Proximity sensor MNH 4
High temperature proximity sensor
- Measurement of distance, displacement, extension, vibration and rotation
- contactless measuring by eddy current
- extended measuring range up to 40mm
- temperature resistance up to 180°C, special versions up to 230°C
- up to 10 kHz meas. dynamics
- rugged design, IP 67 protection
- customized, OEM and special models
- separate sensor converter electronics (linearisation, trip point outputs)
Important features
- Nominal measuring range: 0,5 mm to 4,5 mm
- Head diameter: 14 mm
- Dynamic range: up to 10 kHz
- Operating temperature: Sensor: -30 °C ... +180 °C, special versions up to 230°C
- Protection: IP 67
Technical data
ref. to material 42CrMo4 (1.7225)
| MNH 4 | |||
| Nominal measuring range 1) | ± 2 (0,5 ... 4,5 mm) | ||
| Sensitivity 2) | 4 V/mm | ||
| Minimum gap | > 0,5 mm | ||
| Head diameter | Ø 14 mm | ||
| Coil type | Ferrite core | ||
| housing | M18, Option: UNF | ||
| Length L | 55 mm, Option: < 70 mm | ||
| Cable length (w/o ext.) | 1 or 4 m | ||
| Bending radius 3) | 35 mm | ||
| Connector (Standard) | Lemo FFA.0E | ||
| Material | Housing: stainless steel Head: PEEK Cable: Teflon | ||
| Operating temperature | Sensor: -30°C ... +180°C, special versions: up to +230°C cable end: max. 80°C |
||
| Linearity | Up to +/-2% o.v., dep. on converter | ||
| Dynamic range | Up to 10 kHz, dep. on converter | ||
| Protection (DIN 40050) | IP 67 | ||
| Connection | Teflon-coax cable, free wires, connector or intermittent connection; Option: protective metal tubing |
||
1) Range extension (2x to 4x) with digital converter MNHμCON
2) w/ adjustment acc. to API 670
3) Radius valid for cable as well as for protective tube
compatible w/ converter Philips CON 010 (with 4m connecting cable)
Model list
| Shortcut | MNH 4 | ||
| Housing |
M10 x 1 | M10 | -- |
| M18 x 1,5 | M18 | ||
| 3/8"-24UNF | U38 | -- | |
| 5/8"-18UNF | U58 | optional | |
| Other | optional | ||
| Length | Standard | 55 mm | |
| Other (in 5 mm steps) | < 70 mm | ||
| Cable |
Coax cable | K | |
| Coax cable w/prot. metal tubing | M | optional | |
| Cable length | Length 1 m | 1 | -- |
| Length 4 m | 4 | ||
| Other in m (max 5) | optional | ||
| Cable end |
Open wires | without | optional |
| Plug Lemo PCA.00 | L | optional | |
| Connector Lemo FFA.00 /Z | L | optional | |
| Connector Lemo FFA.OE /Z | L | ||
| Other (custom) | optional |
Do you have further technical questions about the product?
We will be happy to help you determine the order code and provide you with further specific information for your required product.
Mechanical drawing / connections
MNH 4
Data sheet