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fix Celsius spelling #36

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Merged
merged 1 commit into from
Jun 21, 2022
Merged

fix Celsius spelling #36

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10 changes: 5 additions & 5 deletions adafruit_sgp30.py
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Original file line number Diff line number Diff line change
Expand Up @@ -169,16 +169,16 @@ def set_iaq_humidity(self, gramsPM3): # pylint: disable=invalid-name
buffer += arr
self._run_profile(["iaq_set_humidity", [0x20, 0x61] + buffer, 0, 0.01])

def set_iaq_relative_humidity(self, celcius, relative_humidity):
def set_iaq_relative_humidity(self, celsius, relative_humidity):
"""
Set the humidity in g/m3 for eCo2 and TVOC compensation algorithm.
The absolute humidity is calculated from the temperature and relative
humidity (as a percentage).
The absolute humidity is calculated from the temperature (Celsius)
and relative humidity (as a percentage).
"""
numerator = ((relative_humidity / 100) * 6.112) * exp(
(17.62 * celcius) / (243.12 + celcius)
(17.62 * celsius) / (243.12 + celsius)
)
denominator = 273.15 + celcius
denominator = 273.15 + celsius

humidity_grams_pm3 = 216.7 * (numerator / denominator)
self.set_iaq_humidity(humidity_grams_pm3)
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