Vaisala DRYCAP DMT345 Guia do Utilizador descarregar pdf (Página 144)

USER'S GUIDE____________________________________________________________________

144 _________________________________________________________________ M210762EN-D

Table 36 Dewpoint Specifications DMT346

Property Description / Value

Sensor Vaisala DRYCAP®180S

Measurement range -25 … +100 °C (-13 … +212 °F) T

Accuracy ±2 °C (±3.6 °F) T

See the accuracy graph in Figure 73

below

Response time 63% [90%] flow rate

1l/min and 1 bar pressure

from dry to wet 5s [10 s]

from wet to dry including auto-

calibration 45s [5 min]

0604-022

Figure 73 Dewpoint Measurement Accuracy Graph DMT346

Table 37 Mixing Ratio Specifications DMT346

Property Description / Value

Measurement range (typical) 0 ... 1000 g/kg (0 … 7000 gr/lbs)

Accuracy ±12 % of reading

Table 38 Operating Environment Specifications (Both Models)

Property Description / Value

Mechanical durability

Probes Up to +180 °C (+356 °F) for DMT345

Up to +350 °C (+662 °F) for DMT346

for transmitter body -40 ... +60 °C (-40 ... +140 °F)

with display 0 ... +60 °C (32 … +140 °F)

Storage temperature range -55 ... +80 °C (-67…+176 °F)

Pressure range for probes Slight pressure difference (~ 200

mbar)

Measured gases Noncorrosive gases

1 2 ... 139 140 141 142 143 144 145 146 147 148 149 ... 156 157

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Vaisala DRYCAP DMT345 Guia do Utilizador Página 144