RH520 V2.9 3/07 3
Specifications
Display Large, backlit graphical LCD
Temperature measurement range -20.0 to 140.0
o
F (-28 to 60
o
C)
Humidity measurement range 10 to 95%
Dew point temperature -20.0 to 140.0
o
F (-28 to 60
o
C)
Accuracy ±3.0% RH and 1.8
o
F (1
o
C) for temperature
Internal memory storage 49,152 complete reading sets
Sampling interval Selectable recording rate: 0.1 to 199.9 minutes
Graph scaling User selectable in 10
o
F, 5
o
C and 10% increments
Low battery indication 5-segment battery indicator
Power supply Three (3) ‘AA’ batteries and AC adaptor (included)
Battery life 4 weeks typical, using alkaline batteries
Operating Temperature CONTROL MODULE and DISPLAY:
32 to 120
o
F (0 to 50
o
C)
SENSOR: -20 to 140
o
F (-28 to 60
o
C)
Operating Humidity CONTROL MODULE and DISPLAY:
90% RH max.
SENSOR: 95% RH max.
Dimensions 5.0 x 7.7 x 0.9" (127 x 196 x 23mm)
Weight 12.6oz (357g)
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