Product Overview: ifm electronic IGS208
The ifm electronic IGS208 is a high-performance inductive proximity sensor designed for the non-contact detection of metallic objects in industrial environments. Part of the robust «G» series, this M18 threaded cylindrical sensor is a benchmark for reliability in factory automation. It is primarily used for monitoring end-positions on conveyor belts, detecting the presence of metal parts in assembly lines, and as a pulse generator for rotational speed measurement.
Technical Specifications and Sensing Logic
The IGS208 features a sensing range of 8 mm and is designed for flush mounting, which allows for space-saving integration directly into metal machine frames without compromising signal accuracy. It utilizes a 3-wire DC PNP electrical design with a Normally Open (NO) output function. The housing is constructed from high-quality nickel-plated brass, providing excellent mechanical strength and resistance to typical industrial vibration and shock.
Key Technical Characteristics
- Part Number: IGS208.
- Thread Size: M18 x 1.
- Sensing Range: 8 mm.
- Installation: Flush mountable.
- Output Function: PNP, Normally Open (NO).
- Operating Voltage: 10V to 36V DC.
- Switching Frequency: 400 Hz.
- Protection Rating: IP67.
- Connection: M12 connector (4-pin).
Performance in Harsh Environments
The IGS208 is engineered for maximum uptime. It includes integrated protection against short circuits, overloads, and reverse polarity, ensuring the electronics remain safe during installation or in the event of a wiring error. The IP67 rating guarantees that the sensor is fully sealed against dust and temporary immersion in water. A high-visibility yellow LED provides clear 360° visual feedback of the switching state, facilitating rapid on-site troubleshooting.
| Category | Specification |
| Housing Material | Nickel-plated brass / PBT sensing face |
| Hysteresis | 3…15% of the sensing range |
| Correction Factors | Steel (1), Al (0.4), Cu (0.3) |
Maintenance and Setup
Thanks to its solid-state construction, the IGS208 requires zero maintenance. When installing, it is recommended to adhere to the maximum tightening torque of 25 Nm. For applications involving non-ferrous metals, the correction factors must be applied to determine the effective sensing distance. Its standardized M12 connector allows for quick replacement using common industrial cable assemblies.
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