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SignalFire Wireless Telemetry

SignalFire Wireless Telemetry

Stable, reliable, low-cost wireless remote asset monitoring and control


  • A2 Long Range Nodes
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    Powers sensor and radio for years with an internal battery
    Optional solar power package
    Costs less than 60ft of installed conduit
    Rugged design for demanding outdoor environments
    Up to 3-mile range
    Sensor independent
    1/2� NPT conduit interface
    Automatically configures as a star or mesh network
    Simple to install and Maintain

    The SignalFire Remote Sensing System� is a flexible adaptive radio networking system that seamlessly integrates analog and digital sensors. With a range of up to 3 miles, the system is self installing and self configuring. 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.

    Operating Temp: -40�C to 85�C

    Humidity: 0% � 100% condensing

    Power: 3 X D Lithium battery pack. Field replaceable.

    Sensor Power: 12.5 or 18V Jumper selectable for 4-20mA current loop, 1-5V, or HART sensors. Sensor power is provided from the system, no need for 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 Selectable Rotary Switch from 5 sec to 2 hours.

    Supported Sensor Interfaces:

    Analog (4-20mA/1-5V)
    Digital input
    RS485 Modbus RTU
    K-Type Thermocouple
    Radio Power: 300 mW

    Antenna Type: External Weather Resistant, Omnidirectional

    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.
  • Chemical Injection
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    Various Operating Modes
    Auto volume � injects at an input hourly volume (quarts/hour)
    Auto production � dosing proportional to production rate
    Timed Manual Pump Control Remote Monitoring
    Tank level and gallons remaining
    Totalized amount pumped per contract hour (settable contract hour)
    Temperature monitoring � start and stop injection based on pre-configured set points
    Pump status monitoring (see changes in pump performance)
    Closed Loop Control
    Actively controls process to detect pump issues earlier and ensure the right dose is delivered every time.
    Hazardous Area Certified
    Non-Incendive, Class 1 Division 2 Pending

    The SignalFire Chemical Injection Monitoring and Control System (SF-CIS) monitors, controls, and optimizes the chemical injection process to provide you with a known and measured chemical dosing rate and diagnostic information. No longer do you need to rely on timed control and manpower to keep your chemical injection system running smoothly. The SF-CIS will integrate easily into your existing tank, pump, and electrical system.


    Allows operational visibility into critical and expensive processes
    Verifies and records when chemical injection is working to specifications
    Uses tank level monitoring to accurately verify when refill is needed
    Provides a wireless interface for monitoring conditions at the injection site, updating parameters as necessary
    Allows direct access to controller data from your SCADA system via Modbus

    Maximum Operating Pressure: Up to 1,450 psi
    Maximum Operating Temperature: -40�F to 176�F (-40�C to 80�C)
    Power: 10-30 VDC
    Data Interface: SignalFire Wireless Radio or RS485 Modbus RTU
    Motor Control: Up to 12A at 12/24 VDC
    Internal Diagnostics: Supply voltage, signal strength, error conditions
    Radio Frequency: 902-928 MHz ISM band, 300mW FHSS radio, Antenna included with wireless option
  • Field Monitor Display
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    Local display of data from network sensors
    Math functions for tank volume calculations
    Feet and inch conversion
    30 pages of display information each with 11 lines of data
    Internal Long life battery pack
    Rugged design for demanding outdoor environments
    300mW radio with high gain antenna
    Range up to 3 miles
    Simple to install and maintain

    The Field Monitor Display provides in-field access and display of any data without the need for a laptop computer or other visual I/O device.


