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Alarms

Detect Early, Alert Right Away.

A good alarm notices the open door, the broken glass, the smoke and the water on the floor. And it alerts the right person while there is still time to act.

In a few words

An alarm is a set of sensors connected to a control panel that alerts you when something goes out of the ordinary: a door that opens after hours, movement in a closed area, broken glass, smoke or a leak. The alert arrives through the app and the siren. ARX designs, installs and maintains it, dividing the space into zones.

Implementation: State of São Paulo: the capital, inland cities and the coastDesign and consulting: all of BrazilWe serve foreign companies that operate in Brazil

In your day

You use it every day and almost never notice.

A good alarm is one that stays quiet. You arm it when you leave, disarm it when you arrive and forget about it. It only speaks when it has something to say.

7:55 a.m., at the store

The manager disarms only the front.

The stockroom stays armed while the store opens. Each person uses their own code, and it is recorded who opened and at what time.

3:40 p.m., in the equipment room

Smoke is detected at the start.

A device overheated. The detector alerted the team through the app before anyone smelled anything.

11:50 p.m., at the display window

The glass breaks and the alert has already gone out.

The sensor recognized the sound of the glass before anyone set foot inside. The siren sounded and the person in charge was notified.

3:20 a.m., at home

The cat wanders and the alarm stays quiet.

The sensors were chosen and positioned with the household pet in mind. The family sleeps with the ground floor armed, with no needless scares.

When it fails

That's when everyone notices.

The three problems we find most often, where they come from and how we avoid them.

The alarm goes off for nothing and no one cares anymore.

Where it comes from

A sensor pointed at the window, at the air conditioner or at where the dog walks. After a few false alarms, people stop arming it.

How ARX avoids it

We choose the sensor type for each room and test them one by one. Some models send a photo of the trigger, and you check before rushing over.

Either it arms everything, or it arms nothing.

Where it comes from

The control panel was installed as a single block. Since there is always someone in some corner, the alarm stays off all week.

How ARX avoids it

We divide the space into zones that arm separately: the stockroom is protected with the store open, the ground floor with the family sleeping upstairs.

On the day it was needed, the battery had run out.

Where it comes from

Wireless sensors and control panels depend on batteries. Without testing and without alerts, the battery runs out silently and no one notices.

How ARX avoids it

We use control panels that monitor each sensor and alert you when the battery is low or communication drops. Replacement is part of the maintenance plan.

How ARX does it

Simple for you. Rigorous on the inside.

We walk the space with you

Where someone would enter, what has value, where there is a risk of fire or water. And which areas have different schedules.

You receive: the entry and risk points, in writing.

We divide it into zones

Each area arms and disarms separately, and each person has their own code. We define who is alerted by day, at night and on weekends.

You receive: the zone layout and the alert list.

We install with two paths

The control panel communicates over the internet and, if the model allows, over a cell phone SIM. If one goes down, the alert goes out through the other. The battery covers a power outage.

You receive: the alarm installed, with battery and backup path.

We test sensor by sensor

We open every door, walk through every room and sound the siren with you present. You learn to arm, disarm and read the alerts.

You receive: the test result for each sensor.

Equipment

What goes into your project.

Examples of what we install. The final choice depends on your space and your budget.

Wireless alarm panel, Ajax
AjaxWireless alarm panel

Connects intrusion, smoke and water sensors and alerts you through the app within seconds.

Motion sensor, Ajax
AjaxMotion sensor

Detects movement in the room. Some models send a photo of the trigger.

Smoke detector, Ajax
AjaxSmoke detector

Alerts at the start, while there is still time to act.

Alarm app, Ajax
AjaxAlarm app

Arm, disarm and receive alerts from wherever you are.

Wireless alarm control panel, Intelbras
IntelbrasWireless alarm panel

The brain of the alarm: it receives the sensors, separates the zones and alerts whoever needs to know.

Integrated alarm control panel, Ubiquiti UniFi
Ubiquiti UniFiIntegrated alarm control panel

An alarm in the same family as the cameras: the trigger and the image appear together.

Door and window sensor, Ubiquiti UniFi
Ubiquiti UniFiDoor and window sensor

Alerts when a door or window opens after hours.

Glass-break sensor, Ubiquiti UniFi
Ubiquiti UniFiGlass-break sensor

Picks up the sound of glass breaking before anyone gets in.

UbiquitiUniFi ProtectCameras, recording and video intelligence.

Brands

The right brand is the one that fits your project and your budget.

AjaxWhen the alarm is wireless and handles more than intrusion: smoke, leaks and a photo of the trigger in the app.
IntelbrasWhen the alarm will be connected to a monitoring company and local support in Brazil matters.
HikvisionWhen you want to verify the trigger with an image: some sensors send a short video clip along with the alert.
UbiquitiWhen cameras and network are already in the family: the trigger and the image appear together, in the same app.

What hardly anyone tells you

Before asking for a quote, it's worth knowing.

A smoke detector is not a fire system.

It alerts early and helps a lot. But the fire system required by the Fire Department has its own standard, design and control panel. One does not replace the other, and whoever sells alarms should say so.

Wireless doesn't mean fragile.

A good wireless control panel checks each sensor all the time and alerts you if one disappears or if someone tries to jam the signal. What is fragile is the kit without that supervision, which fails silently.

Installing and monitoring are different services.

ARX is a technology company: it designs, installs and maintains. Following alarm triggers remotely is a monitoring service, an activity regulated by law and authorized by the Federal Police. The alarm can alert only you or also one of those companies.

Questions and answers

Wired or wireless alarm: which to choose?

In a finished building, wireless avoids construction work. In new construction or a renovation, wired can make sense. Both protect well when the control panel monitors each sensor. The choice depends on the place, and often the design mixes both.

I have a dog and a cat. Will the alarm go off?

It shouldn't. There are motion sensors made to ignore animals up to a certain size, and positioning helps a lot. You can also protect only doors and windows and leave the interior free. At the visit, we ask about the pets in the home.

Does the alarm work without internet and without power?

The control panel has a battery for power outages. To alert you, it needs a path: internet, a cell phone SIM or both, depending on the model. That is why we prefer control panels with two paths. The on-site siren doesn't depend on the internet.

Can I arm just part of the house or the business?

Yes, and that is how an alarm stops getting in the way. The space is divided into zones: you arm the ground floor and sleep upstairs, or arm the stockroom with the store open. Each zone has its own sensors and codes.

Does ARX monitor the alarm?

No. ARX designs, installs and maintains the system. The alarm alerts you and the people you choose, through the app. If you want follow-up by a monitoring company, we leave the system ready to be connected to the company of your choice, depending on the model.

Does ARX install alarms in any city?

Installation, with an on-site team, is done in the State of São Paulo: the capital, the interior and the coast. Design, consulting and retrofit design, on the other hand, serve all of Brazil.

See all questions and answers

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Tell us what you want to solve. ARX replies clearly, with no obligation.

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