Temperature Probes

Electromagnetic radiation immune, high voltage, RF, magnetic field compatible fibre optic temperature probes.

Switchgear, Dry Type Transformer, E-Mobility

Medium voltage fiber optic temperature probes can be installed on switchgear contacts, bus bars, cast resin transformers, motors, and generator windings to provide reliable 24/7 thermal monitoring with noise-free performance.

 
Model
Measurement Range
Measurement Accuracy
Maximum Rating
Jacket
Bend Radius
PRB-110
2.3mm Nylon, 1000µm POF
-40°C to +120°C
±1.0°C
38 kV, 3 phase
Nylon
15mm
PRB-910
2.3mm Nylon/FEP, 1000µm POF/GOF
-40°C to +200°C
±1.0°C
38 kV, 3 phase
FEP (tip to 1m), Nylon (rest of cable)
8mm, 15mm

Oil Filled Transformer

OSENSA’s PRB-230 fiber optic temperature probes are specifically designed for oil-filled transformer applications where long life and accuracy are paramount. 

 
Model
Measurement Range
Measurement Accuracy
Bend Radius
Immersion Response Time Constant
Tip Diameter
PRB-230
3.0mm PTFE, 200µm GOF
-40°C to +200°C
±1.0°C
50mm
2.0s
2.0mm

Motors & Generators

OSENSA's Motors & Generators temperature probes are designed to be installed into large motor and power generator equipment to provide real-time monitoring and thermal protection of critical stator windings and bearing hot spots.

 
Model
Measurement Range
Measurement Accuracy
Maximum Rating
Jacket
Bend Radius
Tip Diameter
PRB-GB3
2.3mm FEP, 1000µm GOF
-40°C to 200°C
± 1.0°C
38 kV, 3 phase
FEP
8mm
-
PRB-GB4
2.3mm FEP, 1000µm GOF
-40°C to 200°C
± 1.0°C
38 kV, 3 phase
FEP
8mm
2.3mm
 
Model
Measurement Range
Measurement Accuracy
Maximum Rating
Jacket
Bend Radius
PRB-PF1
2.3mm Nylon, 1000µm POF
-40°C to +120°C
±1.0°C
38 kV, 3 phase
Nylon
15mm

Microwave, Induction Heating

OSENSA’s microwave and induction heating temperature probes are perfectly suited for induction heating applications due to their natural immunity to intense electromagnetic energy and radiation, high reliability, and fast response time.

 
Model
Measurement Range
Bend Radius
Immersion Response Time Constant
Tip Diameter
Fibre Core Diameter
PRB-G20
0.45mm Polyimide, 200µm GOF
-40 to +250°C
40mm
200ms
450µm
200µm
PRB-G40
0.75mm Polyimide, 400µm GOF
-40 to +250°C
60mm
250ms
650µm
400µm
 
Model
Measurement Range
Measurement Accuracy
Immersion Response Time Constant
Stability
Max Withstand Temp
PRB-1000
5mm Alumina Ceramic, 1000µm GOF
0°C to 750°C
± 0.5°C (350°C to 750°C)
30s
± 0.1°C
850°C

Laser Ablation

OSENSA's laser ablation temperature probes are perfectly suited for laser ablation applications due to their small size, immunity to electromagnetic interference, high accuracy.

 
Model
Measurement Range
Measurement Accuracy
Immersion Response Time Constant
Stability
Peak To Peak Noise 1s Averaging
PRB-221
0.23mm ETFE, 200µm GOF
-40°C to 80°C
± 0.15°C
180ms
± 0.02°C
± 0.02°C

MRI

OSENSA’s MRI fiber optic temperature probes are constructed from non-metallic materials making them ideally suited for monitoring patient temperature and ensuring the specific absorption rate of tissue does not exceed damaging levels.

 
Model
Measurement Range
Measurement Accuracy
Immersion Response Time Constant
Stability
Peak To Peak Noise 1s Averaging
PRB-100
1.5mm Nylon, 1000µm POF
-40°C to 100°C
± 0.10°C
1.5s
± 0.03°C
± 0.02°C
PRB-400
0.75mm Polyimide, 400µm GOF
-40°C to 100°C
± 0.10°C
0.3 s
± 0.03°C
± 0.02°C
 
Model
Measurement Range
Measurement Accuracy
Immersion Response Time Constant
Tip Diameter
Stability
Peak To Peak Noise 1s Averaging
PRB-G20-MRI
0.45mm Polyimide, 200µm GOF
-40°C to 100°C
± 0.10°C
0.25s
-
± 0.02°C
± 0.02°C
PRB-G40-MRI
0.45mm Polyimide, 200µm GOF
-40°C to 120°C
± 0.10°C
0.3s
750μm
± 0.02°C
± 0.02°C
 
Model
Measurement Range
Measurement Accuracy
Immersion Response Time Constant
Tip Diameter
Stability
Peak To Peak Noise 1s Averaging
PRB-500
1.0mm Nylon, 500µm POF
-40°C to 100°C
± 0.10°C
0.6 s
1000 µm
± 0.03°C (24hr)
-
PRB-420
0.7mm ETFE, 400µm GOF
-40°C to 150°C
± 0.15°C
0.25 s
-
± 0.02°C
± 0.02°C
 
Model
Measurement Range
Measurement Accuracy
Immersion Response Time Constant
Tip Diameter
Stability
Peak To Peak Noise 1s Averaging
PRB-220
MRI & Catheter Temperature Sensing
-40°C to 100°C
± 0.10°C
0.25s
260µm
± 0.02°C
± 0.02°C

MRI, HIFU

OSENSA's MRI and HIFU fiber optic temperature probes provides precise and continuous feedback, ensuring these procedures are performed safely and effectively by providing real-time temperature monitoring.

 
Model
PRB-240-CRYO
0.23mm ETFE, 200µm GOF
PRB-240-MRI
0.23mm ETFE, 200µm GOF
 
Model
PRB-242-CRYO
0.50mm ETFE, 200µm GOF
PRB-242-MRI
0.50mm ETFE, 200µm GOF

 
Model
PRB-140
0.50mm ETFE, 100µm GOF

Semiconductor

Custom OEM fiber optic temperature probes for semiconductor etch and deposition applications.

 
Model
PRB-OEM
Cost-Effective Custom OEM Fiber Optic Temperature Probes