    In-field readout of any Gateway data
    Battery powered display
    Perfect for local display of tank levels or other field data
    perating Temperature: -40 to 70�C
    Humidity: 0 � 100% condensing
    Power: 3 X D lithium battery pack, field replaceable.
    Battery Life: 2�5 years depending on reporting frequency
    Data Interface: SignalFire toolkit configuration utility
    Radio Power: 300 mW
    Antenna Type: External weather resistant, omni-directional
    Antenna Gain: 5dB
    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 64 separate networks
    Enclosure: NEMA 4X rated
    Internal Diagnostics: Battery voltage, signal strength, error conditions
  • Tank Level Float Stick System
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    Available with flexible or rigid magnetostrictive level probe with single or dual floats
    for level and interface measurements
    Integrated temperature sensor to measure fluid temperature
    Class 1 Division 1 intrinsically safe
    Rugged design for demanding outdoor environments
    Up to 1/2 mile range
    1� NPT mounting interface
    Automatically configures as a star or mesh network

    The SignalFire Tank Level Float Stick System consists of a magnetostrictive level probe mated with a Sentinel wireless node which creates a wireless link between the sensor and the Gateway. The Sentinel will take level and temperature readings, and send the data (via the SignalFire wireless mesh network) to the Gateway where the data is available via a Modbus RTU or TCP interface. The system is powered by internal lithium batteries or optional C1D1 rated solar package. Sensor data along with node-diagnostic information is available at the Gateway.

    Operating Temp: -40�C to 60�C
    Power: 3 X D Lithium battery pack. Field replaceable. Class 1 Division 1 certified.
    Battery Life: 1 min. check-in: 5+ years, 5 min. check-in: 10+ years
    Data Interface: Wireless � Modbus data available at GW
    Reported Values: Product level, interface level, temperature, status.
    Data Update Rate: User selectable � 5 seconds to 1 hour
    Radio Power: 40 mW
    Antenna Type: Internal weather resistant, omnidirectional.
    Receive Sensitivity: -109 dB
    Frequency: 902-928 MHz, FHSS license-free ISM band, FCC part 15 compliant.
    Networks: Up to 65520 separate network
    Diagnostics: Battery voltage, signal strength, error conditions, Faults
    Range: Up to 1/2 mile

    Level Probe

    Measurement resolution: 0.0001�
    Repeatability: Equal to Resolution
    Linearity: � 0.01% of span or � 0.039�, whichever is greater.
    Material: Flexible: PVDF. Rigid: 316 Stainless
    Dead Band: Flexible: 6�-17� depending on sensor length. Rigid: 2�
    Length: Flexible: 65� to 600�. Rigid: 20� to 288�. Available in 1� increments
  • Wireless IO Module
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    4 Analog inputs (0-20mA or 0-5V)
    4 Analog outputs (0-20mA or 0-5V)
    2 Digital inputs
    2 Relay outputs (1 DPDT, 1 SPDT)
    Powerful 300 mW radio with antenna kit
    Wide range DC power input. 10 to 30VDC
    DIN Rail Mount with pluggable screw terminal blocks
    Status LEDs
    Class 1 Division 2 Certified, Groups C&D, Temperature Code T5. Certified to CSA C22.2 No. 213, Conforms to ISA 12.12.01
    Point to Point I/O Mirroring Configuration:

    The analog/digital inputs on one module can be replicated on the other module (and vice versa)-ideal for stand alone valve control or simple retrofit applications.
    SignalFire Remote Node Configuration:
    Operates as a remote node with a standard SignalFire Gateway. All IO data is available at the Gateway as Modbus registers. Supports Modbus writes to control the analog and relay outputs.
    The SignalFire Wireless I/O Module acts as a wire replacement that replicates analog and digital signals over a wireless link between a pair of Wireless I/O Modules. The modules are DIN rail mounted and designed to be easy to use.
    The Wireless I/O Modules can also be used with a standard SignalFire Gateway.
    Operating Temp: -40�C to 80�C
    Power: 10-30 VDC (25mA average @12V no relays energized, additional 15mA max for each energized relay, plus any analog output current)
    Analog Inputs: 0-10V max, 0-24 mA max
    Analog Outputs: 0-20 mA, 0-5 Volts
    Digital Inputs: Dry contact or 30 volts max (push-pull)
    Radio Frequency: 902-928 MHz ISM band, FHSS radio, SMA connector
    Relay Outputs: 2A, 60W
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