OIL LEVEL INDICATORS FROM MESSKO® FOR TRANSFORMERS

MESSKO® MTO-Series

YOUR BENEFITS AT
A GLANCE

  • Oil level indicator for accurate oil level measurement
  • Separation of sensor and display, element with magnetic coupling
  • Radial and axial movement of the float with different arm lengths and up to four floats
  • Laminated safety glass with built-in UV filter
  • Up to three micro-switches that are either freely adjustable or have fixed positions
  • Optional installation with inclination angle (15°; 30°; 45°)
  • Optional remote display with signal converter TT30 or, for larger transformers, the electronic remote display with Ei100/160

GAUGES FOR OIL LEVEL MEASUREMENT IN TRANSFORMERS

MESSKO oil level indicators of the MTO type series are gauges with or without switching contacts. They perform outstandingly well in applications involving level measurement in the oil conservator of transformers.

DESIGN OF OIL LEVEL INDICATOR FROM THE MTO TYPE SERIES FROM MESSKO

The oil level indicator consists of an sensor part (mounted directly to the vessel wall) and a display part. These parts are connected to each other. The float rod transfers the float's lifting motion to a shaft. This shaft is linked to the indicator axis in the display part via a magnetic coupling.

Darstellung: Aufbau Ölstandanzeiger von MESSKO

Drive types of the float

There are two different drive types of the float relative to the oil expansion tank:

  • Float movement in radial direction
  • Float movement in axial direction

We have compiled additional information about the versions of the float movements and the function of the oil level indicator from the MTO type series in our MTO oil level indicator product flyer.

Installation into the oil expansion tank of transformers

Version "G" is available for installation in narrow or flat oil conservators in which only a small float motion is possible. The float motion here is axial relative to the housing and the display can be replicated in the ratio 1:1, 1:2, 1:3 or 1:4. The level indicators can be supplied with one or two micro-switches:

  • MTO-ST160(G): Adjustable limit value switches (max. 2 changeover contacts)
  • MTO-STF160(G): Fixed limit value switches (max. 3 changeover contacts)

REMOTE TRANSMISSION OF THE OIL LEVEL
USING THE MTO-TT30 OIL LEVEL INDICATOR

Ölstandsanzeiger für Transformatoren mit Fernübertragung

The oil level indicators of the MTO-TT30 series have a measurement and display unit that technically and functionally corresponds to the tried-and-tested MTO series.

In tight space conditions with large transformers, to display the oil level in the remote control room or for connection to a monitoring system, all variants of the oil level indicator for transformers with limit value switches with fixed settings can optionally be equipped with an analog or digital output signal.

Analog and/or digital remote transmission

The TT30 module makes it possible to transmit the analog (0 to 1mA; 0 to 20mA; 4 to 20mA) and/or digital (RS485) oil level remotely to the control cabinet or the control room. To visualize the 4 to 20mA signal, the EI100 or El100/160 electronic display can be used.