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Performance Under Rated Conditions - Differential Pressure Measurement - SMA110
Parameter
Upper Range Limit
Turndown Ratio
Minimum Span
Zero Elevation and Suppression
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.
Zero Temperature Effect per 28°C
(50°F)
• Applies for model with Stainless Steel
barrier diaphragms
Combined Zero and Span Temperature
Effect per 28°C (50°F)
• Applies for model with Stainless Steel
barrier diaphragms
Stability (At Reference Conditions)
Damping Time Constant
SMV 3000 Specifications, continued
± 25 inH 2 O (62.5 mbar) at 39.2 °F (4 °C) standard reference temperature for
inches of water measurement range.
25 to 1
±1.0 inH 2 O (2.5 mbar)
No limit (except minimum span) with ±100% URL.
In Analog Mode: ±0.125% of calibrated span or upper range value (URV),
whichever is greater, - Terminal based.
For URV below reference point (10 inH 2 O), accuracy equals:
10 inH 2 O
±0.025 ± 0.1
span inH 2 O or ±0.025 ± 0.1
In Digital Mode: ±0.1% of calibrated span or upper range value (URV),
whichever is greater, - Terminal based.
For URV below reference point (10 inH 2 O), accuracy equals:
10 inH 2 O
± 0. 1
span inH 2 O or ± 0. 1
In Analog Mode: ±0.525% of calibrated span.
For URV below reference point (10 inH 2 O), effect equals:
10 inH 2 O
±0.025 ± 0.50
span inH 2 O or ±0.025 ±0.50
In Digital Mode: ±0.5% of calibrated span.
For URV below reference point (10 inH 2 O), effect equals:
10 inH 2 O
±0.50
span inH 2 O or ±0.50
In Analog Mode: ±0.675% of calibrated span.
For URV below reference point (10 inH 2 O), effect equals:
10 inH 2 O
±0.175 ± 0.50
span inH 2 O or ±0.175 ±0.50
In Digital Mode: ±0. 625% of calibrated span.
For URV below reference point (10 inH 2 O), effect equals:
10 inH 2 O
±0.125 ± 0.50
span inH 2 O or ±0.125 ±0.50
±1.0% of URL per year.
Adjustable for 0 to 32 seconds digital damping.
Description
(
(
)
25 mbar
span mbar
(
)
25 mbar
span mbar
34-SM-03-01
)
25 mbar
in % span.
span mbar
in % span.
(
)
25 mbar
in % span
span mbar
in % span.
(
)
25 mbar
in % span
span mbar
(
)
25 mbar
in % span
span mbar
Page 9
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