Heavy-duty temperature sensors, MBT 3250, 3252, 5250 & MBT 5252

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Heavy-duty temperature sensors, type MBT 3250, 3252, 5250, and 5252

Discover heavy-duty temperature sensors for controlling cooling water, lubrication oil, hydraulic oil, and refrigeration plants within general industry and marine applications. These temperature sensors are based on a standardized Pt 100 or Pt 1000 element, which gives a reliable and accurate measurement. All three sensor types can be delivered with NTC/PTC elements on request.

MBT 3250 temperature sensor (3D/AR)
MBT 3252 temperature sensor (3D/AR)
MBT 5250 temperature sensor (3D/AR)
MBT 5252 temperature sensor (3D/AR)

In the low-temperature version (-50 to 200 °C), the measuring insert is based on a silicone cable, which makes the sensor very resistant to vibrations. The MBT 3250 and 5250 temperature sensors come with interchangeable measuring inserts equipped with EN 175301-803-A, Pg 9 as standard. The MBT 3252 and 5252 sensors are equipped with a B-head as standard but can also be delivered with B-mini head on request. If needed, a transmitter (MBT 9110) can be ordered as an integrated part of the MBT 5252 sensor.

Features and benefits

Gaseous or liquid media, e.g., air, gas, vapor, water, or oil

Pt 100 or Pt 1000 sensing element

Can be used with 2- or 3-wire connections

Shock and vibration resistant


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Type Name Language Valid for Updated Download File type
Marine Safety Certificate ABS 22-2216869-PDA English Multiple 08 May, 2024 293.4 KB .pdf
EU-UK Declaration Danfoss EU-UK 084R1019.04 English Multiple 20 Jul, 2024 3.0 MB .pdf
Marine Safety Certificate DNV GL TAA000006F Rev. 3 English Multiple 08 May, 2024 182.0 KB .pdf
Marine Safety Certificate KR DLN 34014-AE002 English Multiple 08 May, 2024 419.5 KB .pdf
Marine Safety Certificate LR 2101288TA English Multiple 08 May, 2024 1.9 MB .pdf
Marine Safety Certificate NKK TA22320M English Multiple 08 May, 2024 1.0 MB .pdf
Marine Safety Certificate RINA ELE123820XP English Multiple 08 May, 2024 1.0 MB .pdf

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