Sentinel
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

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