ventus
Operating Manual V16/05.2016
30
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
15 Technical Data
Power supply:
24VDC ± 10%
12VDC if
no
heating is used
Current consumption and power input - sensor:
ca. 50mA / 1.2VA at 24VDC
Current consumption and power input with heating (metal):
ca. 10A / 240VA at 24VDC
Current consumption and power input with heating (plastics):
ca. 900mA / 21.6VA at 24VDC
Dimensions including mounting bracket:
Ø 150mm, height 170mm
Weight including mounting bracket, excluding connection cable:
ca. 1.62 kg (metal)
ca. 0,80 kg (plastics)
Fastening:
Pole with Ø 50mm
Protection class:
III (SELV)
Protection type:
IP66 (metal)
IP66 (plastics)
Storage conditions
Permissible storage temperature:
-55°C ... +80°C
Permissible relative humidity:
0 ... 95% RH
Non-condensing
Operating conditions
Permissible operating temperature: -40°C ... +60°C (with heating)
Permissible operating temperature: -20°C ... +60°C (without heating)
Permissible relative humidity:
0 ... 100% RH
Permissible altitude above sea level: N/A
RS485 interface, 2
1
or 4 wire, half
1
or full duplex
Data bits:
8
(SDI-12 mode: 7)
Stop bit:
1
Parity:
No
(SDI-12 mode: even)
Tri-state:
2 bits after stop bit edge
Adjustable baud rates:
1200, 2400, 4800, 9600, 14400, 19200
1
, 28800,
57600
(when entering SDI-
12 mode the circuit is switched to conform to the standard’s
requirements)
Analog interface circuits:
A: 0 or 4 - 20mA / 0 or 2
– 10V / 2 – 2000Hz
B: 0 or 4 - 20mA / 0 or 2
– 10V
Maximum load:
500
(in current mode)
Resolution:
16 bits
Channels:
Adjustable
Update rate:
250ms; 1-10 seconds
Housing:
Seawater-resistant aluminum AlMg3Si
1
Factory setting and baud rate for firmware update
