Welcome to I/E Bible
The ultimate field reference and calculator suite for instrumentation and electrical technicians. Built by professionals, for professionals — available on iOS, Android, and the web.
Click on your desired platform
What is I/E Bible?
I/E Bible is a comprehensive field reference app designed for instrumentation, electrical, and analyzer professionals working in refineries, petrochemical plants, and industrial facilities — on-site and offline.
For Instrumentation Professionals
Built for instrument techs and I/E specialists working on pressure, temperature, flow, and level measurement in process plants.
- DP transmitter calibration and 5-point charting tools
- RTD and thermocouple reference tables with color codes
- Wet leg / dry leg DP level LRV & URV calculators
- HART protocol wiring guides, fault codes, and glossary
- Rosemount 3051CD range tables and I/O descriptions
- Troubleshooting guides for pressure, temperature, flow & level loops
For Electrical Professionals
A practical toolkit for electricians and I/E techs handling motors, conduit, and control circuits to NEC standards.
- NEC wire load, conduit fill, and breaker trip calculators
- Voltage drop and 3-phase power calculators
- Motor wiring, overload, and FLA reference guides
- VFD basics, contactor/relay, and latching circuit references
- Hazardous location classifications and grounding guides
- Start/stop stations, aux contacts, and control transformer refs
For Analyzer Professionals
Reference and troubleshooting support for process analyzer technicians maintaining pH, conductivity, and gas systems.
- pH meter calibration, slope, and buffer reference guides
- Conductivity and ORP meter setup and troubleshooting
- Turbidity and density meter field references
- Trace O2 analyzer operation and maintenance guides
- Gas detection calibration and sensor reference data
- Coriolis, Magmeter, and Radar level meter reference modules
Contact Us
Questions? Reach us at iebibleapp@gmail.com or use the form below.