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Resources

Security Cameras Overview - Learn the basics on security cameras and security surveillance systems.
Glossary of Terms - contains the most common terms

Lens Field of View Calculator

Instructions:

Select the lens format you are using. Enter any 2 of the 3 other pieces of information. Press the "Calculate" button to get the missing piece of information.
(Press the "Reset" button to clear the form and start over.)
Select lens format:  1/4 inch
1/3 inch
1/2 inch
2/3 inch
1 inch

Enter distance to object (in feet):   1
Enter width of picture (in feet): or  2
Enter height of picture (in feet):  2
Enter size of lens (in millimeters):  3


Wire Gauge Calculator

This calculator is for 24 volt equipment only
 

Enter the watts or voltamps of the equipment you want to power then click calculate to determine the maximum distance you can go
using a 24 volt transformer.

Watts or Volt Amps:

22 gauge:
20 gauge:
18 gauge:
16 gauge:
14 gauge:
12 gauge:
10 gauge:


Voltage Calculator

Enter any two values and press calculate to get the remaining value:

Volts
Watts (vA)
Amps

Voltage Drop Calculator

Select the supply voltage, enter the current in AMPS and enter the distance in FEET to determine the voltage at the end of the copper cable.
Supply Voltage:
Current (AMPS):
Distance (FEET):
Gauge (AWG)End Voltage
10:
12:
14:
16:
18:
20:
22:
24: