Astar HT-3300 Especificaciones Pagina 136

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126
Reference Manual
00809-0100-4811, Rev DA
Appendix A: Reference Data
January 2015
Reference Data
A.2 Performance specification
A.2.1 General
Reference conditions
Twin lead probe, 77 °F (25 °C) water
Reference accuracy
± 0.2 in. (5 mm) for probes <16.4 ft. (5 m)
± 0.1% of measured distance for rigid probes >16.4 ft. (5 m)
± 0.15% of measured distance for flexible probes >16.4 ft. (5 m)
Repeatability
± 0.04 in. (1 mm)
Ambient temperature effect
Less than 0.01% of measured distance per °C
Update interval
1 per second
A.2.2 Measuring range
Transition zones
These zones are areas where measurements are non-linear or have reduced accuracy. If
measurements are desired at the very top of a tank, it is possible to mechanically extend the
nozzle and use a coaxial probe. The upper transition zone is then moved into the extension. See
Table A-3 on page 127.
Table A-2. Conditions Used for Flange Strength Calculations
Bolting material Gasket Flange material Hub material
ASME / ANSI SST SA193 B8M Class 2
Soft (1a) with min.
thickness 1.6 mm
SST A182
Gr. F316L and
EN 10222-5-1.4404
SST SA479M 316L
and
EN 10272-1.4404
EN, JIS
EN 1515-1/-2 group 13E0,
A4-70
Soft (EN 1514-1) with
min. thickness 1.6 mm
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