MESSKO® MTO
Oil level indicators for transformers
MESSKO® MTO oil level indicators are measuring devices with or without main switching contacts. They are especially well suited for fill level measurements in transformer oil conservators. There are two different float drive types with regard to the oil conservator: float movement in radial or axial direction. The fill level indicator can be supplied with up to three micro-switches, either permanently installed or freely adjustable, and optionally with up to 4 additional relays. The device allows further options such as analog and/or digital remote transmission of the oil level to control cabinets, monitoring systems (e.g. ETOS®) or the control room.
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Optional outputs: RS485 Modbus RTU or 4...20 mA
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Optional installation with angle of inclination (15°; 30°; 45°)
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Laminated composite safety glass with UV filter
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Functional reliability and high accuracy due to state-of-the-art measuring technology
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Freely adjustable limit switches over the scale range with up to 7 contacts with Modbus interface
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Easy integration into ETOS® – Embedded Transformer Operating System
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Separation of sensor and display, element with magnetic coupling
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No readjustment or recalibration required during the entire service life
Información sobre el producto
| Operating temperature | -40...+80 °C / -50 °C on request |
| Ambient air temperature | -40...+80 °C |
| Corrosion protection class | C4H, C5H and CX (offshore) |
| Degree of protection | IP 55 or IP66 with special cable gland (DIN EN 60529) |
| Output | 4...20 mA; RS485 Modbus RTU (optional) |
| Number of switches | 3, total 7 with Modbus / Relay type: 4 changeover switches |
| Dial lettering | "MIN", "+20 °C", "MAX" (others on request) |
| Electric connection | 2 x M20 x 1.5, nickel-plated brass / Offshore variant: A4 stainless steel |
| Float rod | Aluminum; optional brass for L ≤ 350 mm |
| Float movement | Radial or axial |
| Angle of inclination | 15°, 30°, 45° |
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| Operating temperature | -40...+80 °C / -50 °C on request |
| Ambient air temperature | -40...+80 °C |
| Corrosion protection class | C4H, C5H and CX (offshore) |
| Degree of protection | IP 55 or IP66 with special cable gland (DIN EN 60529) |
| Output | 4...20 mA; RS485 Modbus RTU (optional) |
| Number of switches | 3, total 7 with Modbus / Relay type: 4 changeover switches |
| Dial lettering | "MIN", "+20 °C", "MAX" (others on request) |
| Electric connection | 2 x M20 x 1.5, nickel-plated brass / Offshore variant: A4 stainless steel |
| Float rod | Aluminum; optional brass for L ≤ 350 mm |
| Float movement | Radial or axial |
| Angle of inclination | 15°, 30°, 45° |
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