Temperature Measurement

 
Comet T6440 - Temperature, Humidity, CO2 Transmitter with RS485 Interface
  • Warranty: 3 YEARS
  • Interfaces I/O: RS-485
  • IP Rating: IP30, IP40
  • Product Weight: 0.330 LBS
  • Product Height: 170.00 MM (6.69 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $866.00

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Comet T6445 - CO2 Concentration Thermometer Hygrometer with RS485 Interface, Duct Mount
  • Enclosure Type (Temp Xmitter): Process
  • Display (Xmitters): Yes
  • Power (Transmitters): DC
  • Unique Features: Temperature measurement range: -30 to +60 °C Temperature measurement accuracy: ±0.4 °C Humidity measurement range: 0 10 100 %RH Humidity measurement accuracy: ± 2.5 % RH Dew point measurement range: -60 to +80 °C Dew point measurement accuracy: ±1.6°C at ambient temperature T<25°C and RH>30% CO2 measurement range: 0 to 2,000 ppm CO2 measurement accuracy: ±(50ppm +2% from reading) at 25°C and 1013hPa
  • Warranty: 3 YEARS
  • Interfaces I/O: RS-485

Your Price: $914.00

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Comet T6540 - Web Sensor Remote CO2 Concentration Thermometer Hygrometer with Ethernet Interface
  • Warranty: 3 YEARS
  • Interfaces I/O: LAN / Ethernet
  • IP Rating: IP30, IP40
  • Product Weight: 0.35 LBS
  • Product Height: 170 MM (6.69 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $888.00

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Comet T6541 - Web Sensor, Remote CO2 Concentration Thermometer Hygrometer with Ethernet Interface
  • Enclosure Type (Temp Xmitter): Process
  • Display (Xmitters): Yes
  • Temperature Probe Types: Other
  • Power (Transmitters): DC
  • Unique Features: Temperature measurement range: -30 to +105 °C Temperature measurement accuracy: ±0.4 °C Humidity measurement range: 5 to 100% RH Humidity measurement accuracy: ±2.5% relative humidity from 5 to 95% at 23°C Dew point measurement range: -60 to +80 °C Dew point measurement accuracy: ±1.6°C at ambient temperature T<25°C and RH>30% CO2 measurement range: 0 to 10,000 ppm CO2 measurement accuracy: ±(110ppm +5% from reading) at 25°C and 1013hPa
  • Warranty: 3 YEARS

Your Price: $1,828.00

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Comet T6545 - WebSensor, Remote CO2 Concentration Thermometer Hygrometer with Ethernet Interface, Duct Mount
  • Enclosure Type (Temp Xmitter): Pipe Mount
  • Display (Xmitters): Yes
  • Power (Transmitters): DC
  • Unique Features: Temperature measurement range: -30 to +60 °C Temperature measurement accuracy: ±0.4 °C Humidity measurement range: 0 to 100% RH Humidity measurement accuracy: ±2.5% relative humidity from 5 to 95% at 23°C Dew point measurement range: -60 to +80 °C Dew point measurement accuracy: ±1.6°C at ambient temperature T<25°C and RH>30% CO2 measurement range: 0 to 20,000 ppm CO2 measurement accuracy: ±(50ppm +2% from reading) at 25°C and 1013hPa
  • Warranty: 3 YEARS
  • Interfaces I/O: LAN / Ethernet

Your Price: $936.00

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Comet T6640 - WebSensor with PoE, Remote Temperature, Humidity, CO2 Concentration with Ethernet Interface
  • Enclosure Type (Temp Xmitter): Process
  • Display (Xmitters): Yes
  • Temperature Probe Types: Other
  • Power (Transmitters): DC
  • Unique Features: Temperature measurement range: -30 to +80 °C Temperature measurement accuracy: ±0.6 °C Humidity measurement range: 5 to 95% RH Humidity measurement accuracy: ±2.5% RH Dew point measurement range: -60 to +80 °C Dew point measurement accuracy: ±1.6°C at ambient temperature T<25°C and RH>30% CO2 measurement range: 0 to 20,000 ppm CO2 measurement accuracy: ±(50ppm +2% from reading) at 25°C and 1013hPa
  • Warranty: 3 YEARS

