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1.0 General information and installation
Your Setra transducer has been carefully calibrated before shipment to you, and it should be
handled with the same care given any precision instrument. Pressure range and dimensions
are reported on the applicable specifications bulletin.
1.1 Ambient conditions
Do not submerge in liquids, use in ambient conditions corrosive to anodized aluminum,
subject to spray or dripping, or use in a high vibration environment. The transducer is very
slightly sensitive to acceleration in the pressure fitting axis (see applicable specifications
bulletin for acceleration response specifications). Installation is recommended in the vertical
position, with the pressure port downward. This position minimizes damage from drippage of
pressure system piping.
1.2 Installation of pressure fittings
Your transducer is designed for most accurate operation when subjected to pressures within
the designated pressure range. Refer to the catalog bulletin specifications for proof pressure
limits. Subjection to excessive pressure voids the warranty. DO NOT OVERPRESSURE.
Standard sealants such as Teflon pipe tape generally are satisfactory. For the most sensitive
pressure ranges, excessive high torquing of a metal pressure fitting may cause slight zero
shift which may be trimmed out using the zero adjustment. Use of a plastic fitting often
shows no noticeable zero shift. The torquing effect does not appreciably affect linearity or
sensitivity. The wrench flat on the 204 and 239 series should be used when installing the
positive pressure fitting.
3
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