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Thermocouple Temperature Transmitters

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About Thermocouple Temperature Transmitters

Thermocouple temperature transmitters convert the small millivolt (mV) output of a thermocouple to a current signal (typically 4-20 mADC) that is immune to noise and voltage drops over long distances. They are used with thermocouple temperature probes, bimetallic devices that are suitable for various temperature sensing applications. Isolated thermocouple temperature transmitters eliminate ground loop problems by isolating the transmitter input from the transmitter output. Output options include analog current, analog voltage, or relay/switch output. 

Metal type is an important consideration when selecting thermocouple temperature transmitters. Base metal thermocouples can measure different temperature ranges, depending on the sensor material. Each type or designation represents a specific metal type and temperature range. Type E (chromel/constantan) has a typical temperature range of -270° C to 1000° C. Type J (iron/constantan) has a temperature range of -210° C to 1200° C. Type K (chromel/alumel) has a temperature range of -270° C to 1372° C. Type N (nicrosil/nisil) has a temperature range of -270° C to 1300° C. Type T (copper/constantan) has a temperature range of -270° to 400° C. For noble and refractory metals, choices include type B (platinum 30%/rhodium) with a temperature range of 0° C to 1820° C; Type S (platinum 10%/ rhodium) with a temperature range of -50° C to 1768° C; Type R (platinum 13%/rhodium) with a temperature range of -50° C to 1768° C; and Type W (tungsten/rhenium) with a temperature range of 0° C to 2300° C.

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Products & Services Related to Thermocouple Temperature Transmitters

RTD Temperature Transmitters
Resistance temperature detector (RTD) temperature transmitters convert RTD resistance measurements to current signals, eliminating the problems inherent in RTD signal transmission via lead resistance.

Engineering Web: Thermocouple Temperature Transmitters

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Part Numbers for Thermocouple Temperature Transmitters

Part # Distributor Manufacturer Product Category Description
SI-052 Newark LABFACILITY All Supplier Direct Ship TEMP TRANSMITTER, TYPE J, 300DEG; Channels, No. of:1; Mounting Type:Housed in a Probe Terminal Head; Approval Bodies:CE; Current Range:4-20mA; Input Type:Thermocouple; Output Type:2 Wire Loop; Standard:IEC 584; Temperature, Ambient RoHS Compliant: Yes
SI-062 Newark LABFACILITY All Supplier Direct Ship TEMP TRANSMITTER, TYPE J, 300DEG; Approval Bodies:CE; Current range:4-20mA; Height:23mm; Input type:Thermocouple; Output type:2 Wire loop; Standard:IEC 584; Temperature, ambient Ta:300?C; Thermocouple type:J; Voltage, supply DC RoHS Compliant: Yes
SI-064 Newark LABFACILITY All Supplier Direct Ship TEMP TRANSMITTER, TYPE K, 1100DEG; Approval Bodies:CE; Current range:4-20mA; Height:23mm; Input type:Thermocouple; Output type:2 Wire loop; Standard:IEC 584; Temperature, ambient Ta:1100?C; Thermocouple type:K; Voltage, supply DC RoHS Compliant: Yes
SI-053 Newark LABFACILITY All Supplier Direct Ship TEMP TRANSMITTER, TYPE K, 200DEG; Channels, No. of:1; Mounting Type:Housed in a Probe Terminal Head; Approval Bodies:CE; Current Range:4-20mA; Input Type:Thermocouple; Output Type:2 Wire Loop; Standard:IEC 584; Temperature, Ambient RoHS Compliant: Yes
SI-054 Newark LABFACILITY All Supplier Direct Ship TEMP TRANSMITTER, TYPE K, 1100DEG; Channels, No. of:1; Mounting Type:Housed in a Probe Terminal Head; Approval Bodies:CE; Current Range:4-20mA; Input Type:Thermocouple; Output Type:2 Wire Loop; Standard:IEC 584; Temperature, Ambient RoHS Compliant: Yes

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