Temperature Measurement

 
Comet T4111 - Temperature Transmitter with 4-20mA Output
  • Output Types (Xmitter): 4-20 mA
  • Warranty: 3 YEARS
  • IP Rating: IP65
  • Product Weight: 0.32 LBS
  • Product Height: 117 MM (4.61 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $216.00

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Comet T4211 - Temperature Transmitter with 0-10V Output
  • Warranty: 3 YEARS
  • IP Rating: IP65
  • Product Weight: 0.32 LBS
  • Product Height: 117 MM (4.61 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: $216.00

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Comet T4311 - Temperature Transmitter with RS232 Interface
  • Warranty: 3 YEARS
  • Interfaces I/O: RS-232
  • IP Rating: IP65
  • Product Weight: 0.31 LBS
  • Product Height: 117 MM (4.61 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $228.00

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Comet T4411 - Temperature Transmitter with RS485 Interface
  • Warranty: 3 YEARS
  • Interfaces I/O: RS-485
  • IP Rating: IP65
  • Product Weight: 0.32 LBS
  • Product Height: 117 MM (4.61 INWhat's This?)
  • Product Length: 39.5 MM (1.56 INWhat's This?)

Your Price: $342.00

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Comet T4511 - Web Sensor, Remote Thermometer with Ethernet Interface
  • Warranty: 3 YEARS
  • IP Rating: IP30
  • Product Weight: 0.32 LBS
  • Product Height: 94 MM (3.70 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: $406.00

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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: $1,488.00

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

Your Price: $1,488.00

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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: $1,472.00

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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: $1,550.00

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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: $722.00

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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: $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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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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