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Mains Sentry

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The Mains Sentry is intended to alert users to a failure of the Mains Electricity supply. It can be plugged into a standard UK 13 Amp socket and will warn the user of a mains power supply failure by 'beeping'.

The unit is ideal for checking that the power supply to your fridge or freezer has not been interrupted.

The product consists of two parts, an AC to DC Power Supply and a Sensor Head. The AC Power supply is plugged into a standard UK 13 Amp 3 pin socket and supplies +5 Volts to the Sensor Head, which is plugged into the top of AC Power Supply.

The Sensor Head has an internal battery (Ultra Capacitor) that is automatically re-charged when the unit is plugged into the mains socket and the mains power switched on. The internal battery takes about 30 minutes to fully charge and will support the Sensor Head during a power failure for a period of 2 to 3 hours.

There is a green LED indicator that shows when mains power is present. During a Power failure the unit makes a beeping sound when Mains Power Fails. When the power returns, the unit continues to beep until the Reset button is pressed. Thus, the user is alerted of a power failure even if the power has returned.

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About us

Xtronix Ltd, located near Reading, Berkshire in England, designs, develops, and manufactures information technology products. The innovative products created by Xtronix can be taken from the concept stage through prototyping, to final production.

Our Products & Services Include:

Embedded controller design and software specialising in Microchip PICs
Analogue and Digital hardware design to prototype and manufacturing stages
Hydrogen Fuel Cell Controllers and Systems
Internet/Ethernet Appliances
Serial RS232/422/485/interface
USB interface
CAN interface
I2C and SPI interfaces
Modbus
Power over Ethernet (PoE)
C Software for embedded controllers
Windows Applications written in Delphi
PCB design and prototyping

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Articles/Press Releases

14/03/2024 - Xtronix Ltd - Serial Data Comms on Microchip PIC 18Fxxx Series Processors
Xtronix Ltd have extensive experience of serial data communications using the Microchip PIC 18Fxxx series of microprocessors.
13/02/2024 - Xtronix Rapid Prototyping for Microchip PIC 18Fxxx Series Processors
Xtronix Ltd have developed a series of prototyping PCBs that allow rapid in-house development of embedded systems using the Microchip PIC 18Fxxx series of microprocessors.

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Company details for Xtronix Ltd

Xtronix Ltd

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Mains Sentry

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