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Anritsu BR Series flexible low-temperature probes for measuring air, liquids and semi-solid materials in cold and controlled environments.
The Anritsu BR Series is designed for temperature measurement in low-temperature and controlled environments such as freezers, refrigerators, incubators and drying ovens.
Its long, flexible thermocouple construction allows the sensing point to be positioned inside equipment, containers or enclosed spaces while the connected temperature instrument remains outside.
BR Series probes are configurable by thermocouple length, thermocouple type, tape length, cable length and connector.
The BR Series covers temperatures from -100°C to 200°C. It can be used for measuring low-temperature air as well as liquids and semi-solid materials where the probe construction is suitable.
The flexible sensor construction makes it useful where a conventional rigid probe cannot easily reach the required measurement position.
| Specification | Details |
|---|---|
| Temperature Range | -100°C to 200°C |
| Thermocouple | Type K or Type E |
| Tolerance, -100°C to below -40°C | ±3.5°C |
| Tolerance, -40°C to 200°C | ±2.5°C |
| Response Time | Approx. 1.5 seconds |
| Standard Thermocouple Size | 0.9 × 1.4 mm |
| Thermocouple Sheath | Fluororesin / Teflon |
| Tape Thermocouple Size | Approx. 0.2 × 4 mm |
Anritsu's current BR product information specifies -100°C to 200°C, ±3.5°C below -40°C, ±2.5°C from -40°C to 200°C and a 1.5-second response time. :contentReference[oaicite:1]{index=1}
The BR probe combines a flexible fluororesin-insulated thermocouple section with an optional thin tape thermocouple section.
The tape section can be routed through narrow gaps such as refrigerator or freezer doors while helping reduce interference with door closing.
The first two digits of the BR model number identify the thermocouple length. Lengths are selected in 100 mm increments.
| Code | Thermocouple Length |
|---|---|
| 01 | 100 mm |
| 02 | 200 mm |
| 03 | 300 mm |
| ... | 100 mm increments |
| 10 | 1000 mm |
| ... | Longer configurations available |
| 90 | 9000 mm |
The BR Series can be supplied with either Type K or Type E thermocouple elements.
| K | Type K — Chromel / Alumel |
|---|---|
| E | Type E — Chromel / Constantan |
The thermocouple type should match the input type of the thermometer or temperature indicator used with the probe.
The digit following the thermocouple type identifies the optional tape section.
| Code | Tape Length |
|---|---|
| 0 | Without tape section |
| 1 | 100 mm |
| 2 | 200 mm |
| 3 | 300 mm |
| 4 | 400 mm |
| 5 | 500 mm |
The standard BR Series configuration uses TS thermocouple cable.
| TS | Standard thermocouple cable |
|---|
| Code | Cable Length |
|---|---|
| 1 | 1 m |
| 1.5 | 1.5 m |
| 2 | 2 m |
| 2.5 | 2.5 m |
| Code | Connector |
|---|---|
| ANP | Miniature thermocouple plug |
| ASP | Anritsu standard plug |
| W | Without plug / wire termination |
A typical complete model number is: BR-01K-1-TS1-ANP.
The model number identifies the thermocouple length, thermocouple type, tape length, cable and connector.
The following table preserves the full grouped Type K model range currently listed for the BR Series on SL Measurement. Equivalent Type E configurations are also available according to the selected probe specification.
