MESSKO® MMK
Magnetic oil level indicators for transformers
The MESSKO® MMK magnetic oil level indicator shows the fill level, without needing a float located in the container. The magnetic level gauge can be easily attached to existing flange connections (retrofit) in accordance with DIN 42552. A measuring tube is flanged to the container as a replicate container. Inside, there is a cylindrical float with installed permanent magnet. The indicator rail with the magnetic flaps is on the outside of the measuring tube. Depending on the fill level, the float magnet ensures that the magnetic flaps in the indicator rail turn 180°.
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Independent functioning without external power
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Permanently weatherproof indicator rail
Información sobre el producto
| Operating temperature | -40...+70 °C |
| Ambient air temperature | -40...+70 °C |
| Corrosion protection class | C4H and CX (Offshore) |
| Degree of protection | IP55 in accordance with EN60529 (optional: IP65) |
| Cable gland | Up to 3 x M20 and 1 x M16; ½” NPT; Pg16 adapter; M20 x 1.5 WADI (offshore), others on request |
| Output | 4... 20 mA; 4-20 mA; 4-20 mA and 5 VDC; 0-5 V DC; Pt100; Modbus RTU RS485 |
| Switches | 2, 3, 4, 5 or 6 |
| Measurement range | 0...+150 °C or -20...+130 °C or 0...+160 °C or -40...+160 °C; other ranges on request |
| Accuracy | ± 3 °C (+30...150 °C) (optional: ± 2 °C or ± 1.5 °C); according to IEC 60076-22-01:2019 |
| Sensor gland | Square flange 4–holes; G3/4"; G1"; 7/8"-14UNF; other thread joints on request |
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| Operating temperature | -40...+70 °C |
| Ambient air temperature | -40...+70 °C |
| Corrosion protection class | C4H and CX (Offshore) |
| Degree of protection | IP55 in accordance with EN60529 (optional: IP65) |
| Cable gland | Up to 3 x M20 and 1 x M16; ½” NPT; Pg16 adapter; M20 x 1.5 WADI (offshore), others on request |
| Output | 4... 20 mA; 4-20 mA; 4-20 mA and 5 VDC; 0-5 V DC; Pt100; Modbus RTU RS485 |
| Switches | 2, 3, 4, 5 or 6 |
| Measurement range | 0...+150 °C or -20...+130 °C or 0...+160 °C or -40...+160 °C; other ranges on request |
| Accuracy | ± 3 °C (+30...150 °C) (optional: ± 2 °C or ± 1.5 °C); according to IEC 60076-22-01:2019 |
| Sensor gland | Square flange 4–holes; G3/4"; G1"; 7/8"-14UNF; other thread joints on request |
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