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Idiomas disponibles
Technical Data
Measurement Performance
Sensor
Sensor protection
Recommended calibration interval to
confirm the specified accuracy
Dew Point Temperature
Measurement range (typical)
1)
Accuracy in air or N2
60
50
40
30
20
10
0
-10
-20
-30
-40
Accuracy
-50
±3 °C Td*
-60
-70
-80
-90
-40
-30
-20
-10
Temperature of measured gas (°C)
* > 12 bar, accuracy ±4 °C Td
Analog output scalings:
Option 1
Option 2
Option 3
Response time 63 % [90 %] at +20 °C gas temperature and 1 bar pressure and
1 liter/min flow rate:
-70 → -20 °C T
(-94 → -4 °F T
d
-20 → -70 °C T
(-4 → -94 °F T
d
Water Concentration by Volume (ppm)
Measurement range (typical)
Accuracy at +20 °C (+68 °F), 1 bar
1)
When the dew point is below 0 °C (32 °F), the transmitter outputs frost point.
Operating Environment
Measured gases
1)
Temperature
Relative humidity
1)
Pressure
Sample flow rate
Storage temperature
1)
For extended temperature below 0 °C (+32 °F) or pressure above 20 bar
voltage must be 24 ... 28 VDC.
Vaisala DRYCAP
â
180D
Stainless steel sintered filter
2 years
-70 ... +60 °C (-94 ... +140 °F) T
±2 °C (±3.6 °F) T
(see graph below)
d
Not recommended for
continuous measurement
Accuracy
±2 °C Td
0
10
20
30
40
-80 ... +20 °C (-112 ... +68 °F) T
-80 ... +20 °C (-112 ... +68 °F) T
dew point at ambient pressure
Free scaling
)
5 s [15 s] (typical)
d
)
45 s [10 min] (typical)
d
10 ... 40 000 ppm
1 ppm + 20 % of reading
Non-corrosive gases
-40 ... +60 °C (-40 ... +140 °F)
0 ... 100 % RH
0 ... 50 bar
(725 psi
)
a
a
No effect for measurement accuracy
-40 ... +60 °C (-40 ... +140 °F)
(290 psi
) the supply
a
a
Inputs and Outputs
Analog output (scalable)
Resolution for current output
Resolution for voltage output
Accuracy for current output at +20 °C
Accuracy for voltage output at +20 °C
d
Operating voltage with digital output
Operating voltage with voltage output
Operating voltage with current output
Load for current output
Load for voltage output
Typical temperature dependence
Digital output
Supported protocols
Connector
Supply Current at +20 °C (Uin 24 VDC)
Normal measurement
50
60
During self-diagnostics
Mechanical Specifications
d
Mechanical connection
d
Housing material
Weight
Ø32 [1.26]
Dimensions in mm (inches)
4 ... 20 mA (3-wire), 0 ... 1 V / 5 V,
1 ... 5 V
0.002 mA
0.3 mV
±0.05 mA
±0.01 V
12 ... 28 VDC
12 ... 28 VDC
18 ... 28 VDC
Max. 500 Ω
Min. 10 kΩ
0.005 % of span/°C
RS-485, non-isolated
Vaisala Industrial Protocol
Modbus RTU protocol
4-pin M8 (IEC 60947-5-2)
10 mA + load current (typical)
220 mA pulsed (typical)
ISO G1/2" or NPT1/2"
Stainless steel (AISI316L)
G thread version 90 g (3.2 oz)
NPT thread version 100 g (3.5 oz)
57 [2.24]
91.6 [3.61]
49.1 [1.93]
91.6 [3.61]
AW24
G1/2" ISO228/1
22.5 [0.89]
AW30
NPT1/2"
22.5 [0.89]
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