Terminal to Zero the Output
>> Highly Accurate, Microprocessor Profiled Sensors
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Price: $220.00 Part #: T-VER-PXU-L
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| Required Accessories |
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AC Power Adapter
>> Provides DC Power to Sensor
>> Input: 120 Volts AC, 60 Hz
>> Output: 12 Volts DC @ 400 mA
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| Quantity | Price Each | | 1 - 9 | $29.00 | | 10+ | $27.00 | Part #: AC-SENS-1
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0 to 5 Volts DC External Input Cable
>> Input Range: 0 to 5 Volts DC
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP5
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0 to 10 Volts DC External Input Cable
>> Input Range: 0 to 10 Volts DC
>> Impedence: 20 KΩ with 0.6 mV Resolution
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP10
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Ashcroft Gauge Pressure Sensor
>> Precision Pressure Measurements in Compressed Air Systems, Water or Oter Gases and Fluids
>> Measurement Range: 100 psig
>> Accuracy: ±1% to 1.5% FS
>> Connection: 1/4" NPT 305 Stainless Steel
>> Output Signal: 0 to Volts DC, 3 Wire
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Price: $190.00 Part #: T-ASH-G2-100
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Ashcroft Gauge Pressure Sensor
>> Precision Pressure Measurements in Compressed Air Systems, Water or Oter Gases and Fluids
>> Measurement Range: 200 psig
>> Accuracy: ±1% to 1.5% FS
>> Connection: 1/4" NPT 305 Stainless Steel
>> Output Signal: 0 to Volts DC, 3 Wire
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Price: $190.00 Part #: T-ASH-G2-200
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Ashcroft Gauge Pressure Sensor
>> Precision Pressure Measurements in Compressed Air Systems, Water or Oter Gases and Fluids
>> Measurement Range: 500 psig
>> Accuracy: ±1% to 1.5% FS
>> Connection: 1/4" NPT 305 Stainless Steel
>> Output Signal: 0 to Volts DC, 3 Wire
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Price: $190.00 Part #: T-ASH-G2-500
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| Required Accessories |
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AC Power Adapter
>> Provides DC Power to Sensor
>> Input: 120 Volts AC, 60 Hz
>> Output: 12 Volts DC @ 400 mA
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| Quantity | Price Each | | 1 - 9 | $29.00 | | 10+ | $27.00 | Part #: AC-SENS-1
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0 to 5 Volts DC External Input Cable
>> Input Range: 0 to 5 Volts DC
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP5
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0 to 10 Volts DC External Input Cable
>> Input Range: 0 to 10 Volts DC
>> Impedence: 20 KΩ with 0.6 mV Resolution
>> Cable: 13mm (0.5") Tinned Braided Wire Leads
>> Cable Length: 1.9 Meters (6.3 feet)
>> Indoor Use Only
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| Quantity | Price Each | | 1 - 9 | $12.00 | | 10+ | $11.00 | Part #: CABLE-ADAP10
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Air/Water/Soil Temperature Sensor
>> Temperature Range: -40°C to 50°C
>> Housing: Stainless Steel Sensor Tip
>> Probe Dimensions: 0.5cm x 2.5cm (0.20" x 1.0")
>> Cable Length: 1 Meters (3 feet)
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| Quantity | Price Each | | 1 - 9 | $32.00 | | 10+ | $30.00 | Part #: TMC1-HD
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Air/Water/Soil Temperature Sensor
>> Temperature Range: -40°C to 50°C
>> Housing: Stainless Steel Sensor Tip
>> Probe Dimensions: 0.5cm x 2.5cm (0.20" x 1.0")
>> Cable Length: 1.8 Meters (6 feet)
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| Quantity | Price Each | | 1 - 9 | $35.00 | | 10+ | $33.00 | Part #: TMC6-HD
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Air/Water/Soil Temperature Sensor
>> Temperature Range: -40°C to 50°C
>> Housing: Stainless Steel Sensor Tip
>> Probe Dimensions: 0.5cm x 2.5cm (0.20" x 1.0")
>> Cable Length: 6.1 Meters (20 feet)
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| Quantity | Price Each | | 1 - 9 | $40.00 | | 10+ | $38.00 | Part #: TMC20-HD
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Air/Water/Soil Temperature Sensor
>> Temperature Range: -40°C to 50°C
>> Housing: Stainless Steel Sensor Tip
>> Probe Dimensions: 0.5cm x 2.5cm (0.20" x 1.0")
>> Cable Length: 15.2 Meters (50 feet)
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| Quantity | Price Each | | 1 - 9 | $45.00 | | 10+ | $43.00 | Part #: TMC50-HD
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Stainless Steel Temperature Probe
>> Temperature Range: -40°C to 100°C
>> Housing: Food Grade Stainless Steel Probe with Pointed Tip
>> Probe Dimensions: 3mm Diameter x 101.6mm Length (0.12" x 4.0")
>> Cable Length: 1.8 Meters (6 feet)
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| Quantity | Price Each | | 1 - 9 | $79.00 | | 10+ | $73.00 | Part #: TMC6-HC
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Air Temperature Sensor
>> Fast Response Probe with Plated Copper Sensor Tip
>> Measurement Range: -40°C to 100°C
>> Includes Tie Wraps, Screw and Thermal Grease
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Price: $35.00 Part #: TMC6-HE
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HOBOWare Software Kits
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HOBOware Lite Software Kit
>> Logger Management, Data Graphing and Data Analysis
>> Includes Software, USB Interface Cable and Getting Started Guide
>> Compatible with Windows and Mac Operating Systems
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Price: $45.00 Part #: BHW-LITE-CD
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HOBOware Pro Software Kit
>> Logger Management, Data Graphing and Data Analysis
>> Includes Software, USB Interface Cable and Getting Started Guide
>> Compatible with Windows and Mac Operating Systems
>> Supports Data Shuttles, Data Assistants, Plugins and Weather Stations
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| Quantity | Price Each | | 1 - 9 | $99.00 | | 10+ | $92.00 | Part #: BHW-PRO-CD
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| Optional Software Add-on |
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Alarm Notification and Readout Tool
>> Monitors Data for HOBO Loggers and Provides Real-Time Alarm Notification
>> Email, Pager and Cell Phone Notifications
>> Supports Multiple Loggers and Multiple Notifications
>> Requires HOBOWare Pro Software
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Price: $55.00 Part #: BHW-T-ALRM
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All prices are in U.S. Dollars.
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