Max Zs Values

Max Zs Values

500 - 1,000 downloads

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Maximum Zs Values
Calculates maximum permitted Zs values to BS 7671 17th edition for BS and BS EN devices, MCB's, RCBO's, Fuses and Manufacturer Specific Device values, specific values for RCD's in TT earthing systems, LV, REC Ze values....100% and 80% temperature adjusted values.


+ BS EN Devices Zs values Calculator
+ Manufacturer specific device Zs values
+ REC Ze values
+ Calculate Zs values from known la ratings
+ Max Zs values for RCD's for TT earthing systems
+ 55 Volts single phase Zs values calculator
+ 63.5 Volts three phase Zs values calculator
+ RCD/RCBO Zs values calculator
+ BS fuses Zs values
+ 100% values
+ Temperature adjusted values
+ BS7671 17th edition Zs values
+ Zs values for 230v

A professional max Zs values and earth fault loop impedance values calculator app for Android.

A handy app to have for checking and verifying measured Zs values when completing electrical certificates and testing certificates.

For use on tablets and phones.

Tags: maximum zs permitted by bs 7671, maximum zs permitted on 7.5 mcb, showing values, tnc-s earthing system ze and zs values, max ze values for earthing systems, 17th edition maximum zs values, why is the max measured zs 80% of the max permitted, max zs values pro certs software ltd, zs calculator, maximum bs 7671 zs.

Recently changed in this version

1.0 - First release
1.1 - More manufacturer specific devices added
1.2 - UI updated
1.3 - Screen size adjustment to support Orange Stockholm
1.4 - UI updated + support for all screen sizes
1.5 - Landscape and Portrait Orientations

Comments and ratings for Max Zs Values
  • (77 stars)

    by clive gordon on 21/01/2014

    Very usefull app

  • (77 stars)

    by A Google User on 12/10/2012

    Really good app use it nearly every day when I'm filling in test sheets

  • (77 stars)

    by DaveR on 14/05/2012

    I have been using this app at work and it's proved useful. Keep the apps coming, adiabatic calc would be useful and eventually a suite of apps. Well done

  • (77 stars)

    by Peter on 14/05/2012

    Support is second to none :)

  • (77 stars)

    by John on 20/04/2012

    Great app easy to use and less heavy than a book.