1-1
IM 01F06A00-01E
1. HANDLING PRECAUTIONS
1. HANDLING PRECAUTIONS
The Model DY Vortex Flowmeter and Model DYA Vortex
Flow Converter are thoroughly tested at the factory before
shipment. When these instruments are delivered, perform a
visual check to ascertain that no damage occurred during
shipment.
This section describes important cautions in handling these
instruments. Read carefully before using them.
If you have any problems or questions, contact your nearest
YOKOGAWA service center or sales representative.
1.1 Model and Specifications
The model and important specifications are indicated on the
data plate attached to the case. Verify that they are the same
as those specified in the original order, referring to paragraph
9.2 to 9.5. In any correspondence, always give model
(MODEL), serial number (NO) and calibrated range
(RANGE) from the data plate.
F010101.EPS
*1): K factor at 15
°
C
*2): The product - producing country.
TAG NO.
4 ~ 20mA DC / PULSE
MPa at 38
°
C
10.5 ~ 42V DC
3UA
3U
A
*1)
*2)
Figure 1.1(a) Example of Name Plate for Integral Type
F010102.EPS
TAG NO.
4 ~ 20mA DC / PULSE
3YA
TAG NO.
3WA
10.5 ~ 42V DC
MPa at 38
°
C
Figure 1.1(b) Example of Name Plate for Remote Type
1.2 Precautions Regarding
Transportation and Storage
Location
To protect against accidental damage to digitalYEWFLO
while transporting it to a new location, pack it in the original
packing as when shipped from the Yokogawa factory.
WARNING
The Vortex Flowmeter is a heavy instrument. Please
be careful to prevent persons from injuring when it is
handled.
Deterioration in insulation or corrosion can occur for
unexpected reasons if digitalYEWFLO is left uninstalled for
a prolonged period after delivery. If digitalYEWFLO is likely
to be stored over a prolonged period, observe the following
precautions.
■
Store the vortex flowmeter with forwarded statement.
■
Choose a storage location that satisfies the following
requirements:
• Not exposed to rain or splashwater.
• Less susceptible to mechanical vibration or shock.
• Kept within the temperature and humidity ranges shown
in the following table, preferably at normal temperature
and humidity (approximately 25
°
C, 65%)
Temperature
Humidity
–40
°
C to +80
°
C
5 to 100% (no condensation)
T010201.EPS
1.3 Precautions Regarding In-
stallation Locations
(1) Ambient Temperature
Avoid an area which has wide temperature variations.
When the installation area is subjected to heat radiation
from process plant, ensure adequate heat prevention or
ventilation.
(2) Atmospheric Conditions
Avoid installing the vortex flowmeter in a corrosive
atmosphere. When the vortex flowmeter must be
installed in a corrosive atmosphere, adequate ventilation
must be provided.
