Fiber Optic Temperature Sensor with Kevlar for Transformers

TSENS-K

Fiber Optic Temperature Sensor with Kevlar

Accurate Monitoring Designed to Outlast Transformers

The Kevlar-reinforced TSENS-K offers a durable and easy-to-install design, ensuring long-term temperature monitoring. It provides manufacturers and operators with reliable data critical for accurate transformer aging evaluation, proactive maintenance, and consistent performance.

Features

Easy installation.
Rugged and robust design.
Zero-drift GaAs technology.
Compact 9 mm disc design.
Resistant to solvents and chemicals.
Kevlar reinforcement along the entire probe length.

Benefits

No calibration required.
Exceptional stability with no shift over time.
Durable construction with double PFA Teflon reinforcement.
Versatile design, available with or without a disc.
Meets and exceeds ASTM D2413 and D149 standards.
Designed for long-term reliability.

Applications

Oil-filled and dry-type transformers.
Suitable for high-voltage environments (1 MV or more).
Ideal for HVDC windings.
Mountable in standard radial spacers.
Compatible with Rugged Monitoring instruments.

Technical specifications

Temperature range

-200 °C to +250 °C

Repeatability

0.2 °C

Accuracy absolute temperature

+/- 0.8 °C

Accuracy relative temperature

+/- 0.2 °C

Probe sheathing material

Teflon spiral-wrap with Kevlar

Tip material

Torlon (with disc) or Polyimide (no disc)

Connector

Stainless alloy ST with zirconia ferrule
(Optional: Dielectric Torlon ST with zirconia ferrule)

Probe length

Up to 25 meters

Response time

Up to 0.2 sec without disc. About 2 sec with disc

Longevity

Probe accuracy and repeatability constant over time

Ordering Code

Product Drawing

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