IM 1E10C1-E
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.
MODEL
SUFFIX
STYLE
SUPPLY
CURRENT
OUTPUT
PULSE
OUTPUT
AMB.TEMP.
ENCLOSURE
TAG NO.
NO.
4 - 20mA
(600
Ω
max.)
30V DC 0.2Amax.
–20 to +60
°
C
IP67
VDC 11Wmax.
VAC~47 to 63Hz 11Wmax.
MAGNETIC FLOW
CONVERTER
Made in Japan
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.
• Data sheet (1-sheet)
• Mounting hardware
• Hexagonal wrench 1-piece (for special screw of
converter)
• Unit labels
• Plug 1-piece (only for DC power supply version)
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 flowmeter.
• 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 Cleaning Precautions
Care should be taken to prevent the buildup of dirt,
dust or other material on the display glass. Such
buildup may interfere with the operation of
programming keys.
