title: Using rtd-sensor description: Everyday rtd-sensor usage: temperature and resistance conversion, range handling, sensitivity, batch conversion, model discovery, and model selection.

Using rtd-sensor

The simplest rtd-sensor workflow is:

RTD resistance in ohms → RTD model → temperature in °C

The reverse direction is equally useful when simulating, testing, or predicting what a sensor should read:

temperature in °C → RTD model → expected resistance in ohms

The pages in this section cover the package features most users need first.

• Installation — install on Python 3.11+ and understand package/import naming.
• Temperature ↔ resistance — scalar conversion in both directions.
• Valid ranges and errors — what happens at boundaries and with invalid input.
• Sensitivity — understand how much resistance changes per degree and vice versa.
• Batch conversion — convert ordered iterables without NumPy.
• Discovering built-in models — inspect verified model IDs and metadata.
• Choosing the right model — decide between a built-in, characterized, custom, fitted, or tabulated model.
• Migrating from pt100-core — update historical package names and imports.