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Dataloggers for Environmental Variables

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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

Your Price: $180.00

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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: $910.00

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U2422 U2422

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Comet U2422 - Datalogger for External CO2 Probe (up to 10,000ppm), Built-in Atmospheric Pressure Sensor
  • Unique Features: CO2 measurement range: 0 to 10,000 ppm CO2 measurement accuracy: 100 ppm + 5% of the measured value at 23 °C a 1 013 hPa Atmospheric pressure measurement range: 600 to 1100 hPa Atmospheric measurement accuracy: ±1.3 hPa at 23 °C from 800 to 1100 hPa
  • Warranty: 3 YEARS
  • IP Rating: IP54
  • Product Weight: 0.57 LBS
  • Product Height: 93 MM (3.66 INWhat's This?)
  • Product Length: 53 MM (2.09 INWhat's This?)

Your Price: $426.00

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U3120 U3120

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Comet U3120 - Temperature and Humidity Data Logger with Built-in Sensors
  • Max Temperature: 70 C
  • Min Temperature: -30 C (-22 FWhat's This?)
  • Accuracy: ±1.5 °C at ambient temperature T <25 °C and RH >30%
  • Software Included: Yes
  • Warranty: 3 YEARS
  • Interfaces I/O: USB-C

Your Price: $352.00

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U3120M U3120M

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Comet U3120M - IoT Wireless Temperature and Relative Humidity Datalogger, with Built-in GSM Modem
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Accuracy: ±1.5 °C at ambient temperature T <25 °C and RH >30%
  • Software Included: Yes
  • Warranty: 3 YEARS
  • Interfaces I/O: USB-C

Your Price: $793.00

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U3120Msim U3120Msim

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Comet U3120Msim - IoT Wireless Temperature and Humidity Datalogger with Built-in Sensor, GSM Modem, Flat Rate SIM Card
  • Type (Temperature): Other
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Power Source: Battery
  • Input Source (Probe): Internal Probe
  • # Inputs/Channels: 1

Your Price: $868.00

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U3121 U3121

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Comet U3121 - Temperature and Humidity Data Logger for External Probe
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • # Inputs/Channels: 1
  • Software Included: Yes
  • Warranty: 3 YEARS
  • Interfaces I/O: USB-C

Your Price: $321.00

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U3121M U3121M

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Comet U3121M - IoT Wireless Temperature and Relative Humidity Datalogger for External Probe, with Built-in GSM Modem
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • # Inputs/Channels: 1
  • Software Included: Yes
  • Warranty: 3 YEARS
  • Interfaces I/O: USB-C

Your Price: $756.00

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U3121Msim U3121Msim

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Comet U3121Msim - IoT Wireless Temperature and Humidity Datalogger for External Probe, GSM Modem, Flat Rate SIM Card
  • Type (Temperature): Other
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Power Source: Battery
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 1

Your Price: $828.00

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U3430 U3430

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Comet U3430 - Temperature, Humidity and CO2 Data Logger with Built-in Sensors
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Accuracy: TEMPERATURE SENSOR: ±0.4 °C HUMIDITY SENSOR: ± 1.8 % RH DEW POINT: ±1.5 °C at ambient temperature T <25 °C and RH >30 % CO2 SENSOR: ±(50ppm +3% from reading) at 25°C and 1013hPa
  • LCD Screen: Yes
  • Software Included: Yes
  • Warranty: 3 YEARS

Your Price: $578.00

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U3631 U3631

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Comet U3631 - Temperature and Humidity Data Logger with Connector for Another Temperature Probe
  • Max Temperature: 70 C
  • Min Temperature: -30 F
  • Accuracy: TEMPERATURE SENSOR: ±0.4 °C TEMPERATURE SENSOR - EXTERNAL PROBE PT1000: ±0.2 °C (-50 to +100 °C); ±0.2 % from reading from +100 to +260 °C; ±0.4 % from reading from -90 to -50 °C HUMIDITY SENSOR: ± 1.8 % RH DEW POINT: ±1.5 °C at ambient temperature T <25 °C and RH >30 %
  • LCD Screen: Yes
  • Software Included: Yes
  • Warranty: 3 YEARS

Your Price: $420.00

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U3631M U3631M

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Comet U3631M - IoT Wireless Temperature and Relative Humidity Datalogger with Connector for Other Temperature Probe, with Built-in GSM Modem
  • Max Temperature: 60 C
  • Min Temperature: -20 F
  • Accuracy: TEMPERATURE SENSOR: ±0.4 °C HUMIDITY SENSOR: ± 1.8 % RH DEW POINT: ±1.5 °C at ambient temperature T <25 °C and RH >30 %
  • LCD Screen: Yes
  • Software Included: Yes
  • Warranty: 3 YEARS

Your Price: $937.00

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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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