34-SM-03-01
Page 13
Zero Temperature Effect per 28°C
(50°F)
• Applies for model with Stainless Steel
barrier diaphragms
In Analog Mode: ±0.125% of calibrated span.
For URV below reference point (50 psi), effect equals:
±0.025 ± 0.10
()
50 psi
span psi
or ±0.025 ± 0.10
()
3.5 bar
span bar
in % span.
In Digital Mode: ±0.10% of calibrated span.
For URV below reference point (50 psi), effect equals:
±0.10
()
50 psi
span psi
or ±0.10
()
3.5 bar
span bar
in % span.
Combined Zero and Span Temperature
Effect per 28°C (50°F)
• Applies for model with Stainless Steel
barrier diaphragms
In Analog Mode: ±0.2625% of calibrated span.
For URV below reference point (50 psi), effect equals:
±0.1625 ± 0.10
()
50 psi
span psi
or ±0.1625 ± 0.10
()
3.5 bar
span bar
in % span.
In Digital Mode: ±0.225% of calibrated span.
For URV below reference point (50 psi), effect equals:
±0.125 ± 0.10
()
50 psi
span psi
or ±0.125 ± 0.10
()
3.5 bar
span bar
in % span.
Stability (At Reference Conditions)
±0.125% of URL per year.
Damping Time Constant
Adjustable from 0 to 32 seconds digital damping.
Performance Under Rated Conditions - Absolute Pressure Measurement - SMA125
Parameter Description
Upper Range Limit (URL)
750 psia (52 bara)
Turndown Ratio
150 to 1
Minimum Span
5 psia (0.3 bara)
Zero Suppression
No limit (except minimum span) from absolute zero to 100% URL.
Specifications valid over this range.
Accuracy (Reference – Includes com-
bined effects of linearity, hysteresis, and
repeatability)
• Applies for model with Stainless Steel
barrier diaphragms
• Accuracy includes residual error after
averaging successive readings.
In Analog Mode: ±0.10% of calibrated span or upper range value (URV),
whichever is greater - Terminal based.
For URV below reference point (20 psi), accuracy equals:
±0.025 ± 0.075
()
20 psi
span psi
or ±0.025 ± 0.075
()
1.4 bar
span bar
in % span.
In Digital Mode: ±0.075% of calibrated span or upper range value (URV),
whichever is greater, - Terminal based.
For URV below reference point (20 psi), accuracy equals:
±0.0125 ± 0.0625
()
20 psi
span psi
or ±0.0125 ± 0.0625
()
1.4 bar
span bar
in % span.
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