Specifications
Function
Range and Resolution
Accuracy
Humidity
0.0 to 100.0% RH
±3% RH (10 to 90%)
@ 23
°
C
Temperature (air)
-20 to 50
o
C (-4.0 to
122.0
o
F)
±1
o
C (±1.8
o
F)
Temperature
(external K)
-200 to 1370
o
C (-328 to
2498
o
F)
±(0.3% rdg + 1
o
C
(1.8
o
F))
Display
Triple LCD
Sensor Type
Humidity: Precision
capacitance sensor
Internal Temperature:
Thermistor
External Temperature: K-Type Thermocouple
Response Time
60 seconds typical
Dew Point
-68 to 50
o
C (-90.4 to 122.0
o
F) (calculated from RH
and Air temperature
measurements)
Wet Bulb
-21.6 to 50
o
C (-6.88 to 122.0
o
F) (calculated from
RH and Air
temperature measurements)
Low Battery
Indicator
Yes
Overrange
Indicator
E2 (air) E5 (T1), E8 (T2)
Underrange
Indicator
E3 (air), E6 (T1), E9 (T2)
Operating
Conditions
-20 to 50
o
C (-4 to 122
o
F); < 99% RH non-
condensing
Storage
Conditions
-40 to 85
o
C (-40 to 185
o
F); <99% RH non-
condensing
Power Supply
4 x 1.5V ‘AAA’ batteries
Battery Life
Approx. 300 hours
Dimensions /
Weight
230 x 57 x 44mm (9 x 2.2 x 1.7”); 153g (5.3 oz.)