Vaisala Drycap DMT152, Руководство пользователя

Страница: 63 / 72

De
w point t
emper
atur
e (°C)
-40
-20 0
20
20
-60
-80
0
10
30
-10
-20
-30
-50
-40
-70
-10 -30 10
30
40 50 60 70
-90
-100
Temperature of measured gas (°C)
Area not recommended
for continuous measurement
Accuracy not specified
Accuracy
±3 °C Td
Accuracy
±2 °C Td
Accuracy not specified
Figure 17 Accuracy Over Temperature Range
Table 39 Operating Environment
Property Description/Value
Temperature −40 … +70 °C (−40 … +158 °F)
Relative humidity 0 … 100 %RH (up to +20 °C / +68 °F)
Pressure 0 … 50 bar (725 psi
a
)
Measured gases Non-corrosive gases
Sample flow rate No effect on measurement accuracy
EMC compliance EN61326-1, Industrial environment
Table 40 Inputs and Outputs
Property Description/Value
Two analog outputs (scalable) 4 … 20 mA, 0 … 20 mA (3-wire) 0 … 5 V, 0 … 10 V
Digital output RS-485 (2-wire)
Alarm-level indication by analog signal User selectable
Purge information 5 V, 10 V, 20 mA, or LED
Accuracy of analog outputs ±0.01 V / ±0.01 mA
ON/OFF Output Available Instead of 2nd Analog Output
Purge inactive 0 V or 4 mA
Purge active 5 V, 10 V, or 20 mA
OR exceeded T
d
or ppm limit User selectable
Chapter 8 – Technical Data
61