Product Model
MM18-70A-N-ZW0
Selling Points
- 1Reliable detection of permanent magnets through non-ferromagnetic materials like stainless steel, aluminum, plastic, or wood.
- 2High-temperature resistance by installing the permanent magnet in the high-temperature area and the sensor behind an insulated area.
- 3Robust IP67 enclosure rating for harsh environments.
- 4Sensing range up to 120 mm with precise magnetic sensitivity of 0.4 mT.
- 5NAMUR design for usage in explosion-hazardous areas with PNP/NPN output function.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Housing | Metric | Thread size | M18 x 1 |
Diameter | Ø 18 mm | Sensing range Sn | 5 mm ... 70 mm |
Safe sensing range Sa | 56.7 mm | Magnetic sensitivity | ≤ 0.7 mT |
Switching frequency | 1,000 Hz | Connection type | Cable, 2-wire, 2 m |
Switching output | NAMUR | Output characteristic | Control current depending on switching state according to NAMUR EN 60947-5-6 |
Electrical wiring | DC 2-wire | Magnetic alignment | Axial |
Enclosure rating | IP67 | Items supplied | Mounting nut, brass, nickel-plated (2x) |
Ripple | ≤ 5 % | Time delay before availability | ≤ 2 ms |
Hysteresis | ≤ 25 % | Reproducibility | ≤ 1 % |
Temperature drift (of Sr) | ± 10 % | EMC | According to EN 60947-5-2 |
Current consumption, sensor is activated | ≥ 2.3 mA | Current consumption, sensor is not activated | ≤ 1 mA |
Cable material | PVC | Conductor size | 0.34 mm² |
Cable resistance | ≤ 50 Ω | Wire-break protection | ✔ |
Reverse polarity protection | Yes | Short-circuit protection | Yes |
Shock and vibration resistance | 30 g, 11 ms / 10 ... 55 Hz, 1 mm | Ambient operating temperature | –25 °C ... +70 °C |
Housing material | Metal, Nickel-plated brass | Housing length | 50 mm |
Thread length | 40 mm | Tightening torque, max. | ≤ 25 Nm |
Type approval certificate | TÜV 19 ATEX 241335 | UK type examination certificate | UL22UKEX2385 |
ATEX marking | EX II 1G Ex ia IIC T6 Ga#!#EX II 1D Ex ia IIIC T#!#85 °C Da#!#Ta: –25 °C ... +70 °C | Ex area category | 1G, 1D |
Input voltage Uimax. | 16 V | Input power Pimax. | 100 mW |
Input current Iimax. | 30 mA | Internal capacitance Cimax. | 130 nF |
Internal inductance Limax. | 10 µH | Nominal voltage | 8.2 V DC |
Specifications may be subject to change without notice