UP/1B Calculator
BusinessReference

UP/1B Calculator

Little App Company · released 22 Apr 2026 · Open in App Store ↗

Revenue 30d not estimated
Downloads 30d not estimated
Rating 5.00 5 reviews

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RatingPrice
United Kingdom100%55.00£8.99 $12.17

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Description

UP/1B Calculator is a step-by-step guide and calculation tool for Gas Safe registered engineers carrying out installation pipework tightness testing to IGEM/UP/1B Edition 4.

The app guides you through every stage of the tightness test procedure:

Installation Volume Test (IVt) — calculates the correct test pressure and acceptable pressure drop for the installation size

Let-By Test — checks for meter regulator let-by

Tightness Test — records pressure readings and determines pass or fail

LDF Check — guides leak detection fluid testing of all disturbed joints

Purge — calculates purge volume for safe gas release

PDF Record — generates a professional gas tightness test record ready to save or share

Designed specifically for natural gas, LPG and LPG/Air in accordance with IGEM/UP/1B Edition 4.

All test records are saved to your account and sync across devices.

For use by Gas Safe registered engineers only.