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Wireless Dry Contact | A sensor designed to detect whether an electrical circuit is open or closed without requiring any voltage application.
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Wireless Dry Contact Sensor

The dry contact sensor* is designed to detect whether an electrical circuit is open or closed without requiring any voltage application.

Seamlessly integrated with the MAXIMUS View gateway, it wirelessly transmits status updates directly to the mobile application.

Ideal for monitoring the operational state of switches, relays, gates, pumps, alarms, and other critical equipment. This sensor provides remote insights into essential systems such as irrigation pumps and generators. For example, you can monitor a grain dryer’s cycle and receive instant alerts if it stops unexpectedly. Notifications for activation, shutdowns, or malfunctions reduce the need for manual inspections and help prevent costly breakdowns.

This proactive monitoring approach enhances safety, minimizes downtime, and ensures your systems are always running as they should.

*This device is exclusively compatible with the MAXIMUS View gateway.

Wireless Dry Contact Sensors connected to MAXIMUS View are especially valuable in:

  • Irrigation Systems – Confirm when pumps start or stop
  • Grain Dryers – Monitor drying cycles remotely
  • Backup Generators – Verify operation during power outages
  • Greenhouses – Oversee environmental control systems

  • LoRaWAN® 1.0.3 Class A

  • Ultra-low power consumption
  • Open/Close detect
  • IP67
  • Data sent periodically and on open/close events
  • Adjustable data transmission interval
  • 8500mAh Li/SOCl2 Battery (CPL03-LB)
  • One-year warranty
  • Frequency Band: US915
  • Supply Voltage: Built-in Battery, 2.5v ~ 3.6v
  • Operating Temperature: -40°C ~ 85°C (-104°F ~ 185°F)

LoRa:

  • Frequency Range, Band 1 (HF): 862 ~ 1020 Mhz
  • Max +22 dBm constant RF output
  • RX sensitivity: down to -139 dBm
  • Excellent blocking immunity

Battery:

  • Li/SOCI2 un-chargeable battery
  • Capacity: 8500mAh
  • Self-Discharge: <1% / Year @ 25°C
  • Max continuously current: 130mA
  • Max boost current: 2A, 1 second

Power Consumption:

  • Sleep Mode: 5uA @ 3.3v
  • LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm

 

MAXIMUS View with dry contact sensor – Know what’s happening before it becomes a problem.

Product Number

Band

7100-0043

US915