Comet Dataloggers for Environmental Variables

 
Comet U0122 - Dual Channel Temperature Data Logger for One External Pt1000 Probe with Internal Temperature Sensor
  • Max Temperature: 70 C
  • Min Temperature: -30 C (-22 FWhat's This?)
  • # Inputs/Channels: 2
  • SAMPLE RATE/Intervals: Adjustable from 10s to 24h
  • 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
  • LCD Screen: Yes

Your Price: $279.00

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Comet U0141 - Temperature Data Logger for Four External Pt1000 Probes
  • Max Temperature: 260 C
  • Min Temperature: -200 C (-328 FWhat's This?)
  • # Inputs/Channels: 4
  • SAMPLE RATE/Intervals: Adjustable from 1s to 24h
  • Accuracy: ±0.2°C; ±0,2 % of the measurement value in a range of +100 to +260 °C
  • LCD Screen: Yes

Your Price: $373.00

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Comet U0141M - IoT Wireless Temperature Datalogger for 4 External probes, with Built-in GSM Modem
  • Max Temperature: 260 C
  • Min Temperature: -200 C (-328 FWhat's This?)
  • # Inputs/Channels: 4
  • SAMPLE RATE/Intervals: Adjustable from 1s to 24h
  • Accuracy: ±0.2°C; ±0.2 % of the measurement value in a range of +100 to +260 °C
  • LCD Screen: Yes

Your Price: $793.00

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Comet U0141Msim - IoT Wireless Temperature Datalogger for 4 External Probes, GSM Modem, Flat Rate SIM Card
  • Type (Temperature): Other
  • Max Temperature: 260 C
  • Min Temperature: -200 C (-328 FWhat's This?)
  • Power Source: Battery
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 4

Your Price: $868.00

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Comet U0541 - Data logger for 2 Voltage Inputs 0-10V and 2 External Temperature Probes
  • Max Temperature: 260 C
  • Min Temperature: -200 C (-328 FWhat's This?)
  • # Inputs/Channels: 4
  • Accuracy: ±0.2°C; ±0.2 % from reading from +100 to +260 °C
  • LCD Screen: Yes
  • Software Included: Yes

Your Price: $373.00

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Comet U0843M - IoT Wireless Temperature Datalogger for 2 External Probes, with 2 Two-State Inputs, Built-in GSM Modem
  • Max Temperature: 260 C
  • Min Temperature: -200 C (-328 FWhat's This?)
  • # Inputs/Channels: 4
  • Accuracy: ±0.2°C; ±0,2 % of the measurement value in a range of +100 to +260 °C
  • LCD Screen: Yes
  • Software Included: Yes

Your Price: $793.00

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Comet U0843Msim - IoT Wireless Temperature Datalogger for 2 External Probes, with 2 Two-State Inputs, GSM Modem, Flat Rate SIM Card
  • Type (Temperature): Other
  • Max Temperature: 260 C
  • Min Temperature: -200 C (-328 FWhat's This?)
  • Power Source: Battery
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 4

Your Price: $868.00

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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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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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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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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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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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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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