Anritsu BS Series Needle Temperature Probes

The Anritsu BS Series needle temperature probes measure internal temperature in liquids and semi-solid materials.

  • Type K and Type E thermocouple options.
  • Probe diameters from 0.9 mm to 5.0 mm, depending on the model.
  • Temperature ranges from −200°C up to 200°C, 300°C or 500°C, depending on the model.
  • Different insertion lengths, cables and connectors to suit the measurement task.

Anritsu BS Series Needle Temperature Probes

The Anritsu BS Series measures internal temperature in liquids and semi-solid materials. Choose the probe diameter, insertion length and thermocouple configuration to suit the sample and measuring instrument.

Key Features

  • Needle probes for insertion and immersion measurement.
  • Type K and Type E thermocouple options.
  • A choice of probe diameters for different measurement tasks.
  • Model-dependent temperature limits and response times.

Compare BS Series Models

The table shows model families; the complete order code also identifies the selected thermocouple, length, cable and connector.

ModelProbe diameterTemperature rangeResponse time*
BS-91 0.9 mm −200 to 300°C 0.5 s
BS-92 1.3 mm −200 to 200°C 20 s
BS-11 1.5 mm −200 to 300°C 1.5 s
BS-12 1.9 mm −200 to 200°C 20 s
BS-21 2.1 mm −200 to 500°C 2.5 s
BS-22 2.5 mm −200 to 200°C 20 s
BS-31 3.0 mm −200 to 500°C 3 s
BS-32 3.4 mm −200 to 200°C 20 s
BS-51 5.0 mm −200 to 500°C 5 s

Probe Selection Guide

Anritsu BS Series needle probe model selection and dimensions

Model Pictures and Order Codes

Each model below includes its original dimensional drawing and complete Type K and Type E example codes.

BS-21 Needle Probe

SpecificationBS-21

Anritsu BS-21 needle temperature probe dimensions
Type K order code BS-21K-010-TC1-ANP
Type E order code BS-21E-010-TC1-ANP
Temperature range −200 to 500°C
Probe diameter 2.1 mm
Response time* 2.5 s

BS-31 Needle Probe

SpecificationBS-31

Anritsu BS-31 needle temperature probe dimensions
Type K order code BS-31K-030-TC1-ANP
Type E order code BS-31E-030-TC1-ANP
Temperature range −200 to 500°C
Probe diameter 3.0 mm
Response time* 3 s

BS-91 Needle Probe

SpecificationBS-91

Anritsu BS-91 needle temperature probe dimensions
Type K order code BS-91K-010-TS1-ANP
Type E order code BS-91E-010-TS1-ANP
Temperature range −200 to 300°C
Probe diameter 0.9 mm
Response time* 0.5 s

BS-11 Needle Probe

SpecificationBS-11

Anritsu BS-11 needle temperature probe dimensions
Type K order code BS-11K-010-TS1-ANP
Type E order code BS-11E-010-TS1-ANP
Temperature range −200 to 300°C
Probe diameter 1.5 mm
Response time* 1.5 s

BS-22 Needle Probe

SpecificationBS-22

Anritsu BS-22 needle temperature probe dimensions
Type K order code BS-22K-010-TC1-ANP
Type E order code BS-22E-010-TC1-ANP
Temperature range −200 to 200°C
Probe diameter 2.5 mm
Response time* 20 s

BS-51 Needle Probe

SpecificationBS-51

Anritsu BS-51 needle temperature probe dimensions
Type K order code BS-51K-100-TC1-ANP
Type E order code BS-51E-100-TC1-ANP
Temperature range −200 to 500°C
Probe diameter 5.0 mm
Response time* 5 s

Measurement Notes

*Response times refer to 99% response in Anritsu’s boiling-water or vapour test. Actual performance depends on the sample and measurement conditions.

The six complete configurations pictured below have a specified tolerance of ±2.5°C at 100°C. Tolerance varies with temperature; this is not a constant accuracy rating across the entire range.

Temperature limits apply to the sensing section. The grip, cable and plug have separate limits. Confirm the complete assembly for the intended conditions.

How to Choose an Insertion Probe

  • Sample and access: describe the material, available insertion depth and space around the measurement point.
  • Diameter: balance the need for a small insertion hole against the handling demands. Avoid forcing a fine probe into a hard sample.
  • Insertion length: choose enough reach to position the sensing tip at the required depth without exposing the grip to unsuitable conditions.
  • Materials and cleaning: check compatibility with the liquid or sample, cleaning chemicals and required hygiene procedure.
  • Measurement stability: allow the reading to settle and keep the tip position consistent when comparing samples.
  • Instrument compatibility: match the thermocouple type and plug to the thermometer or data logger.

Related Temperature Probes and Instruments

Confirm the required input and connector before pairing a probe with an instrument.

Need Help Selecting a BS Series Probe?

Contact Seacom Process Instruments Sdn Bhd with the sample material, temperature range, required probe diameter and insertion length, cable length and instrument model. For a replacement, send the complete probe reference or a photograph of its label.

Email Seacom or contact us on WhatsApp.

Download

  BS Series Catalogue   (911.06k)


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