Your Price: $970.00

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Comet T6641 - WebSensor with PoE, Remote Temperature, Humidity, CO2 Concentration with Ethernet Interface
  • Enclosure Type (Temp Xmitter): Process
  • Display (Xmitters): Yes
  • Temperature Probe Types: Other
  • Unique Features: Temperature measurement range: -30 to +105 °C Temperature measurement accuracy: ±0.4 °C Humidity measurement range: 5 to 95% RH Humidity measurement accuracy: ±2.5% RH Dew point measurement range: -60 to +80 °C Dew point measurement accuracy: ±1.6°C at ambient temperature T<25°C and RH>30% CO2 measurement range: 0 to 10,000 ppm CO2 measurement accuracy: ±(110ppm +5% from reading) at 25°C and 1013hPa
  • Warranty: 3 YEARS
  • Interfaces I/O: LAN / Ethernet

Your Price: $1,910.00

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Comet T7613D - Web Sensor with PoE, Duct Mount Remote Thermometer Hygrometer Barometer with Ethernet Interface
  • Enclosure Type (Temp Xmitter): Pipe Mount
  • Display (Xmitters): Yes
  • Temperature Probe Types: Thermistor
  • Unique Features: Temperature measurement range: -30 to +105 °C Temperature measurement accuracy: ±0.6 °C Humidity measurement range: 0 to 100% RH Humidity measurement accuracy: ±2.5% relative humidity from 5 to 95% at 23°C Dew point measurement range: -60 to +80 °C Dew point measurement accuracy: ±1.5°C at ambient temperature T<25°C and RH>30% Atmospheric pressure measurement range: 600 to 1100 hPa Atmospheric pressure measurement accuracy: ±1.3 hPa at 23 °C from 800 to 1100 hPa
  • Warranty: 3 YEARS
  • Interfaces I/O: LAN / Ethernet

Your Price: $952.00

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Comet T8148 - CO2 Concentration and Temperature Transmitter with 4-20mA Outputs, Built-in Sensors
  • Output Types (Xmitter): 4-20 mA
  • Warranty: 3 YEARS
  • IP Rating: IP20
  • Product Weight: 0.33 LBS
  • Product Height: 106 MM (4.17 INWhat's This?)
  • Product Length: 33 MM (1.30 INWhat's This?)

Your Price: $646.00

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Comet T8248 - CO2 Concentration and Temperature Transmitter with 0-10V Outputs, Built-in Sensors
  • Warranty: 3 YEARS
  • Interfaces I/O: Other
  • IP Rating: IP20
  • Product Weight: 0.33 LBS
  • Product Height: 106 MM (4.17 INWhat's This?)
  • Product Length: 33 MM (1.30 INWhat's This?)

Your Price: $646.00

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Your Price: $307.00

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Your Price: $323.00

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Temperature Measurement

How to select the correct Temperature Measurement Sensor and related Peripherals involves an understanding of the measurement technologies and the applications. Here are a few considerations.

Temperature Sensor Selection Questions
  • Temperature range? Sensor technologies work better in particular ranges
  • Accuracy and repeatability? Impacts technology selection and cost
  • Physical installation / geometry:
    • Contact or non-contact? Probes are not always possible, so infrared and thermal imaging may be better
    • Is the process corrosive, high vibration, very high temperature such as a furnace, located in inaccessible area, etc.?
    • How will it be mounted? Wall mount; immersed in a duct, vessel or pipe; thread or flange connection, etc.
    • Is a local display needed?
    • Does it have to send a signal back to a control system or recorder and can cabling be run or would wireless be better?
    • Industry requirements? Food and pharmaceutical industries, for example, often use 3A sanitary connections and require calibration certificates for documentation. Petroleum refineries often require instruments rated for use in hazardous (flammable) areas
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