Description
In the realm of industrial automation and signaling, “dry contact” refers to a discrete output signal of a device. The term “dry” indicates that the dry contact terminals have no voltage unless they are connected to other equipment. It is important to note that, in addition to the absence of voltage sources in the dry contact circuit, the dry contact circuit is electrically isolated from other external electrical contacts of the device. Examples of devices with dry contacts include relays, limit switches, and buttons. Typically, a dry contact occupies two terminals of the device, which are either closed or opened in accordance with the logic of the device. By connecting a sensor to a dry contact, you can receive a message about each status change (closed/open). When a reed switch is connected, the sensor can function as a door opening sensor. Adding a contact group to the dry contact sensor creates a leakage sensor.
- All-weather performance, IP67
- Maintenance free (turn on and forgot)
- Periodically confirms that it is armed (sends a status message)
Specification
Operating temperature: -40 to +80°C
Ingress Protection Code: IP67
Power system type: autonomous
Supply voltage: 3.6V
Battery type: 14505
Weight: 64 grams
Dimensions: 170×28×28 mm
Frequency range: 863.0-870.0 MHz
Transmitter output power: 25mW
