The IFM MFH202 is a pressure-resistant magnetic position sensor developed specifically for hydraulic cylinders. It detects ferrous-metal targets with a 1.8 mm sensing range and operates reliably under hydraulic pressures up to 500 bar. The sensor provides a PNP normally-open output with a switching capacity of 200 mA and a frequency of up to 1000 Hz. Its full-metal stainless-steel construction supports demanding hydraulic applications. IP65, IP66, IP68 and IP69K protection provide strong environmental resistance.
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The MFH202 detects ferrous metals for reliable position monitoring inside hydraulic-cylinder applications. Its 1.8 mm sensing range provides a defined switching point for piston-position detection. The sensor operates without mechanical contact between the sensing element and moving hydraulic components. A PNP normally-open output provides a direct digital position signal. This makes the sensor suitable for automated hydraulic control and feedback systems.
The MFH202 has a continuous pressure rating of 500 bar and a minimum burst pressure of 2000 bar. Its pressure peak rating is 1000 bar. The stainless-steel full-metal housing provides mechanical strength for direct hydraulic-cylinder installation. FKM sealing and a PTFE supporting ring protect the sensing assembly. These characteristics make the sensor suitable for demanding hydraulic machinery.
The sensor operates from 10–36 V DC with current consumption below 23 mA. Its PNP output has a maximum voltage drop of 1.6 V and supports 200 mA continuous current. Switching frequency reaches 1000 Hz for fast piston-position monitoring. Short-circuit and overload protection are integrated into the sensor. Reverse-polarity protection improves wiring reliability.
1.8 mm sensing range
PNP normally-open output
500 bar pressure rating
2000 bar minimum burst pressure
1000 bar pressure peak
10–36 V DC supply
200 mA switching current
1000 Hz switching frequency
Full-metal stainless-steel housing
M12 × 1 threaded body
M12 A-coded connector
IP65/IP66/IP68/IP69K protection
Short-circuit protection
Overload protection
Reverse-polarity protection
Hydraulic cylinder position detection
Mobile hydraulic equipment
Industrial hydraulic systems
Hydraulic presses
Construction machinery
Agricultural machinery
Material-handling equipment
Hydraulic actuator monitoring
The MFH202 has an M12 × 1 threaded body with a 60 mm overall length. The sensor is flush mountable and supplied with one M12 lock nut. Its stainless-steel housing provides high mechanical durability. The tightening torque is specified below 15 Nm. The compact form factor enables installation directly on hydraulic-cylinder assemblies.
The MFH202 operates over an ambient temperature range of -25 to 120 °C. It provides IP65, IP66, IP68 and IP69K protection. The sensor is tested for severe vibration and shock conditions, including 20 g vibration and 100 g shock testing. Its MTTF is specified at 658 years. These characteristics support long-term operation in demanding hydraulic environments.
| Specification | MFH202 |
|---|---|
| Product type | Pressure-resistant position sensor |
| Product code | MFB3002BBPKG/B/AM/500/US |
| Application | Hydraulic cylinders |
| Detection principle | Magnetic |
| Target material | Ferrous metal |
| Electrical design | PNP |
| Output function | Normally open |
| Sensing range | 1.8 mm |
| Operating voltage | 10–36 V DC |
| Current consumption | <23 mA |
| Protection class | III |
| Reverse polarity | Yes |
| Voltage drop | 1.6 V |
| Leakage current | 0.1 mA |
| Continuous current | 200 mA |
| Switching frequency | 1000 Hz |
| Short-circuit protection | Yes |
| Overload protection | Yes |
| Short-circuit type | Pulsed |
| Hysteresis | <15% of Sr |
| Switch-point drift | 10% of Sr |
| Repeatability | 10% of Sr |
| Pressure rating | 500 bar |
| Minimum burst pressure | 2000 bar |
| Pressure peak | 1000 bar |
| Ambient temperature | -25…120 °C |
| Protection rating | IP65/IP66/IP68/IP69K |
| Housing material | Stainless steel |
| Housing dimensions | M12 × 1 / L60 mm |
| Connection | M12 A-coded, 4-contact |
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