Michell Instruments SF82 Series, Руководство пользователя

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SF82 Transmitter User’s Manual
iii Michell Instruments
Safety
The manufacturer has designed this equipment to be safe when operated using the procedures
detailed in this manual. The user must not use this equipment for any other purpose than that
stated. Do not apply values greater than the maximum value stated.
This manual contains operating and safety instructions, which must be followed to ensure the
safe operation and to maintain the equipment in a safe condition. The safety instructions are
either warnings or cautions issued to protect the user and the equipment from injury or damage.
Use competent personnel using good engineering practice for all procedures in this manual.
Electrical Safety
This instrument is designed to be electrically safe when used with the options and accessories
supplied by Michell Instruments for use with it. This instrument has been independently verified
as complying with the IEC/EN 61010 Standard for Electrical Safety for Europe and for the
equivalent 61010 standards in use in N. America. The instrument is approved for use within the
operating temperature range of -40°C to +60°C, and dependant on version, as being IP66/65.
See Specification section for full details.
Pressure Safety
DO NOT permit pressures greater than the safe working pressure to be applied to the instrument.
The specified safe working pressure is 45 MPag (450 barg / 6500 psig). Refer to the Technical
Specifications in Appendix A.
Toxic Materials
The use of hazardous materials in the construction of this instrument has been minimized. During
normal operation it is not possible for the user to come into contact with any hazardous substance
which might be employed in the construction of the instrument. Care should, however, be
exercised during maintenance and the disposal of certain parts.
Repair and Maintenance
The instrument must be maintained either by the manufacturer or an accredited service agent.
For Michell Instruments’ contact information please go to www.michell.com.
Calibration
The recommended calibration interval for this instrument is 12 months unless it is to be used in
a mission-critical application or in a dirty or contaminated environment in which case the
calibration interval should be reduced accordingly. The instrument should be returned to the
manufacturer, Michell Instruments Ltd., or one of their accredited service agents for re-
calibration.