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Our FBG interrogators make structural health and condition monitoring easy to implement

Get higher accuracy, speed and reliability for less cost.

Product specifications

The unique advantages of our FBG interrogators

Product specifications

Sentea interrogator
Number of fibers
1 fiber
4 fibers
8 fibers
Max. number of sensors per fiber (1)
Max. sampling frequency (2)
24 kHz
Wavelength range
1530 - 1570 nm
1525 - 1575 nm
Wavelength sensitivity (3) / Wavelength accuracy (4)
< 0.5 pm / < 10 pm
Data interface
Ethernet (TCP/UDP/MQTT) – Modbus TCP
Software interface
PeakViewer™ visualization app – API for Python
Dimensions / Weight
165 x 135 x 65 mm / 1.2 kg
Operating conditions (non-condensing)
0 to +40 °C
-20 to +60 °C
List price (5) / lead times (6)

Starting at 2,750 EUR / 4 weeks

(1) Minimum peak spacing of 1.6nm up to 2kHz or 3nm above 2kHz required in operation | (2) Valid for 1 fiber connected. For n fibers connected, this value has to be divided by 2n | (3) Defined as standard deviation over 10 minutes | (4) Over full temperature range | (5) Sentea general sales conditions apply. | (6) Applies for small quantities, for larger quantities please contact us.

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High-speed acquisition

Temperature stability

Polarization sensitivity

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Part of a smart ecosystem

Our interrogators act as the go-between for sensors that detect changing physical conditions and control systems/monitoring platforms.


They are interoperable with all types of fiber optic sensors and have an open architecture for easy integration with your control systems, monitoring platforms or cloud storage systems.


Want our interrogators to work for you?

Our engineers can provide a custom-made solution.

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