6
OPERATION
46
H250
www.krohne.com
04/2009 - 4000269302 MA H250-R02
6.3 Overview of the most important functions and indicators
M10 flow units
M10 flow units
M10 flow units
M10 flow units
INFORMATION!
For a complete list of all functions and short descriptions refer to Menu explanations on page
51
. All default parameters and settings are adapted for the specific customer.
Level Designation
Explanation
1.4
TIME CONST.
Time constant, damping value [s]
1.5.2
ERROR
Error indicator
Yes: Error messages are deleted
No: Error messages are suppressed.
2.1
4-20mA OUT
Check current output
2.2 -
2.4
OUTPUT B
Check switching outputs and RESET input
3.1
LANGUAGE
Select the menu language
3.13.1
FLOW RATE
Maximum flow rate
The value set is represented by a 20 mA analogue current output.
If the current value exceeds the preset value, an alarm is indicated.
Table 6-4: The most important functions
Measured
variables
Units
Measured
products
Volume
m
3
/s
m
3
/min
m
3
/h
m
3
/d
Liquids,
vapours, gases
L/s
L/min
L/h
-
ft
3
/s
ft
3
/min
ft
3
/h
ft
3
/d
gal/s
gal/min
gal/h
gal/d
bb/s
bb/min
bb/h
bb/d
ImpGal/s
ImpGal/min
ImpGal/h
ImpGal/d
Mass
g/s
g/min
g/h
-
Liquids,
vapours, gases
kg/s
kg/min
kg/h
kg/d
-
t/min
t/h
t/d
lb/s
lb/min
lb/h
-
-
short t/min
short t/h
short t/d
-
-
long t/h
long t/d
MA_H250_R02_en_PRT.book Page 46 Tuesday, September 22, 2009 12:26 PM