Tech Tips: Alarm Testing
- October 21, 2020, 12:56 pm
It has recently been pointed out to me that ‘fault finding’ is becoming a lost art, especially when it comes to motion sensors. With this in mind here is a list of pointers that we...
It has recently been pointed out to me that ‘fault finding’ is becoming a lost art, especially when it comes to motion sensors. With this in mind here is a list of pointers that we...
I often get asked about the relationship between Volts, Amps, Ohms and Power so this week I thought I would cover just that. This relationship is defined by ohms law. The symbols and abbreviations...
One of the more common questions I get asked is what size power supply is needed for. Below is a list of common items and their approximate power requirements at 12v DC:- ***...
I have noticed recently a lot of confusion in relation to electric strikes, specifically which strike is needed for a specific application. This week I will discuss many of the options on electric strikes, and...
Last week I was asked by an experienced alarm tech on how he could get a door alarm to stay on until reset if a fire door was opened. He had thought about various modules...
As a follow up to the recent Tech Tip on what is required for a routine maintenance on an access control system I have been asked about the same thing for a CCTV system. As...
Once again we have had an instance of cards being duplicated. Some proximity cards were ordered from us with a specified site code and number range. When the tech went to the site to enrol,...
In general, domestic intercom installs are very easy; provided some basic rules are followed. Before you start cabling you must know what you are going to install. This is because different systems use a...
It has recently been pointed out to me that ‘fault finding’ is becoming a lost art, especially when it comes [...Read More]
I often get asked about the relationship between Volts, Amps, Ohms and Power so this week I thought I would [...Read More]
One of the more common questions I get asked is what size power supply is needed for. Below is [...Read More]