Max Zs Values for iOS

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Developer’s Description

Calculate maximum permitted Zs values (earth loop impedance) as per BS7671, also includes temperature adjusted values.Using the picker wheel select...

Calculate maximum permitted Zs values (earth loop impedance) as per BS7671, also includes temperature adjusted values.Using the picker wheel select the protective device (fuse's, MCB's, RCBO's) and device rating to calculate the maximum permitted Zs value for your selected device.RESULTS CALCULATE:+ BS7671 Amendment 3 2015 values+ BS EN device's+ Fuse's+ MCB's+ RCBO's+ RCD's+ Ze + R1+R2 = Zs+ 100% values+ 80% values+ 0.4 second disconnection times+ 0.2 second disconnection times+ 5 second disconnection times Search for 'Pro Certs Software' in the app store for our other electrical apps designed for the electrical industry aimed at electricians and electrical engineers. Follow us on twitter (ProCerts) or facebook (Electrical Apps by Pro Certs Software) to keep up to date with our latest app developments, news and special offers.http://www.electrician-apps.comhttp://www.procertssoftware.com