Instruction Manual
IM 11M12D01-61E
<1. INTRODUCTION>
1-2
- Use of the product in question in a location not conforming to the standards specied by
Yokogawa, or due to improper maintenance of the installation location.
- Failure or damage due to modication or repair by any party except Yokogawa or an
approved representative of Yokogawa.
- Malfunction or damage from improper relocation of the product in question after delivery.
- Reason of force majeure such as res, earthquakes, storms/oods, thunder/lightening, or
other natural disasters, or disturbances, riots, warfare, or radioactive contamination.
In wiring, please conrm voltages between the power supply and the instrument before
connecting the power cables. And also, please conrm that the cables are not powered before
connecting.
n Safe Use of This Product
For the safety of the operator and to protect the instrument and the system, please be sure to
follow this manual’s safety instructions when handling this instrument. If these instructions are not
heeded, the protection provided by this instrument may be impaired. In this case, Yokogawa
cannot guarantee that the instrument can be safely operated. Please pay special attention to the
following points:
(a) Installation
• This instrument may only be installed by an engineer or technician who has an expert
knowledge of this device. Operators are not allowed to carry out installation unless they
meet this condition.
• When removing the instrument from a hazardous process, avoid contact with the uid and
the interior of the meter.
• All installation work shall comply with local installation requirements and the local electrical
code.
(b) Wiring
• The instrument must be installed by an engineer or technician who has an expert knowledge
of this instrument. Operators are not permitted to carry out wiring unless they meet this
condition.
• Before connecting the power cables, please conrm that there is no current owing through
the cables and that the power supply to the instrument is switched off.
(c) Maintenance
• Please carry out only the maintenance procedures described in this manual. If you require
further assistance, please contact the nearest Yokogawa ofce.
• Care should be taken to prevent the build up of dust or other materials on the display glass
and the name plate. To clean these surfaces, use a soft, dry cloth.
(d) Modication
• Yokogawa will not be liable for malfunctions or damage resulting from any modication
made to this instrument by the customer.
WARNING