Verifi - Accuracy Record 與 Adiabatic Equation Calculator 使用情況與統計
Verifi, the intelligent test instrument accuracy record
To maintain confidence in the accuracy of all test instruments used for electrical installation testing, those responsible should put in place an effective system to confirm and record their continuing accuracy allowing remedial action to be taken without delay if any indication that an instrument is no longer accurate is noted.
- Unlimted test instruments
- Unlimited monthly checks
- Keep all test instruments and accuracy checks in one secure place.
- Automatic alert against variations against baseline readings
- Selectable tolerance of baseline reading variations, 10% 20% and 30%
- Option to send logbook(s) as secure PDF via email, AirPrint, message or social media as secure PDF
- Automatic monthly reminders when each instrument needs checking
Annual Verifi Subscription
12 month auto renewing subscription
Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase
Account will be charged for renewal within 24-hours prior to the end of the current period
- Apple App Store
- 免費版
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Adiabatic Equation for calculating the minimum cpc (circuit protective conductor) and earth minimum csa sizes of earthing conductors.
No need to remember the complex adiabatic formula with this adiabatic calculator app for iPhone and iPad..
Adiabatic Equation Calculator takes into account of the following:
t = Disconnection time (seconds)
k = Conductor k value (From BS 7671 tables)
la = Fault current (PEFC in Amps)
I² = la x la
Values of K are obtained from the tables within BS 7671:
- Table 54.2 : Conductor not incorporated in a cable and not bunched with cables.
- Table 54.3 : Conductor incorporated in a cable or bunched with cables.
- Table 54.4 : Sheath or armour of a cable.
- Table 54.5 : Steel conduit or trunking.
Disconnection times (t) are obtained from the maximum operating time/current characteristics tables within BS 7671:
- Fig 3A2 (a,b) : BS 3036 semi-enclosed fuse
- Fig 3A3 : (a,b) : BS 88-2.2
- Fig 3A4 : BS EN 60898 / 61009-1 MCB/RCBO type B
- Fig 3A5 : BS EN 60898 / 61009-1 MCB/RCBO type C
- Fig 3A6 : BS EN 60898 / 61009-1 MCB/RCBO type D
- BS 1361 Fuse
How to use the Adiabatic Equation App:
1) Input your voltage value
2) Input your Zs value
3) Select protective device
4) Select protective device rating
5) Select conductor type
6) Select conductor material
7) Tap calculate
Adiabatic Equation Calculator Software / App for iPhone and iPad.
Check out our collection of electrical apps for iPad & iPhone
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Verifi - Accuracy Record VS. 
Adiabatic Equation Calculator12月 11, 2024