La Crosse Technology TX4U Specifications, Temperature measuring range, Relative humidity range

SPECIFICATIONS

Weather Center—recommended	32°F to 122°F (0°C to 50°C).
operating temperature:
LCD contrast:	16 levels (0-15).
Moon phase time span:	29 Dec. 98 to 10 Jan. 2020.
Temperature measuring range
Indoor:	14°F to 140°F with 0.2°F resolution.
	(-9.9°C to 59.9°C with 0.1°C resolution).
	“OFL” displayed if outside this range).
Outdoor:	-22°F to 140°F with 0.2°F resolution.
	(-29.9°C to 59.9°C with 0.1°C resolution).
	“OFL” displayed if outside this range.
Relative humidity range
Indoor/Outdoor:	20% to 95% with 1% resolution. Display
	“--.-” if outside this range.
Air pressure
Absolute hPa/inHg:	700 hPa to 1099 hPa.
	(20.67 inHg to 32.46 inHg).
Relative hPa (adjustable):	970 hPa to 1030 hPa.
Relative inHg (adjustable):	28.60 inHg to 30.45 inHg.
Sensitivity setting hPa:	1 hPa to 4 hPa.
Air pressure history:	For the past 24-hours (0, -1, -2, -3, -6, -
	12, -18, and –24).
Rainfall measurements
Rain quantity display:	0, 0.1, 0.3, 0.5, 1, 2, 3, 5, 10 inches or 0,
	1, 3, 5, 10, 20, 30, 50, 100 inches—scale
	change is automatic if rain greater than
	7-8 inches (178-203mm). (0, 1, 3, 5, 10,
	30, 50, 100 mm or 0, 10, 30, 50, 100, 300,
	500, 1000 mm).
Rain quantity history:	For the past 7 days, weeks, or months (0,
	-1, -2, -3, -4, -5, -6, and –7 in each case).
Data checking intervals
Indoor temperature:	Every 10 seconds.
Indoor humidity:	Every 10 seconds.
Outdoor temperature:	Every 10 seconds for the first 12 minutes,
	then every 5 minutes.
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