The SignalFire Remote Sensing System™ is a flexible, adaptive radio networking system that seamlessly integrates analog and digital sensors. A2 Long Range Node Series is self installing and self configuring. It also features up to a 3-mile range. All the installer has to do is set the check-in frequency using a simple rotary switch, record the radio address, and connect the sensor. This system compares very favorably, from a cost perspective, with installed conduit at distances of 100 feet or more.

It is sensor independent and simple to install and maintain.  It offers a battery life up to 10 years, but depends on the type of sensor and reporting frequency.  This series automatically configures as a star or mesh network and has a rugged design that works best in outdoor environments.  It also includes an option for a solar power package.

Operating Temp: -40ºF to 185ºF (-40ºC to 85ºC)

Humidity: 0% – 100% condensing

Power: 3 X D Lithium battery pack. Field replaceable. Solar and DC input power options available.

Sensor Power: 12.5 or 18V Jumper selectable for 4-20mA current loop, 1-5V, or HART sensors.

• Analog and HART sensor power is provided from the system, no need for external sensor power.
• Modbus requires external sensor power

Battery Life: 1–10 years depending on the type of sensor and reporting frequency.

Data Interface: Wireless – available as Modbus registers at Gateway.

Data Update Rates: User configurable from 5 sec to 2 hours.

Supported Sensor Interfaces:

• Analog (4-20mA/1-5V)
• Digital input
• HART
• RS485 Modbus RTU
• K-Type Thermocouple

Radio Power: 500 mW

Antenna Type: External Weather Resistant, Omnidirectional.  Optional N-Connector for remote mounted antenna.

Receive Sensitivity: -105 dB

Frequency: 902-928 MHz License Free ISM Band Compliant with FCC Part 15.

Range: Up to 3 Miles (Line of Sight)

Networks: Up to 65,520 separate networks.

Enclosure: Aluminum, NEMA 4X Rated

Internal Diagnostics: Battery voltage, signal strength, error conditions.

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