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Document that the unit of statistics is normalized (#1079)

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Erik Montnemery 2021-10-11 15:59:53 +02:00 committed by GitHub
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docs/core/entity/sensor.md
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@ -32,8 +32,8 @@ If specifying a device class, your sensor entity will need to also return the co
| carbon_monoxide | ppm | parts per million of carbon monoxide concentration
| current | A | Current.
| date | ISO8601 | Date.
| energy | Wh,kWh | Energy.
| gas | m³/ft³ | Volume of gas.
| energy | Wh, kWh | Energy. Statistics will be stored in kWh.
| gas | m³, ft³ | Volume of gas. Statistics will be stored in m³.
| humidity | % | % of humidity in the air.
| illuminance | lx/lm | Light level.
| monetary | ISO 4217 | Monetary value with a currency
@ -44,12 +44,12 @@ If specifying a device class, your sensor entity will need to also return the co
| pm1 | µg/m³ | Concentration of particulate matter less than 1 micrometer |
| pm25 | µg/m³ | Concentration of particulate matter less than 2.5 micrometers |
| pm10 | µg/m³ | Concentration of particulate matter less than 10 micrometers |
| power | W,kW | Power.
| power | W, kW | Power. Statistics will be stored in W.
| power_factor | % | Power Factor.
| pressure | hPa,mbar | Pressure.
| signal_strength | dB/dBm | Signal strength.
| pressure | bar, hPa, inHg, mbar, Pa, psi | Pressure. Statistics will be stored in kWh.
| signal_strength | dB, dBm | Signal strength.
| sulphur_dioxide | µg/m³ | Concentration of sulphure dioxide |
| temperature | °C/°F | Temperature.
| temperature | °C, °F | Temperature. Statistics will be stored in °C.
| timestamp | ISO8601 | Timestamp.
| volatile_organic_compounds | µg/m³ | Concentration of volatile organic compounds.
| voltage | V | Voltage.
@ -67,8 +67,10 @@ If specifying a device class, your sensor entity will need to also return the co
Home Assistant has support for storing sensors as long-term statistics if the entity has
the right properties. To opt-in for statistics, the sensor must have
`state_class` set to one of the valid state classes: `measurement` or
`state_class` set to one of the valid state classes: `measurement`, `total` or
`total_increasing`.
For certain device classes, the unit of the statistics is normalized to for example make
it possible to plot several sensors in a single graph.
### Value entities - entities not representing a total amount