1.1Using the Magnetic Flowmeter Safely
WARNING
(1) Installation
•Installation of the magnetic flowmeter must be performed by expert engineer or skilled person- nel. No operator shall be permitted to perform procedures relating to installation.
•The magnetic flowmeter is a heavy instrument. Be careful that no damage is caused to person- nel through accidentally dropping it, or by exerting excessive force on the magnetic flowmeter. When moving the magnetic flowme- ter, always use a trolley and have at least two people carry it.
•When the magnetic flowmeter is processing hot fluids, the instrument itself may become ex- tremely hot. Take sufficient care not to get burnt.
•Where the fluid being processed is a toxic substance, avoid contact with the fluid and avoid inhaling any residual gas, even after the instrument has been taken off the piping line for maintenance and so forth.
•Do not apply excessive weight, for example, a person sttepping on the magnetic flowmeter.
•All procedures relating to installation must
comply with the electrical code of the country where it is used.
(2) Wiring
•The wiring of the magnetic flowmeter must be performed by expert engineer or skilled person- nel. No operator shall be permitted to perform procedures relating to wiring.
•When connecting the wiring, check that the supply voltage is within the range of the voltage specified for this instrument before connecting the power cable. In addition, check that no voltage is applied to the power cable before connecting the wiring.
•The protective grounding must be connected securely at the terminal with the 
mark to
avoid danger to personnel.
(3) Operation
•Do not open the cover until the power has been off for at least 10 minutes. Only expert engi- neer or skilled personnel are permitted to open the cover.
1. INTRODUCTION
(4) Maintenance
•Maintenance on the magnetic flowmeter should be performed by expert engineer or skilled personnel. No operator shall be permitted to perform any operations relating to maintenance.
•Always conform to maintenance procedures outlined in this manual. If necessary, contact Yokogawa.
•Care should be taken to prevent the build up of dirt, dust or other substances on the display panel glass or data plate. If these surfaces do get dirty, wipe them clean with a soft dry cloth.
1.2 Warranty
•The terms of this instrument that are guaranteed are described in the quotation. We will make any repairs that may become necessary during the guaranteed term free of charge.
•Please contact our sales office if this instrument requires repair.
•If the instrument is faulty, contact us with concrete details about the problem and the length of time it has been faulty, and state the model and serial number. We would appreciate the inclusion of drawings or additional information.
•The results of our examination will determine whether the meter will be repaired free of charge or on an
The guarantee will not apply in the following cases:
•Damage due to negligence or insufficient mainte- nance on the part of the customer.
•Problems or damage resulting from handling, operation or storage that violates the intended use and specifications.
•Problems that result from using or performing maintenance on the instrument in a location that does not comply with the installation location specified by Yokogawa.
•Problems or damage resulting from repairs or modifications not performed by Yokogawa or someone authorized by Yokogawa.
•Problems or damage resulting from inappropriate reinstallation after delivery.
•Problems or damage resulting from disasters such as fires, earthquakes, storms, floods, or lightning strikes and external causes.
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