4
IMPORTANT
Please read the entire manual thoroughly before using the
instrument or attempting any service or repair work. The
instructions in this manual are intended to be performed by
qualified instrumentation or technical personnel only. This
manual should be kept with the instrument or in a place of
safe keeping at all times, as it contains pertinent information
for operation and maintenance. Additional manuals can be
ordered through Customer Service. If additional assistance is
needed, contact our Customer Service Staff at:
Ashcroft
Inc.
250 East Main Street
Stratford, CT 06614-5145, USA
Tel:
203-378-8281
Fax:
203-385-0402
email: [email protected]
Please be sure to include instrument model number and serial
number in all correspondence to assure proper identification.
Ashcroft Inc. does not recommend trouble-shooting or repairs
beyond the scope of this manual. Problems which cannot be
remedied by following the instructions in this manual should
be referred to the manufacturer. Immediate assistance can
often be supplied by telephone. Defective components will
be repaired or replaced by the manufacturer at his discretion.
Repaired products will be returned to the user by the same
mode of shipment. Airmail and air express is recommended for
urgent shipments.
Electronic pressure instruments must be selected in accor-
dance with industry codes and safety practices to avoid the
possibility of misuse or misapplication which could result in
personal injury or property damage. Personnel responsible
for selection and installation should also be familiar with the
safety recommendations of ASME B40.1, that apply to elastic
pressure elements and their application in general and specific
services. ANSI B40.1 is available from:
ASME
345 East 47th Street
New York, NY 10017
Pressure – Select a range so that the maximum applied pres-
sure will never exceed the upper range limit.
Vibration – Excessive vibration could cause loosening of
components resulting in loss of instrument accu-
racy or failure to provide valid data.
Pulsation – Excessive pressure pulsation could result in
fatigue failure of the pressure element.
Temperature – Operation of the instrument in an environment
where temperatures are in excess of design rat-
ings may result in loss of accuracy and failure.
Process – Pressure boundary materials must be resistant to
the process media. Failure to assure compatibility
may result in pressure sensing element deteriora-
tion or failure. Instruments used on high pressure
gas, or potentially hazardous service, such as
oxygen should be carefully selected in accordance
with the recommendations of ANSI B40.1.
Hazardous Location – Only approved explosion proof or intrin-
sically safe instruments should be used in hazard-
ous locations.
Electro-Magnetic Interference – Instruments should not be
used
in locations where EMI/RFI conditions exceed
design ratings, to avoid erroneous performance.
PURPOSE AND SCOPE
OF
MANUAL
SAFETY
PRECAUTIONS:
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