Sentinel
Intrinsically Safe Modules for Hazardous Areas
Interfaces Available
HART
Analog
Digital
Modbus
Turbine
Thermocouple
RTD
Features
Powers sensor and radio for years with an internal battery
Class 1 Division 1 Intrinsically safe system
Optional Class 1 Division 1 solar module with integrated charger,
battery panel, and mounting bracket
Costs less than 60ft of installed conduit
Rugged design for demanding outdoor environments
Up to 1/2 mile range
Sensor independent
1/2” NPT conduit interface
Automatically configures as a star or mesh network
Simple to install and Maintain
Technical Specifications
Operating Temp: -40ºC to 60ºC
Humidity: 0% – 100% condensing
Power: 3 X D Lithium battery pack. Field replaceable. Class 1 Division 1 certified when used with SignalFire system. In situ
replacement does not require a work ticket. Optional Class1 Division 1 solar/battery module.
Sensor Power: True wireless: powers both the radio system and the sensor/transmitter. User configurable for 18 and 12.5V. Barriers and external power not required.
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. 5 seconds to 1 hour, typical.
Supported Sensor Interfaces: HART, 4-20 mA current loop, 1-5 Volt, Digital input (state, counter, totals, frequency), RS-485/Modbus, Thermocouple and RTD temperature sensors.
Radio Power: 40 mW
Receive Sensitivity: -109 dB
Radio Frequency: 902–928 MHz, FHSS, license-free ISM. Band Compliant with FCC Part 15.
Range: Up to 1/2 mile
Networks: Up to 65,520 separate networks.
Intrinsically Safe: Class 1 Division 1, Temp Code T3, Groups C&D. Conforms to UL Std. 913, Certified to Can/CSA Std C22.2 No. 157
Internal Diagnostics: Battery voltage, signal strength, error conditions.