The national fire alarm code recommends testing the battery s load voltage discharge and seal on semi annual and annual basis.
Fire alarm battery load test.
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Also note that you will need to move the positive test lead to the amp test lead port as shown in the pictures below.
The current you see displayed is the nominal charging current being output to the battery it should appear as a negative number if you ve connected everything properly.
If no number shows in this screen upon attaching the clips the battery will not test and can.
Using a well designed accurate and reliable battery tester makes all the difference in knowing exactly how well the battery and your fire alarm system is working.
Load testing can be by any means of an artificial load equal to the full fire alarm load connected to the battery.
The fire alarm trouble indication should clear and the system should appear normal in all respects.
That s why we have created this handy tool to help you find out which battery size is correct for the fire alarm you are fitting the calculations used are correct and up to date to comply with british standards bs5839.
Replace the battery or conduct a load test of the battery.
Discharge test annually with the battery charger disconnected load test the batteries following the manufacturers recommendations.
Turn off the circuit disconnect means to the fire alarm system.
In order to measure the load or current of a fire alarm circuit we must place the multi meter test leads in series with the circuit to be read.
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This is very important as it is impossible to do otherwise.
Load test the battery based on the manufacturer s specifications for a discharge rate of 3 hours or more by applying the current indicated for the selected hourly discharge rate continuously until the terminal voltage decreases to the end voltage specified by the manufacturer.
Verify the voltage level does not fall below the levels specified.
Fire alarm panel battery load testing date.