# model.getSensor(sensor)

Get Telemetry Sensor parameters

@status current Introduced in 2.3.0

## Parameters

* `sensor` (unsigned number) sensor number (use 0 for sensor 1)

## Return value

* `nil` requested sensor does not exist
* `table` with sensor data:
* `type` (number) 0 = custom, 1 = calculated
* `name` (string) Name
* `unit` (number) See list of units in the appendix of the OpenTX Lua Reference Guide
* `prec` (number) Number of decimals
* `id` (number) Only custom sensors
* `instance` (number) Only custom sensors
* `formula` (number) Only calculated sensors. 0 = Add etc. see list of formula choices in Companion popup