| Thermocouple Length Group | Tape 0 | Tape 1 | Tape 2 | Tape 3 | Tape 4 | Tape 5 |
|---|---|---|---|---|---|---|
| BR-01～05K | BR-01～05K-0 | BR-01～05K-1 | BR-01～05K-2 | BR-01～05K-3 | BR-01～05K-4 | BR-01～05K-5 |
| BR-06～10K | BR-06～10K-0 | BR-06～10K-1 | BR-06～10K-2 | BR-06～10K-3 | BR-06～10K-4 | BR-06～10K-5 |
| BR-11～15K | BR-11～15K-0 | BR-11～15K-1 | BR-11～15K-2 | BR-11～15K-3 | BR-11～15K-4 | BR-11～15K-5 |
| BR-16～20K | BR-16～20K-0 | BR-16～20K-1 | BR-16～20K-2 | BR-16～20K-3 | BR-16～20K-4 | BR-16～20K-5 |
| BR-21～25K | BR-21～25K-0 | BR-21～25K-1 | BR-21～25K-2 | BR-21～25K-3 | BR-21～25K-4 | BR-21～25K-5 |
| BR-26～30K | BR-26～30K-0 | BR-26～30K-1 | BR-26～30K-2 | BR-26～30K-3 | BR-26～30K-4 | BR-26～30K-5 |
| BR-31～35K | BR-31～35K-0 | BR-31～35K-1 | BR-31～35K-2 | BR-31～35K-3 | BR-31～35K-4 | BR-31～35K-5 |
| BR-36～40K | BR-36～40K-0 | BR-36～40K-1 | BR-36～40K-2 | BR-36～40K-3 | BR-36～40K-4 | BR-36～40K-5 |
| BR-41～45K | BR-41～45K-0 | BR-41～45K-1 | BR-41～45K-2 | BR-41～45K-3 | BR-41～45K-4 | BR-41～45K-5 |
| BR-46～50K | BR-46～50K-0 | BR-46～50K-1 | BR-46～50K-2 | BR-46～50K-3 | BR-46～50K-4 | BR-46～50K-5 |
| BR-51～55K | BR-51～55K-0 | BR-51～55K-1 | BR-51～55K-2 | BR-51～55K-3 | BR-51～55K-4 | BR-51～55K-5 |
| BR-56～60K | BR-56～60K-0 | BR-56～60K-1 | BR-56～60K-2 | BR-56～60K-3 | BR-56～60K-4 | BR-56～60K-5 |
| BR-61～65K | BR-61～65K-0 | BR-61～65K-1 | BR-61～65K-2 | BR-61～65K-3 | BR-61～65K-4 | BR-61～65K-5 |
| BR-66～70K | BR-66～70K-0 | BR-66～70K-1 | BR-66～70K-2 | BR-66～70K-3 | BR-66～70K-4 | BR-66～70K-5 |
| BR-71～75K | BR-71～75K-0 | BR-71～75K-1 | BR-71～75K-2 | BR-71～75K-3 | BR-71～75K-4 | BR-71～75K-5 |
| BR-76～80K | BR-76～80K-0 | BR-76～80K-1 | BR-76～80K-2 | BR-76～80K-3 | BR-76～80K-4 | BR-76～80K-5 |
| BR-81～85K | BR-81～85K-0 | BR-81～85K-1 | BR-81～85K-2 | BR-81～85K-3 | BR-81～85K-4 | BR-81～85K-5 |
| BR-86～90K | BR-86～90K-0 | BR-86～90K-1 | BR-86～90K-2 | BR-86～90K-3 | BR-86～90K-4 | BR-86～90K-5 |
| BR-91～95K | BR-91～95K-0 | BR-91～95K-1 | BR-91～95K-2 | BR-91～95K-3 | BR-91～95K-4 | BR-91～95K-5 |
| BR-96～99K | BR-96～99K-0 | BR-96～99K-1 | BR-96～99K-2 | BR-96～99K-3 | BR-96～99K-4 | BR-96～99K-5 |
The flexible BR construction allows the sensing section to be positioned inside a refrigerator or freezer while the temperature indicator remains outside.
Where the optional thin tape section is used, it can pass through a narrow gap with less interference than a conventional round probe cable.
The measurement position should be selected according to the purpose of the test. Air temperature near a door or cooling outlet may differ from the temperature at the centre of the chamber.
The BR Series can also be positioned in suitable liquids or semi-solid materials for temperature measurement.
The sensing section should be immersed sufficiently to represent the target temperature while keeping the connector and other components within their allowable temperature limits.
For example: BR-01K-1-TS1-ANP
| Model Section | Meaning |
|---|---|
| 01 | 100 mm thermocouple length |
| K | Type K thermocouple |
| 1 | 100 mm tape section |
| TS1 | TS cable, 1 m |
| ANP | Miniature thermocouple plug |
Confirm the following before selecting the complete model:
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