Type Ptsda Absolute Pressure Transmitter Specifications - ABB Platinum standard Series Product Instruction

INTRODUCTION

Type PTSDA Absolute Pressure Transmitter Specifications

Table 1-7. Type PTSDA Absolute Pressure Transmitter Specifications
Property
Measurement range, Lower range value (zero) and upper range value (100%) can be calibrated at any
turndown ratio, zero value of pressure, provided that:
suppression, and zero 1. Their algebraic difference (the calibrated span) corresponds to an
elevation
2. Both are within the following acceptable limits.
PTSDAD
PTSDAF
Reference accuracy - This value is for transmitters with zero based spans, silicone oil fill, and
per IEC 770 and SAMA Hastelloy C-276 isolating diaphragms at a reference temperature of 25°C (77°F).
PMC 31.1 The reference accuracy includes the effects of linearity, hysteresis, repeatability,
and deadband.
±0.20% of span or ±
Stability per 12-month ±0.2% of URL at reference conditions.
period
Pressure limits The minimum pressure for all types is 3.4 kPa absolute (14.0 in. H
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 20,000 kPa (2,900 psi)
NACE
Ambient temperature This value is for transmitters with zero based spans, silicone oil fill, and
effect on zero and span 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.
SPECIFICATIONS
1 - 16
Table 1-7 lists the specifications unique to Type PTSDA abso-
lute pressure transmitters.
authorized TDR.
International System Units
Type Range Limits (kPa)
Upper Lower
PTSDAD 90 0
PTSDAF 500 0
Range Limits
Type (in. H O)
2
Upper Lower
360 0
—
75 0
×
0.016 URL
------------------------------- -
Span
Characteristic/Value
Span and Turndown Ratio (TDR)
Nominal (kPa) Minimum (kPa)
90 1:1 TDR 4.5 20:1 TDR
500 1:1 TDR 25 20:1 TDR
American Units
Span and Turndown Ratio (TDR)
Nominal Minimum
(in. H O) (in. H
2
360 1:1 TDR 18 20:1 TDR
(psia)
75 1:1 TDR 3.8 20:1 TDR
(% of span), whichever is greater.
O)
2
O absolute or
2
WBPEEUI110504A0