KROHNE ALTOSONIC III EN User Manual
Page 17
Installation and operating instructions
17 ALTOSONIC
III
3.01.01
FULL SCALE
Full-scale value for 100% volume and flow rate units (see Function 1.01.01). The selection of units may
be limited to SI units only.
m³/s, m³/min, m³/hr, L/s, L/min, L/hr,
US Gal/s, US Gal/min, US Gal/hr, bbls/hr, bbls/day,
********** (free user configurable unit).
3.01.02
ZERO VALUE
Zero value (see Function 1.01.02)
FIXED (factory zero setting)
MEASURED (zero calibration possible, see Function 3.01.03)
3.01.03
ZERO CAL
Zero calibration (see Function 1.01.03)
Carry out only at “zero” flow and with completely filled measuring tube. Duration approximately 15s with
display indicating "BUSY". STORE NO (preserve old zero value)
STORE YES (store new zero value)
3.01.04
MASTER TC
Master time constant of display and current output (see Function 1.01.04)
Range: 0.02 through 99.99 s
3.01.05
LF CUTOFF
Low-flow cut-off for display and outputs (see 1.01.05)
NO (fixed tripping points: ON = 0.1%, OFF = 0.2%)
YES (see Function 3.01.06 and 3.01.07)
3.01.06
CUTOFF ON
Cut off “active” value
Range: 1 through 19% of Q100%
3.01.07
CUTOFF OFF
Cut off “de-active” value
Range: 2 through 20% of Q100%
Value "off" must be greater than value "on"
3.01.08
METER SIZE
Meter size
Selection of size from meter size table: 25-3000 mm equivalent to 1-120 inch
3.01.09
GK VALUE
Flow sensor constant (GK)
Must equal flow sensor type plate value
Range: 0.02 through 20
3.01.10
FLOW DIR
Definition of forward flow direction
POSITIVE
NEGATIVE
Setting in accordance with direction of arrow on flow sensor
3.01.11
MIN VOS
Minimum velocity of sound (VOS)
Value used for I0% or P0% when function "VOS" selected in Function 3.04.01 or 3.05.01
Unit: m/s or feet/s
Range: 0 through 4999 m/s (0 through 15000 feet/s)
3.01.12
MAX VOS
Maximum velocity of sound
Value used for I100% or P100% when function "VOS" selected in Function 3.04.01 or 3.05.01
Unit: m/s or feet/s
Range:1 through 4999 m/s (0 through 15000 feet/s)
Maximum value must be greater than minimum value
3.02.00 VERSION
Submenu
3.02.00
Version
3.02.01
FUNCTION
Function of converter
CUSTODY. This is factory set and can not be changed.
3.03.00
DISPLAY
Submenu 3.03.00 Display (see Function 1.02.01)
3.03.01
DISP FLOW
Display of flow
RATE (full-scale units)
Percent (percentage of full-scale, 0% - 100%)
NO DISPLAY (no flow display)
3.03.06
VOS
Unit for Velocity Of Sound
NO DISPLAY, m/s, feet/s
3.03.07
CYCL DISP
Cyclic display of measured values
NO, YES
3.03.08
ERROR MSG
Display error messages
NO, YES
3.03.11
SIGN LEVEL
Display signal level
NO, YES
3.04.00 CURR
OUTP
Submenu 3.04.00 Current output
3.04.01 FUNCTION
Function of current output
OFF (switched off)
ACT FLOW (actual flow)
F/R IND (forward/reverse indication of actual flow)
VOS (velocity of sound, range is defined in Function 3.01.11 and 3.01.12)
GAIN (sensor signal gain, range is 0 dBV through 100 dBV)
3.04.02
DIRECTION
Direction of current output
FORWARD (forward flow measurement)