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Wind Chill
Basis:
Derived from ambient air temperature and instantaneous
wind speed
Index:
US National Weather Service Wind Chill Index (adopted
November 2001, and valid for air temperatures below 50°F)
Note: by definition, above +50°F(+10°C), the Wind Chill
Temperature is identical to the ambient air temperature
Resolution:
1°F¹ (0.1°C¹), 0.1°F² (0.1°C)²
Range:
-99°F to +50°F (-72°C to +10°C) See note above
Accuracy:
+ 1°F (+ 0.5°C)
Data:
Current¹·², Today's Low w/time occurred (since 12:00am)¹·²,
Daily Lows w/time occurred¹·² (each of previous 7 days), and
Long Term Low w/time occurred¹·² (since user reset)
Indoor Temperature
Type:
Precision aged Thermistor, located inside keyboard/display
Resolution:
1°F¹ (0.1°C¹), 0.1°F² (0.1°C)²
Range:
32°F to +110°F (0°C to 43°C)
Accuracy:
+ 1°F (+ 0.5°C)
Data:
Current¹·², Today's High and Low w/time occurred (since
12:00am)¹· ², Daily Highs and Lows w/time occurred¹·² (each
of previous 7 days), and Long Term Highs and Lows w/time
occurred¹· ² (since user reset)
Barometric Pressure (nur ULTIMETER 2100)
Type:
Precision electronic absolute pressure transducer, located
within keyboard/display unit
Resolution:
0.1 hPa/mbar, 0.1 inHg 0.1 mmHg
Range:
931.3 to 1067.0 hPa/mbar, 27.5 to 31.5 inHg
698.5 to 800.0 mmHg
Accuracy:
+ 1.7 hPa/mbar, + 0.05 inHg, + 1.3 mmHg (at room
temperature)
Data:
Current¹·², 3 -hr Change¹· ², Daily High/Low¹·² (8 days),
Long-Term High/Low¹· ²
¹Data displayed in keyboard LCD
²Data available in RS232 Output
¹ · ²Data displayed in LCD and available in RS232 Output
Rain Gauge, PRO (optional sensor)
Type:
Drop-counting electronic rain gauge, 3.2"dia (8.1cm) funnel
Resolution:
0.001 inches (.025mm), 0.01 inch (.25mm) increments
Range:
0.00 to 199.99 inches (0.00 to 1999.9mm) accumulation
Accuracy:
+ 5%, at rain rates up to 10" (254mm) per hour
Data:
Today's Rainfall (since 12:00am)¹·², 3-hr Change¹· ², Daily
Rainfall¹·² (each of previous 7 days), and Long Term
Rainfall¹·² (since user reset)
Units:
inches, millim eters
Cable:
40 ft., 4-conductor w/modular plug termination
Rain Gauge, TB (optional sensor)
Type:
Electronic Tipping Bucket rain gauge, US NWS compliant
8"dia (20.3cm) funnel
Resolution:
0.01 inch (.25mm) increments
Range:
0.00 to 199.99 inches (0.00 to 1999.9mm) accumulation
Accuracy:
+ 1.5%, at rain rates up to 0.5" (13mm) per hour
+ 5%, at rain rates up to 5" (127mm) per hour
Data:
Today's Rainfall (since 12:00am)¹·², 3-hr Change¹· ², Daily
Rainfall¹·² (each of previous 7 days), and Long Term
Rainfall¹·² (since user reset)
Units:
inches, millimeters
Cable:
40 ft., 4-conductor w/modular plug termination
Rain Gauge, Other (optional sensor)
Type:
Other manufacturers' rain gauges can be interfaced
Increments:
0.1", 0.01", 2.5mm, .25mm, 0.1mm (user selectable to
match rain gauge increments)
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