Monnit ALTA Wireless Dry Contact Sensor - Coin Cell Powered (900 MHz)

The Monnit ALTA Wireless Dry Contact Sensor is a compact, high‑reliability monitoring device designed to detect when two wired contact points meet. Ideal for doors, access panels, safety interlocks, or any setup that requires knowing when a switch closes or a contact plate is engaged, this sensor delivers instant alerts via SMS text and/or email. Built for seamless integration into the Monnit ALTA ecosystem, it provides scalable, cloud‑based visibility into your critical assets while keeping installation simple and maintenance lightweight. With its coin cell power and flexible lead options, the ALTA dry contact sensor is suited for a wide range of applications—from facilities management and manufacturing to security and inventory control.

• Detects contact closure or switch activation with an external mechanical switch or contact plate, instantly notifying you by SMS or email when the circuit closes or opens, enabling real‑time monitoring of doors, gates, tamper switches, safety interlocks, and more.
• Built on 900 MHz wireless ALTA technology for reliable, low‑latency communication and scalable deployments. It integrates smoothly with Monnit gateways and dashboards, offering a single pane of glass for a growing sensor network.
• Coin cell powered design provides maintenance‑free operation and long life between battery changes. The sensor is engineered for low power consumption while preserving quick alerting and dependable performance in real environments.
• Flexible installation with a variety of lead lengths to accommodate different wiring configurations and mounting needs. Its compact form factor supports discreet placement behind panels, in cabinets, or along equipment enclosures.
• Cloud‑based monitoring and alert customization. Configure SMS and email alerts, set event history, and manage devices remotely through the Monnit ALTA platform, enabling proactive responses to status changes and improved operational efficiency.

Technical Details of Monnit ALTA Wireless Dry Contact Sensor

• Wireless frequency: 900 MHz ALTA protocol for robust wireless communication.
• Power source: Coin cell powered, designed for long‑lasting battery life with low power consumption.
• Sensor type: Dry contact / passive contact sensing for monitoring when two points touch or separate.
• Lead lengths: Available in a variety of lead lengths to fit different installation scenarios and wiring layouts.
• Alerts supported: SMS text messages and/or email notifications when the contact state changes.
• Platform compatibility: Designed to operate within the Monnit ALTA gateway ecosystem and cloud dashboard for centralized monitoring and reporting.

How to Install Monnit ALTA Wireless Dry Contact Sensor

• Plan your installation by identifying the two contact points you want to monitor and selecting the appropriate lead length for a clean, secure connection to the dry contact terminals.
• Attach the external mechanical switch or contact plate to the two contact points, ensuring a solid, reliable connection that will reliably close or open the circuit as intended.
• Connect the dry contact sensor to the monitored circuit according to the device’s wiring diagram, and insert a fresh coin cell battery if needed to ensure optimal power for wireless communication.
• Pair the sensor with your Monnit ALTA gateway and configure the device within the Monnit platform. Set SMS and/or email alert preferences, and tailor reporting intervals and event thresholds to match your monitoring goals.
• Test the installation by triggering the switch to verify that alerts are received, and verify that the sensor’s status is accurately reflected in the ALTA dashboard. Secure cables and mount the unit as required to withstand the operating environment.

Frequently asked questions

• Q: What does the Monnit ALTA Wireless Dry Contact Sensor monitor?
• A: It monitors when two wired contact points come together or separate, using an external mechanical switch or contact plate to generate alerts via SMS or email.
• Q: What power source does it use?
• A: It is coin cell powered, designed for low power consumption and extended battery life with maintenance‑free operation in typical deployments.
• Q: What communication technology does it use?
• A: It uses 900 MHz ALTA wireless technology to provide reliable, scalable communication with Monnit gateways and cloud dashboards.
• Q: Can I customize alerts and monitoring in the Monnit platform?
• A: Yes. The Monnit ALTA platform supports configurable SMS/email alerts, event histories, and remote management for a tailored monitoring solution.
• Q: Are there different lead lengths available?
• A: Yes. The sensor is offered with a variety of lead lengths to fit diverse installation scenarios and wiring configurations.