BUCHI KjelDigester K-449 - Manual (Page 18)

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3 Technical data
KjelDigester K-446/K-449 Operation Manual
Description K-446 K-449
Display 2 row LCD display 2 row LCD display
Resolution temperature display 1 °C 1 °C
Temperature range 30 – 450 °C 30 – 450 °C
Average temperature stability ±1 °C ±1 °C
Absolute temperature accuracy ±7 °C at 420 °C ±7 °C at 420 °C
3.2.1 Electrical system
Description K-446 K-449
Input voltage 220 – 240 V ±10 % 220 – 240 V ±10 %
Frequency 50 – 60 Hz 50 – 60 Hz
Power consumption max. 2300 W 2300 W
Output current, Scrubber 0.7 A 0.7 A
Fuse 2× T10 A/L250 V 2× T10 A/L250 V
3.2.2 Environmental conditions
Description K-446 K-449
Temperature 5 – 40 °C 5 – 40 °C
Altitude above sea level max. 2000 m 2000 m
Humidity Maximum relative humidity 80 % for temperatures
up to 31 °C, decreasing linearly to 50 % relative
humidity at 40 °C
Use For indoor use only