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Temperature monitoring

Temperature measuring systems and accessories for transfomers

To ensure optimal operation of your transformer and ensure reliable temperature monitoring, we not only offer a range of temperature measuring systems with different technologies for both distribution as well as power transformers, but also further additional accessories.


MESSKO® COMPACT series devices prove their quality under extreme climatic conditions. The closed system allows measured values to be read off clearly…
+ Optional outputs: RS485 Modbus RTU or 4...20 mA analog output
+ Extremely durable and reliable without readjustment or recalibration
+ Safe function even in case of vibrations and extreme outdoor conditions


The modular MESSKO® TRASY2 temperature measuring system is suited for measuring oil and winding temperatures (thermal image) in medium or large…
+ Bourdon tube measuring system without additional mechanical parts
+ Extremely durable and reliable without readjustment or recalibration
+ Safe function even in case of vibrations and extreme outdoor conditions


MESSKO® BETECH® thermometers measure the oil and winding temperature (thermal image) in power transformers. The thermometers consist of a temperature…
+ Expansion bellows technology
+ High switching loads
+ No readjustment or recalibration over the entire service life


The MR CEDASPE® VT Bourdon thermometers are designed for oil temperature measurement in DT transformers. They are available either as 80 mm indicators…
+ Bourdon-tube measuring system with no additional mechanical parts
+ Housing, connection, stem and capillary made of stainless steel
+ Extremely durable and reliable


CEDASPE® BM series is a bimetallic Oil Temperature Indicator without contacts mainly used for application in distribution transformer field. CEDASPE®…
+ BM80 (dial 75 mm) / BM100 (dial 95 mm)
+ Bulb style F, M and PK
+ Execution NT (radial rigid stem) and BE (back entry rigid stem)


ZT-F2 is a temperature transmitter for TRASY2 which is required for measuring winding temperature with TRASY2. It offers quick and easy configuration…
+ Installation possible in all common thermometer pockets in accordance with EN50216-4

MESSKO® Multi-Ballast

The universal ballast transforms the CT currents of 1 A, 1.5 A, 3 A, 4 A and 5 A to the current required for the thermal image. The ballast is suited…
+ Universal device for the TRASY2 and COMPACT series
+ Transforms 1 A, 1.5 A, 3 A, 4 A and 5 A
+ Different designs available for delivery


The PQ electric coil indicator is a display instrument for installation in control panels. The PQ96/144 coil indicator is available in 96 mm and 144…
+ Coil indicator for control panel installation


D1272AT digital indicators are used for the remote display of the oil or winding temperature and the oil level. They are installed into control…
+ Digital indicator for control panel installation
+ Freely adjustable limit contacts
+ Various output signals


You can use the CT current simulator in the test field, during commissioning or during maintenance of CT-current-powered temperature measurements. It…
+ Use in the test field, during commissioning or during maintenance
+ Compact design specifically for service purposes – easy to transport
+ Simple operation and high functional safety

MESSKO® Thermo well and kick protection

Standard thermo well for installation of the oil thermometer into the thermometer pocket in accordance with DIN 42554. Kick protection against…

MESSKO® Combi Well

The combi well, like the thermo well, is an assembly sleeve for the oil thermometer. It can be installed in the thermometer pocket in accordance with…


Using the Pt-MU measuring transducer, the signal of a Pt100 is converted into a standard signal proportional to the temperature. For example, the…
+ Measuring transducer for Pt100


The IgT-MU measuring transducer is used to transform and galvanically isolate direct current or direct voltage into an impressed direct current and…
+ Direct current measuring transducer


The portable MZT1650S calibration bath reliably checks the thermometers for transformers and industrial systems. The rear part of the rugged steel…
+ Reliable testing of thermometers in transformer and industrial systems
+ Mobile applicable


The CEDASPE® TESS series of liquid filled thermometers is designed for measuring oil temperature in distribution transformers. This pointer type…
+ Nominal Diameter: 100 mm
+ Max pointer with external reset
+ Compensation of ambient temperature changes
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