Proximity Sensor - 3 mm Diameter, Shielded, Normally Open - NPN
2318401This 3mm diameter shielded inductive proximity sensor is useful for detecting small features, especially when space inside the die is at a premium. This sensor has an unthreaded housing and should be epoxied into a slip-fit hole. If the sensor is to be removed from the die during maintenance, epoxy it into a removable bush or insert.
This sensor is Normally Open, in other words, it actuates (turns On) when metal enters the sensing field.
All of Wintriss's inductive proxes are immune to non-metallic contaminants and oil resistant. This model features an IP67 environmental rating.
Inductive proximity sensors are excellent and trouble-free general purpose die protection sensors (or any other application where the sensing target is made of metal). They're fast, precise, accurate, will not wear out, are not affected by lube (even water-based), and are easy to install.
Here are the detailed specs for this sensor:
| Size | 3mm dia. |
| Type | Shielded |
| Sensing distance | 0.8 mm +/-10% |
| Operation mode | NPN open collector - NORMALLY OPEN |
| Differential travel | 15% max. of sensing distance |
| Detectable object | Ferrous metal (The sensing distance decreases with non-ferrous metal. See the "Sensing Distance by Material Type" graph) |
| Standard sensing object | Iron, 3 x 3 x 1 mm |
| Response frequency (time) | 5 kHz (200 microseconds) |
| Power supply voltage | 10 to 30 VDC (including 10% ripple (p-p)) |
| Current consumption | 10 mA max. |
| Load (output) current | 50 mA max. |
| Residual voltage | 2 V max. |
| Indicators | Operation indicator: Yellow (complies with European standard EN60947-5-2) Lights during output. |
| Protection circuits | Output reverse polarity protection, Power source circuit reverse polarity protection, Surge suppressor, Load short-circuit protection |
| Ambient temperature range | Operation and storage: 25 to 70 degrees C (with no icing or condensation) |
| Ambient humidity range | Operation and storage: 35% to 95% (with no condensation) |
| Temperature influence | +/- 15% max. of sensing distance at 23 degrees C within temperature range of 25 to 70 degrees C |
| Voltage influence | +/-2.5% max. of sensing distance at rated voltage in the rated voltage +/-15% range |
| Vibration resistance | Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions |
| Shock resistance | Destruction: 500 m/s/s 10 times each in X, Y, and Z directions |
| Degree of protection | IEC 60529 IP67, in-house standards: oil-resistant |
| Case Material | SUS303 (EN 1.4305) |
| Sensing surface material | Heat-resistant ABS |
| Cable | Polyvinyl chloride (PVC) 2 meter length |
This sensor is compatible with the following connection hardware:
- Wintriss DSI 2 Die Protection Sensor Interface
- HD19 PCB Kit
- HD19 Cable
- HDP 4-port die-mounted junction box
- HDP 8-port die-mounted junction box
- QDP Kit
- QDP Cables
You can also use the standard sensor connector to connect to the front panel of the Wintriss DSI 2.
These sensors can be used with the following Wintriss Controllers:
This sensor may also be compatible with some legacy Wintriss products. Contact the factory for details.