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SENSE M 4201
BLE magnetic
Small round robust magnetic contact sensor to detect open/close events.

- Battery powered
- Communication range up to 60 meters
- IP68
- Magnet-sensor distance 0,5 cm
Small round robust magnetic contact sensor to detect open/close events.
The sensor comes with a small magnet. The distance between the magnet and the sensor indicates if there is a status change or not.
The installation can be done on doors and moving parts. A bracket might be needed for optimal installation.
Sensor is IP 68 rated. The sensor can be used for indoor and outdoor usage.
The current and historical status of the sensor state is visible in the Sensolus platform.
The sensor detects an open or closed state which makes it ideal for counting events. The overall count is visible in the Sensolus platform.
download a pdf file of the technical documents you need
Below you’ll find a detailed list of the product specifications
Sensor characteristics | |
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Magnetic event detector | Detects door open/close events |
Hall effect sensor range | 2 cm typ. |
Sensor connectivity | |
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Transmission range | Up to 60 meters |
BLE advertisment period | 2 seconds at +4dBm |
Mounting | |
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Mounting options |
• Concrete glue like Sabatac or Tec7 for the sensor • Screw or double sided tape for the magnet |
Mechanics & design | |
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Size | ∅ 57mm x 20 mm |
Weight | 41 gram |
Color | White |
Casing | DELRIN (POM C) material Food Grade (90/128/EEC) |
Operating temperature | -40°C to +85°C |
Battery | |
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Battery type |
7 years of battery life Non-replaceable batteries |
Certifications | |
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Europe | CE: EN 300 328/ EN 301 489 & EN 55032 / EN 62368-1 |
USA | FCC: FCC 15 |
Canada | ISED: RSS-247 / ICES-003 |
RoHS | Yes |
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