IM 1E7B0-02E
2-1
2. HANDLING PRECAUTIONS
2.
HANDLING PRECAUTIONS
This instrument has been already tested thoroughly at
the factory. When the instrument is delivered, please
check externals and make sure that no damage
occurred during transportation.
In this chapter, handling precautions are described.
Please read this chapter thoroughly at first. And please
refer to the relative matter about other ones.
If you have any problems or questions, please make
contact with Yokogawa sales office.
2.1 Checking Model and
Specifications
The model and specifications are shown on the Data
Plate. Please confirm the specifications between the
instrument that was delivered and the purchase order
(refer to the chapter 10. Outline).
Please let us know Model and Serial No. when making
contact with Yokogawa sales office.
MAGNETIC FLOW DETECTOR
Made In Japan
MODEL
SUFFIX
PULSE
OUTPUT
LINING
MATERIAL
ELECTRODE
MATERIAL
ACCURACY
RATING
FLUID TEMP.
FLUID PRESS.
AMB.TEMP.
NO.
STYLE
SIZE
METER
FACTOR
SUPPLY
FULL SCALE
CURRENT
OUTPUT
mm
VDC 0.2Amax
(JIS B7554)
°
C MAX. (SEE IM)
+60
°
C MAX. (SEE IM)
-0.1 MPa MIN. (SEE IM)
L
H
VDC 12.5W
VAC 47-63Hz 36VA 12.5W
mA
(0-750
Ω
)
IM: User’s Manual
N200
Figure 2.1
Data Plate
2.2 Accessories
When the instrument is delivered, please make sure
that the following accessories are in the package.
Spare fuse can be applied only to this product.
• Fuse (250V,2A time lag) : 1-piece
*The spare fuse is taped to the converter.
• Data sheet : 1-sheet
• Unit labels : 1-sheet
• Centering device (for wafer type) : 1-set
• Plug (for DC power supply only) : 1-piece
• Hexagonal wrench : 1-piece
(for special screw of hazardous duty type converter.)
2.3 Storage Precautions
In case the instrument is expected to be stored over a
long term, please give attention to the followings;
• The instrument should be stored in its original
packing condition.
• The storage location should be selected according to
the following conditions:
1) The location where it is not exposed to rain or
water.
2) The location where there is few vibration or
shock.
3) Temperature and humidity should be:
Temperature: –20 to 60˚C (–4 to 140˚F)
Humidity: 5 to 80% RH (no condensation)
Preferable ambient temperature and humidity
are 25˚C(77˚F) and about 65% RH.
2.4 Installation Location
Precautions
Please select the installation location considering the
following items to ensure long term stable operation of
the flow tube.
• Ambient Temperature:
Please avoid to install the instrument at the location
where temperature changes continuously. If the
location receives radiant heat from the plant, provide
heat insulation or improve ventilation.
• Atmospheric Condition:
Please avoid to install the instrument in an corrosive
atmosphere. In case of installing in the corrosive
atmosphere, please keep ventilating sufficiently and
prevent rain from entering the conduit.
• Vibration or shock:
Please avoid to install the instrument at the location
where there is heavy vibration or shock.
2.5 Converter Reorienta-
tion Precautions
Please do not change the converter orientation at the
customer’s site. If the converter reorientation is
required, please contact Yokogawa office or service
center.
