User Manual
EE381
Page 14
7. Technical Data
Measurands
Water activity
Measuring range
0...1 aw
Accuracy incl. hysteresis and non-linearity
1)
±0.02 aw (0...0.9 aw) ±0.03 aw (0.9...1 aw)
Temperature dependence aw:
±(0.00022 + 0.0002 x aw) x ∆T [°C] ∆T = T - 20 °C
T:
±0.0003 °C/°C
Response time t
90
in still oil at 20 °C (68 °F), typ.
10 min
Temperature
Oil temperature
40...120 °C (-40...248 °F)
Accuracy
Outputs
Two freely selectable and scaleable
0 - 1 V / 0 - 5 V / 0 - 10 V
2)
-1 mA < I
L
< 1 mA
analogue outputs for aw, T or x [ppm]
4 - 20 mA / 0 - 20 mA, 3-wire
R
L
< 500 Ohm
2)
R
L
= load resistance
90 100 110 120
∆
°C
°C
