KROHNE GFM 700 EN - Manual (Page 9)

9
Local display 3-field LCD
Display function
actual flowrate, measurement of sound velocity to determine (compo-
sition of) liquid product, forward, reverse and sum totalizer (7-digit) and
status messages; each can be set for continuous or sequential display
Units: actual flowrate m 3 , liter, US gallons per second, minute or hour,
or in user-defined unit, e.g. liter/h or US gallon/day
totalizer m 3 , liter, US gallons or in user-defined unit, e.g. hecto liter or US million
gallon (min. 1 year overflow time)
Language of plain texts English, French, German, Dutch, other on request
Display 1st line (top) 8-character, 7-segment numeral and sign display,
and symbols for key acknowledgement
2nd line (middle) 10-character, 14-segment text display
3rd line (bottom) 5 markers to identify display in measuring mode
Housing
Material
die-cast aluminium with polyurethane finish
Protection category IP 67 (IEC 529 / EN 60529) equivalent to NEMA 4 and 4X
Signal cable only for remote systems (F) length up to 10 m / 30 ft (max. 20 m / 60 ft, option)
4.4 Environmental conditions
In accordance with EN IEC 61010-1 the following enviromental conditions have to be observed .
The GFM 700 is designed to operate safe under the following conditions:
a)
suitable for indoor and outdoor use, the housing of the signal converter is usable up to Protection Category IP67
b) IP 67 is only warranted when using suitable cabling in the cable glands
c) use up to an altitude of 2000 m above see level
d) suitable for an operation ambient temperature range - 40 …. +60 °C
e) suitable for an storage temperature range -40 …. + 80 °C
f) suitable for use in atmospheres with a relative humidity up op 80%
g) mains supply voltage fluctuations up to + 13 % of the nominal voltage range
h) withstands over voltages up to category II on the main supply voltage ( IEC 60364-4-443)
i) connected to protective earth conductor ( Protection Class I)
j) rated pollution degree 2