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HOBO by Onset Dataloggers for Environmental Variables

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U20L-02 U20L-02

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HOBO by Onset U20L-02 - Water Level (100ft) Data Logger
  • Unique Features: Self-contained non-vented design enables easy deployment Ideal for use in both fresh and saltwater environments, including wells, streams, lakes, wetlands, and tidal areas Depths up to 100 feet
  • Warranty: N/A
  • Warranty Details: N/A
  • Comments: N/A
  • Safety Approval: CE
  • Interfaces I/O: N/A

Your Price: $375.00

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U23-001A U23-001A

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HOBO by Onset U23-001A - Temperature/Relative Humidity Data Logger
  • Type (Temperature): N/A
  • Max Temperature: 70 C
  • Min Temperature: -40 C (-40 FWhat's This?)
  • Power Source: Battery
  • Battery Life: 3 YEARS (26280 HRWhat's This?)
  • Input Source (Probe): N/A

List Price: $225.00

Your Price: $224.44

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U23-003 U23-003

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HOBO by Onset U23-003 External Temperature Data Logger
  • Type (Temperature): N/A
  • Max Temperature: 70 C
  • Min Temperature: -40 C (-40 FWhat's This?)
  • Power Source: Battery
  • Battery Life: 3 YEARS (26280 HRWhat's This?)
  • Input Source (Probe): N/A

List Price: $259.00

Your Price: $258.35

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U23-004 U23-004

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HOBO by Onset U23-004 External Temperature Data Logger
  • Type (Temperature): N/A
  • Max Temperature: 70 C
  • Min Temperature: -40 C (-40 FWhat's This?)
  • Power Source: Battery
  • Battery Life: 3 YEARS (26280 HRWhat's This?)
  • Input Source (Probe): N/A

List Price: $195.00

Your Price: $194.51

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U24-001 U24-001

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HOBO by Onset U24-001 Conductivity Data Logger
  • Unique Features: Provides easy access to sensor for cleaning and shedding air bubbles HOBOware Pro software enables start/end-point calibration to compensate for any fouling and provides easy conversion to specific conductance and salinity USB optical interface provides high-speed, reliable data offload in wet environments
  • Warranty: N/A
  • Warranty Details: N/A
  • Comments: N/A
  • Safety Approval: CE
  • Interfaces I/O: USB

Your Price: $985.00

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UA-003-64 UA-003-64

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HOBO by Onset UA-003-64 Pendant Event Data Logger
  • Unique Features: Event Data Logger
  • Warranty: N/A
  • Warranty Details: N/A
  • Comments: N/A
  • Safety Approval: CE
  • Interfaces I/O: N/A

List Price: $130.00

Your Price: $129.68

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UA-004-64 UA-004-64

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HOBO by Onset UA-004-64 - Pendant G Data Logger
  • Unique Features: N/A
  • Warranty: N/A
  • Warranty Details: N/A
  • Comments: N/A
  • Safety Approval: CE
  • Interfaces I/O: N/A

List Price: $115.00

Your Price: $114.71

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UX100-011 UX100-011

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HOBO by Onset UX100-011 Temp/RH 2.5% Data Logger
  • Max Temperature: 70 C
  • Min Temperature: -4 F
  • Power Source: Battery
  • Battery Life: 8760 HR
  • Accuracy: ±2.5% from 10% to 90% typical to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical
  • LCD Screen: Yes

List Price: $125.00

Your Price: $124.69

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UX100-011A UX100-011A

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HOBO by Onset UX100-011 - Temperature/Relative Humidity Data Logger
  • Type (Temperature): N/A
  • Max Temperature: 70 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Power Source: Battery
  • Battery Life: 1 YEARS (8760 HRWhat's This?)
  • Input Source (Probe): N/A

List Price: $165.00

Your Price: $164.59

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UX100-014M UX100-014M

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HOBO by Onset UX100-014M Single Channel Thermocouple
  • Type (Temperature): E, J, K, Other, S, T
  • Max Temperature: 1820 C
  • Min Temperature: -260 C (-436 FWhat's This?)
  • Power Source: Battery
  • Battery Life: 1 YEARS (8760 HRWhat's This?)
  • Input Source (Probe): N/A

List Price: $179.00

Your Price: $178.55

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UX90-001 UX90-001

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HOBO by Onset UX90-001 HOBO UX90 State Logger
  • Unique Features: 128 KB (84,650 measurements, maximum)
  • Warranty: N/A
  • Warranty Details: N/A
  • Comments: N/A
  • Safety Approval: CE
  • Interfaces I/O: USB

List Price: $139.00

Your Price: $138.65

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UX90-001M UX90-001M

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HOBO by Onset UX90-001M State Logger
  • Unique Features: One logger with 4 recording modes Internal reed switch can be used to determine when a door or window is open or closed 512KB memory
  • Warranty: N/A
  • Warranty Details: N/A
  • Comments: N/A
  • Safety Approval: CE
  • Interfaces I/O: USB

List Price: $145.00

Your Price: $144.64

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Recommended for you

Dataloggers for Environmental Variables

Environmental Datalogger (or Data Logger, Data Recorder, Data Acquisition) refers to electronics designed to capture environmental variables such as temperature and humidity over time for study and review later.

Benefits of Dataloggers/Data Recorders
  • Quiet, unattended 24/7 operation
  • Simple to setup and operate. Many portable models available
  • Wide variety of measurement types and measurement speeds possible
  • Help troubleshoot and identify problems in many fields
  • Steady declining cost
Parts of a Datalogger/Data Recorder
  • Built in sensor, such as temperature, or electrical terminals to connect an external one
  • A/D or analog to digital converter and signal conditioning electronics
  • Non-volatile storage memory for the collected data and a method to specify the storage rate and on some models the scan interval
  • PC Communications or other method to move the data to a computer and to configure the unit
  • Optionally a local display and keypad. Not always needed, so “blind” units are a cost saving
My handheld Digital Thermometer logs so is it considered a Datalogger?

For our website purposes, no. We further classify data logging instruments as dedicated to data logging. Typically they will be “blind”, i.e. no display or buttons, and intended for long term unattended operation. A handheld digital thermometer will have a host of other features, one of which may optionally be to record data. We have categorized these measuring instruments here Products > Thermometers.
 
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