Revision: 3.0.3
5
Operating Instructions
5.1
System Normal Identificati
Press the
keys. If the letter "*R
If the letter "G" is displayed, it indicates that
means system normal. Only when the adjustm
abnormal.
Letter "I" indicates no signal is being detected.
transducers are installed firmly, etc.
5.2
Zero Set Calibration
Once zero flow occurs, a zero point may indi
value is not equal to "0", this value indicates
better the quality is. Conversely, if the Zero i
If the zero set point is not at true zero flow, a
measurement capacity is, the larger the meas
point reduced to a definite degree, as compar
difference from zero point be ignored.
For an ultrasonic Flowmeter, the measuremen
necessary to perform a static zero set calibrati
Press Window M42 to set the Zero, press
corner reducing to be "0". If this is carried ou
restore settings.
5.3
Scale Factor
Scale factor refers to the ratio between "actua
and is 2.00, and it is indicated as 1.98 on the
best scale factor constant is 1.
However, it is difficult to keep the scale facto
difference is called "consistency".
During operation, there still exists possible d
when used on different pipes. Thus, scale fac
that result from application on different pipes
calibration. The scale factor can be input in W
5.4
System Lock
System lock is readable but not modifiable to p
unauthorized personnel.
Press the
keys, if displays "U
long password, and then press the
key
Unlock it by using the selected password onl
press the
key and enter the correct pass
Keep the password in mind or recorded in a s
Menu
0
8
En
Menu
4
7
Enter
Enter
D116 Series Ultrason
cation
*R" displays on the screen, it indicates system normal.
hat system is adjusting the signal gain prior to the measu
stment takes too long without stopping, can system be iden
ected. Check the transducer wiring connections are correc
ndicate on each measuring instrument, but the displayed
es "Zero". To any measuring instrument, the smaller the
o is too big, that indicates the quality of the instrument i
, a measurement difference may occur. The smaller the ph
easurement difference from the zero point will exist. Onl
pared with the physical measurement capacity, can the m
ent difference from zero point cannot be ignored at low
ration to improve low flow measurement accuracy.
first, and then wait the readings displayed at the lo
ed out with flow, the flow will be displayed as "0", M43 can he
tual value" and "reading value". For example, when the
he instrument, the scale factor reading is 2/1.98. This mean
ctor as "1" on the instrument especially in batch producti
e difference in pipe parameters, etc. The "scale factor" m
factor calibration is specially designed for calibrating the d
pes. The scale factor entered must be one that results fro
n Window M45.
to prevent operation error due to unauthorized tampering
"Unlock" on the screen, then press the
key, enter
key to confirm.
nly. Press
, if "lock" is displayed on the s
password, then press
to confirm.
n a safe place, otherwise the instrument cannot be used.
Enter
Enter
Menu
4
7
Enter
sonic Flowmeter
Page 19 of 53
al.
surement. Also, it
be identified as
rrect, the
ed measuring
the "Zero" is, the
t is poor.
he physical
nly when zero
he measuring
ow flow. It is
he lower right
43 can help to
he measurement
means that the
oductions. The
may be necessary
ng the differences
from actual
ring by
er 6 numerically
screen, then