Anritsu BT Series Heavy-Duty Needle Temperature Probes

The Anritsu BT Series measures internal temperature by inserting a needle tip into semi-solid materials. Choose a fixed-needle or replaceable-needle configuration to suit your application.

  • Type K and Type E thermocouple options.
  • Published configurations rated to 210°C, 300°C or 500°C.
  • Separate BTN spare needles for compatible replaceable-needle models.
  • Select the needle design, cable and connector for your measurement setup.

Anritsu BT Series Heavy-Duty Needle Temperature Probes

The Anritsu BT Series measures internal temperature by inserting a needle tip into semi-solid materials. The range includes fixed-needle and replaceable-needle configurations, with separate BTN spare needles available for compatible models.

  • Needle probes for internal temperature measurement.
  • Type K and Type E thermocouple options.
  • Published configurations rated to 210°C, 300°C or 500°C.
  • Replaceable-needle options for applications where the sensing tip needs replacement.

Compare Published BT Configurations

Type K ordering exampleTemperature rangeResponse time
BT-11K-TC1-ANP −200 to 210°C 0.5 seconds
BT-22K-TC1-ANP −200 to 300°C 1.5 seconds
BT-31K-TC1-ANP −200 to 300°C 1.5 seconds
BT-72K-TC1-ANP −200 to 300°C 1.5 seconds
BT-82K-TC1-ANP −200 to 500°C 3 seconds
BT-92K-TC1-ANP −200 to 500°C 3 seconds

Corresponding Type E examples are available. Published tolerance for these examples is ±2.5°C at 100°C; this is not a full-range accuracy specification. Response times refer to manufacturer test conditions and will vary with the material and insertion conditions.

The sensing-tip temperature range does not define the allowable temperature of the grip, cable or connector. Confirm the complete configuration before ordering.

Probe Selection Chart

Anritsu BT Series needle probe selection chart

BT Probe Designs

BT-31 Models

Type K: BT-31K-TC1-ANP
Type E: BT-31E-TC1-ANP

Anritsu BT-31 needle temperature probe

BT-92 Models

Type K: BT-92K-TC1-ANP
Type E: BT-92E-TC1-ANP

Anritsu BT-92 needle temperature probe

BT-72 Models

Type K: BT-72K-TC1-ANP
Type E: BT-72E-TC1-ANP

Anritsu BT-72 needle temperature probe

BT-22 Models

Type K: BT-22K-TC1-ANP
Type E: BT-22E-TC1-ANP

Anritsu BT-22 needle temperature probe

BT-82 Models

Type K: BT-82K-TC1-ANP
Type E: BT-82E-TC1-ANP

Anritsu BT-82 needle temperature probe

BT-11 Models

Type K: BT-11K-TC1-ANP
Type E: BT-11E-TC1-ANP

Anritsu BT-11 needle temperature probe

Fixed-Needle Model References

Model referenceModel reference
BT-11K BT-12K
BT-21K BT-22K
BT-91K BT-92K

Replaceable-Needle Models and BTN Spare Needles

The existing references are retained below. The earlier listing describes the replaceable-needle assemblies as a grip with five needles, and spare needles as sets of five. Confirm the current supply contents and matching thermocouple type with your quotation.

Probe referenceSpare needle reference
BT-31K BTN-31K
BT-32K BTN-32K
BT-41K BTN-41K
BT-42K BTN-42K
BT-51K BTN-51K
BT-52K BTN-52K
BT-61K BTN-61K
BT-62K BTN-62K
BT-71K BTN-71K
BT-72K BTN-72K
BT-81K BTN-81K
BT-82K BTN-82K

BTN references identify spare needles, not complete probes. Match the needle to the existing assembly and thermocouple type rather than selecting by temperature range alone. Abbreviated BT references require the appropriate cable and connector suffixes.

Selecting Your BT Probe

  • Material: Describe the sample and its firmness so the needle design can be assessed.
  • Insertion depth: State the depth of the required measurement point and any restrictions on probe diameter.
  • Temperature: Provide the normal, minimum and maximum temperatures.
  • Replacement needs: Specify whether you need a complete probe, a replaceable-needle assembly or spare BTN needles.
  • Instrument: Provide your thermometer or logger model to check the input type and connector.

Related Anritsu Instruments and Probes

Check probe and instrument compatibility before ordering.

Need Help Selecting an Anritsu BT Probe?

Send Seacom your sample details, temperature range, insertion depth and instrument model. For replacement needles, include the existing probe code and a photograph of the assembly.

Download

  BT Series Catalogue   (918.97k)


Specific References

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Anritsu SH Series Small-Head Surface Temperature Probes

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Anritsu AX Series Surface Temperature Probes with Flexible Head

The Anritsu AX Series measures stationary surface temperature using a flexible head with contact support. This helps the sensing element maintain contact with the target.

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Anritsu BC Series Needle Temperature Probes for Food

The Anritsu BC Series measures internal temperature in food, liquids and semi-solid materials. Its needle design reaches the measurement point inside the sample.

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