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Comet Dataloggers for Environmental Variables

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U6841M U6841M

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Comet U6841M - IoT Wireless Datalogger for 3 Current Inputs 0-20mA and 1 Two-state input, with Built-in GSM modem
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Accuracy: Accuracy ±20 µA
  • LCD Screen: Yes
  • Software Included: Yes
  • Warranty: 3 YEARS

Your Price: $793.00

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U7844 U7844

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Comet U7844 - Four Channel Data Logger with Pulse and Two-State Inputs
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Power Source: Battery
  • # Inputs/Channels: 4
  • SAMPLE RATE/Intervals: adjustable from 1s to 24h
  • LCD Screen: Yes

Your Price: $373.00

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U7844M U7844M

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Comet U7844M - IoT Wireless Four Channel Datalogger with Pulse and Two-State Inputs, with Built-in GSM Modem
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Power Source: Battery
  • # Inputs/Channels: 4
  • LCD Screen: Yes
  • Software Included: Yes

Your Price: $793.00

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U8410 U8410

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Comet U8410 - CO2 Data Logger with Built-in Sensors
  • Max Temperature: 60 C
  • Min Temperature: -20 C (-4 FWhat's This?)
  • Power Source: Battery
  • SAMPLE RATE/Intervals: adjustable from 1s to 24h
  • Accuracy: ±(50ppm +3% from reading) at 25°C and 1013hPa
  • LCD Screen: Yes

Your Price: $646.00

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U8410M U8410M

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Comet U8410M - IoT Wireless CO2 Datalogger with Built-in Sensor, GSM Modem
  • Unique Features: CO2 Measuring range: 0 to 5000 ppm CO2 Accuracy: ±(50ppm +3% from reading) at 25°C and 1013hPa CO2 Resolution: 1 ppm
  • Warranty: 3 YEARS
  • Interfaces I/O: USB-C
  • IP Rating: IP20
  • Product Weight: 0.60 LBS
  • Product Height: 93 MM (3.66 INWhat's This?)

Your Price: $1,113.00

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U8410Msim U8410Msim

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Comet U8410Msim - IoT Wireless CO2 Datalogger with Built-in Sensor, GSM Modem, Flat Rate SIM Card
  • Unique Features: CO2 Measuring range: 0 to 5000 ppm CO2 Accuracy: ±(50ppm +3% from reading) at 25°C and 1013hPa CO2 Resolution: 1 ppm
  • Warranty: 3 YEARS
  • Interfaces I/O: USB-C
  • IP Rating: IP20
  • Product Weight: 0.55 LBS
  • Product Height: 93 MM (3.66 INWhat's This?)

Your Price: $1,087.00

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W0710 W0710

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Comet W0710 - WiFi Temperature Sensor with Integrated Probe
  • Type (Temperature): Other
  • Max Temperature: 60 C
  • Min Temperature: -30 C (-22 FWhat's This?)
  • Power Source: DC Line, USB Powered
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 1

Your Price: $499.00

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W0711 W0711

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Comet W0711 - WiFi Temperature Sensor for External Pt1000 Probe
  • Type (Temperature): Other
  • Max Temperature: 260 C
  • Min Temperature: -90 C (-130 FWhat's This?)
  • Power Source: USB Powered
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 1

Your Price: $468.00

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W0741 W0741

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Comet W0741 - WiFi Temperature Sensor for 4 External Pt1000 Probes (Not Included)
  • Type (Temperature): Other
  • Max Temperature: 260 C
  • Min Temperature: -90 C (-130 FWhat's This?)
  • Power Source: USB Powered
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 4

Your Price: $518.00

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W3710 W3710

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Comet W3710 - WiFi Temperature, Humidity Sensor with Integrated Probe
  • Max Temperature: 60 C
  • Min Temperature: -30 C (-22 FWhat's This?)
  • Power Source: USB Powered
  • Input Source (Probe): External Probe
  • SAMPLE RATE/Intervals: 1 second
  • Accuracy: Temperature accuracy: ±0.4 °C Humidity accuracy: ±1.8 % RH from 0 to 90 % at 23 °C Dew point accuracy: ±1.5 °C at ambient temperature T < 25 °C and RH > 30 %

Your Price: $588.00

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W3711 W3711

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Comet W3711 - WiFi Temperature and Humidity Sensor for External Probe
  • Type (Temperature): Other
  • Max Temperature: 60 C
  • Min Temperature: -30 C (-22 FWhat's This?)
  • Power Source: USB Powered
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 1

Your Price: $430.00

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W3721 W3721

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Comet W3721 - WiFi Temperature and Relative Humidity Sensor for 2 External Probes
  • Type (Temperature): Other
  • Max Temperature: 60 C
  • Min Temperature: -30 C (-22 FWhat's This?)
  • Power Source: USB Powered
  • Input Source (Probe): External Probe
  • # Inputs/Channels: 2

Your Price: $483.00

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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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