ABB Platinum standard Series, Инструкция по эксплуатации

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INTRODUCTION
SPECIFICATIONS
1 - 16 WBPEEUI110504A0
Type PTSDA Absolute Pressure Transmitter Specifications
Table 1-7 lists the specifications unique to Type PTSDA abso-
lute pressure transmitters.
Table 1-7. Type PTSDA Absolute Pressure Transmitter Specifications
Property Characteristic/Value
Measurement range,
turndown ratio, zero
suppression, and zero
elevation Lower range value (zero) and upper range value (100%) can be calibrated at any
value of pressure, provided that:
1. Their algebraic difference (the calibrated span) corresponds to an
authorized TDR.
2. Both are within the following acceptable limits.
Reference accuracy -
per IEC 770 and SAMA
PMC 31.1 This value is for transmitters with zero based spans, silicone oil fill, and
Hastelloy C-276 isolating diaphragms at a reference temperature of 25°C (77°F).
The reference accuracy includes the effects of linearity, hysteresis, repeatability,
and deadband.
±0.20% of span or ± (% of span), whichever is greater.
Stability per 12-month
period ±0.2% of URL at reference conditions.
Pressure limits The minimum pressure for all types is 3.4 kPa absolute (14.0 in. H
2
O absolute or
0.5 psia). The maximum overpressure depends on the type of bolting used to
maintain the transmitter flanges.
Carbon steel 25,000 kPa (3,625 psi)
Stainless steel and
NACE 20,000 kPa (2,900 psi)
Ambient temperature
effect on zero and span This value is for transmitters with zero based spans, silicone oil fill, and
Hastelloy C-276 isolating diaphragms.
The effects listed are for a variation of
±25°C (±45°F) from a calibration done at a temperature between -30° and +80°C
(-22° and +176°F), as long as the variation does not take the transmitter out of the
temperature specifications listed in Table
1-3 .
±(0.10% URL + 0.15% span)
Weight 4.3 kg (9.5 lbs) without options or accessories
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
Type
International System Units
Range Limits (kPa) Span and Turndown Ratio (TDR)
Upper Lower Nominal (kPa) Minimum (kPa)
PTSDAD 90 0 90 1:1 TDR 4.5 20:1 TDR
PTSDAF 500 0 500 1:1 TDR 25 20:1 TDR
Type
American Units
Range Limits
(in. H
2
O)
Span and Turndown Ratio (TDR)
Upper Lower
Nominal
(in. H
2
O)
Minimum
(in. H
2
O)
PTSDAD 360 0 360 1:1 TDR 18 20:1 TDR
— (psia)
PTSDAF 75 0 75 1:1 TDR 3.8 20:1 TDR
0.016
URL
×
Span
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