Flexim FLUXUS G704, User Manual, Page: 170 / 257

170 UMG70XV3-4EN 12.01.2009
A Technical Data
Flowmeter
FLUXUS G704 G704 A2 G709
design standard field device field device for ATEX
zone 2 19 " module
measurement
measuring principle transit time difference correlation principle
flow velocity
0.01...35 m/s, pipe diameter dependent
repeatability 0.15 % of reading ±0.01 m/s
accuracy
- volume flow ± 1...3 % of reading ± 0.01 m/s depending on application
± 0.5 % of reading ± 0.01 m/s with field calibration
medium gases with a ratio of the characteristic acoustic impedances of pipe wall and
gas < 3000,
e.g. nitrogen, air, oxygen, hydrogen, argon, helium, ethylene, propane
flowmeter
power supply 100...240 V/50...60 Hz or
20...32 V DC
power consumption < 15 W
number of flow mea-
suring channels 1, option: 2
signal damping 0...100 s, adjustable
measuring cycle (1
channel) 100...1000 Hz
response time 1 s (1 channel), option: 70 ms
material aluminum, powder coated aluminum
degree of protection
according to
EN 60529 IP 65 IP 20
dimensions see dimensional drawing 42TE x 3HE
(without back panel)
see dimensional draw-
ing
weight 2.8 kg 1.7 kg
fixation wall mounting, option: 2 " pipe mounting 19 " rack mounting
operating tempera-
ture -10...+60 °C
display 2 x 16 characters, dot matrix, backlit
menu language English, German, French, Dutch, Spanish
explosion protection
ATEX zone - 2 -
marking - II 3G
Ex nA II T4
T
a
-20...+60 °C
II 3D Ex tD A22 IP66
T100 °C
-