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Measure the internal temperature of liquids and semi-solid materials with Anritsu BS Series temperature probes. Choose a fine sleeve-type probe or a grip-type assembly according to the measurement depth, access and handling requirements.
Check temperatures within a liquid or semi-solid sample using an Anritsu BS Series internal temperature probe. The range includes fine sleeve-type probes for restricted access and grip-type probes for measurements where a handle is preferred.
Select the diameter and insertion length around the sample, then confirm the operating temperature, coating and instrument connection. A suitable probe should reach the required measurement point without unnecessary force or bending.
Anritsu BS Series internal temperature probes.
All models below are available with Type E or Type K thermocouples. The diameter shown includes the coating where applicable.
| Model | Construction | Coating | Diameter | Temperature range | Response |
|---|---|---|---|---|---|
| BS-91 | Sleeve | Uncoated | 0.9 mm | -200 to 300°C | 0.5 s |
| BS-92 | Sleeve | Fluororesin | 1.3 mm | -200 to 200°C | 20 s |
| BS-11 | Sleeve | Uncoated | 1.5 mm | -200 to 300°C | 1.5 s |
| BS-12 | Sleeve | Fluororesin | 1.9 mm | -200 to 200°C | 20 s |
| BS-21 | Grip | Uncoated | 2.1 mm | -200 to 500°C | 2.5 s |
| BS-22 | Grip | Fluororesin | 2.5 mm | -200 to 200°C | 20 s |
| BS-31 | Grip | Uncoated | 3.0 mm | -200 to 500°C | 3 s |
| BS-32 | Grip | Fluororesin | 3.4 mm | -200 to 200°C | 20 s |
| BS-51 | Grip | Uncoated | 5.0 mm | -200 to 500°C | 5 s |
Temperature limits: The ranges above apply to the sensing portion. Keep the grip, sleeve, cable and plug within their own permitted operating conditions.
Select diameter, coating, thermocouple, probe length, cable and connector.
The following configurations retain the full Type E and Type K references previously listed on this page.
| Probe | Type E model | Type K model | Probe length |
|---|---|---|---|
BS-21  |
BS-21E-010-TC1-ANP | BS-21K-010-TC1-ANP | 100 mm |
BS-31  |
BS-31E-030-TC1-ANP | BS-31K-030-TC1-ANP | 300 mm |
BS-91  |
BS-91E-010-TS1-ANP | BS-91K-010-TS1-ANP | 100 mm |
BS-11  |
BS-11E-010-TS1-ANP | BS-11K-010-TS1-ANP | 100 mm |
BS-22  |
BS-22E-010-TC1-ANP | BS-22K-010-TC1-ANP | 100 mm |
BS-51  |
BS-51E-100-TC1-ANP | BS-51K-100-TC1-ANP | 1000 mm |
| Model family | Listed lengths |
|---|---|
| BS-91 / BS-92 | 30, 50, 80 and 100 mm |
| BS-11 / BS-12 | 30, 50, 80, 100 and 150 mm |
| BS-21 / BS-22 | 50, 100, 150 and 200 mm |
| BS-31 / BS-32 | 100, 150, 200, 300 and 500 mm |
| BS-51 | 500 and 1000 mm |
Confirm the selected length with the required coating and complete ordering code. A fluororesin-coated BS-51 is not listed as a manufacturable option.
| Test temperature | BS-21 / BS-31 / BS-51 | BS-91 / BS-11 | BS-22 / BS-32 / BS-92 / BS-12 |
|---|---|---|---|
| 0°C | ±2.5°C | ±2.5°C | ±2.5°C |
| 100°C | ±2.5°C | ±2.5°C | ±2.5°C |
| 200°C | ±2.5°C | ±2.5°C | ±2.5°C |
| 300°C | ±2.5°C | ±2.5°C | Outside range |
| 400°C | ±3.0°C | Outside range | Outside range |
| 500°C | ±3.8°C | Outside range | Outside range |
The listed tolerances relate to internal measurements with sufficient heat capacity. For sub-zero work, specify the actual measurement temperature and required uncertainty so the applicable tolerance can be confirmed.
Response times represent 99% response in boiling water or vapour. Sample viscosity, insertion depth and contact conditions can change the response in use.
| Item | Specification |
|---|---|
| Probe tube | SUS304 stainless steel; fluororesin coating on the designated coated models. |
| Grip-type handle | Nylon resin. |
| Sleeve-type fitting | SUS316 stainless steel. |
| Manufacturer durability classification | Grip types: B, more than one year. Sleeve types: C, more than six months. These classifications are not a service-life guarantee. |
| Repairability | Listed by Anritsu as non-repairable. |
Restricted access: Check whether the smaller sleeve-type diameter can reach the measurement point. Include the sample consistency and any insertion resistance in your enquiry.
Routine immersion measurements: Select a length that reaches the required depth while keeping the handle and electrical connection clear of the sample.
Coated probes: Confirm chemical compatibility and allow for the larger diameter, lower maximum temperature and slower response.
Instrument connection: Match Type E or Type K to the thermometer or logger input. ANP identifies the miniature plug used in the complete references above; confirm the connector on your existing instrument.
Contact us for pricing and availability. Please include:
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Measure the internal temperature of liquids and semi-solid materials with Anritsu BS Series temperature probes. Choose a fine sleeve-type probe or a grip-type assembly according to the measurement depth, access and handling requirements.
Anritsu SF Series extra-fine flexible temperature probes for internal measurement in liquids, materials and confined locations.
Anritsu AX Series surface temperature probes with a flexible contact-support head for stable measurement on stationary surfaces.
Anritsu HHT Series high-durability surface temperature probes for direct contact measurement of hot metal and industrial surfaces.
Anritsu UX Series flexible-head temperature probes for measuring moving and rotating surfaces with stable contact during measurement.
Anritsu VA Series clip-type surface temperature probes for measuring the temperature of small heat pipes and cylindrical surfaces.
Anritsu SX Series high-accuracy surface temperature probes with a flexible contact-support head for stable measurement on stationary surfaces.
Anritsu BC Series needle probes for measuring the internal temperature of food, liquids and semi-solid materials.
Measure stationary surface temperatures with Anritsu A Series contact probes. Select the head size, guard and shaft arrangement to suit the measurement point and operating temperature.
Need help maintaining surface contact as the holding angle changes? Compare the Anritsu AX Series flexible-head surface probe.
Measure temperature at attached sensing points with Anritsu ST and STN flat leaf temperature probes. Their flexible tape construction suits surface attachment and measurement locations where a conventional rigid probe is difficult to position.
Anritsu ST and STN Series flexible flat-leaf temperature probes for surface attachment, narrow spaces and temperature distribution measurement.
Anritsu MW series probes are ideal for measuring the temperatures at the surface of moving wires. Specific components may be combined to customize products for the needs of a customer's specific application.
Measure temperature inside semi-solid materials with Anritsu BT Series needle temperature probes. Choose the needle diameter, length and tip shape to suit the measurement depth and material being tested.
Measure moving and rotating surface temperatures with Anritsu U and UX Series contact probes. Select the head, guard or wheel arrangement to suit the surface profile, temperature and operating conditions.
The Anritsu WE Series measures stationary surface temperatures using a self-supporting probe placed on the measurement target. Select the probe configuration to suit the surface, temperature and connected thermometer.
Anritsu CR Series temperature probes for checking the tip temperature of soldering irons.
Measure small stationary surfaces with Anritsu CS Series micro surface temperature probes. Choose the sensing head, shaft arrangement and connector to suit the measurement point and your thermometer.
