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Temperature Measurement

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T5141 T5141

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Comet T5141 - CO2 Concentration Transmitter with 4-20mA Output, External Carbon Dioxide Probe, Cable 1m
  • Output Types (Xmitter): 4-20 mA
  • Warranty: 3 YEARS
  • IP Rating: IP65
  • Product Weight: 0.55 LBS
  • Product Height: 94 MM (3.70 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $1,234.00

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T5241 T5241

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Comet T5241 - CO2 Concentration Transmitter with 0-10V Output, External Carbon Dioxide Probe, Cable 1m

Your Price: $1,234.00

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T5341 T5341

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Comet T5341 - CO2 Concentration Transmitter with RS232 Interface, External Carbon Dioxide Probe, Cable 1m
  • Warranty: 3 YEARS
  • Interfaces I/O: RS-232
  • IP Rating: IP65
  • Product Weight: 0.55 LBS
  • Product Height: 94 MM (3.70 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $1,218.00

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T5441 T5441

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Comet T5441 - CO2 Concentration Transmitter with RS485 Interface, External Carbon Dioxide Probe, Cable 1m
  • Warranty: 3 YEARS
  • Interfaces I/O: RS-485
  • IP Rating: IP65
  • Product Weight: 0.55 LBS
  • Product Height: 94 MM (3.70 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $1,281.00

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T6340 T6340

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Comet T6340 - Temperature, Humidity, CO2 Transmitter with RS232 Interface
  • Warranty: 3 YEARS
  • IP Rating: IP30, IP40
  • Product Weight: 0.4 LBS
  • Product Height: 170 MM (6.69 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)
  • Product Width: 88.5 MM (3.48 INWhat's This?)

Your Price: $599.00

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T6440 T6440

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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: $720.00

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T6445 T6445

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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: $791.00

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T6540 T6540

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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: $735.00

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T6541 T6541

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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: $1,512.00

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T6545 T6545

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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: $812.00

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T6640 T6640

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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: $844.00

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T6641 T6641

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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: $1,656.00

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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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