Performance Under Rated Conditions * - Model STR14A
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| Upper Range Limit ** | psia | 500 |
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| bar absolute | 35 |
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| Minimum Span | psia | 5 |
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| bar absolute | 0.35 |
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| Turndown Ratio |
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| 100 to 1 |
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| Zero Elevation and Suppression |
| No limit except minimum span from 0 to 100% URL. | ||||||||||
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| Accuracy (Reference – Includes |
| In Analog Mode: ±0.1% of calibrated span or upper range value (URV), whichever is | ||||||||||
| combined effects of linearity, |
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| hysteresis, and repeatability) |
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| For URV below reference point (20 psi), accuracy equals: | |||||||||
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| • Accuracy includes residual error |
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| 20 psi |
| 1.4 bar | ||||||
| after averaging successive |
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| ±0.05 + 0.05 ( |
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| span psi | span bar | |||||||||
| readings. |
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| In Digital Mode: ±0.075% of calibrated span or upper range value (URV), whichever is | |||||||||
| • For FOUNDATION Fieldbus use |
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| Digital Mode specifications. For |
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| For URV below reference point (20 psi), accuracy equals: | |||||||||||
| HART use Analog Mode |
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| specifications. |
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| 20 psi |
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| 1.4 bar | ||||
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| ±0.025 + 0.05 ( |
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| span psi | span bar | ||||||||
*Performance specifications are based on reference conditions of 25°C (77°F), zero (0) static pressure, 10 to 55% RH, and 316L Stainless Steel barrier diaphragm.
**Transmitter URL limit or maximum seal pressure rating, whichever is lower.
Performance Under Rated Conditions – General for all Models
Parameter | Description |
Output | Analog 4 to 20 mA or digital communications DE mode. Options available for |
| FOUNDATION Fieldbus and HART protocol. |
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Supply Voltage Effect | ±0.005% of span per volt. |
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Damping Time Constant | Adjustable from 0 to 32 seconds digital damping. |
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RFI Protection (Standard) | Negligible (20 to 1000 MHz at 30 volts per meter). |
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CE Conformity (Europe) | 89/336/EEC, Electromagnetic Compatibility (EMC) Directive. |
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NAMUR NE 43 Compliance | Transmitter failure information is generated when the measuring information is invalid or |
Option | no longer present. Failure information is transmitted as a current signal but outside the |
| normal |
| ≥ 21.0 mA. The normal signal range is ≥ 3.8 mA and ≤ 20.5 mA. |
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SIL 2/3 Compliance | SIL certified to IEC 61508 for |
| (single use) and for redundant (multiple) use in SIL 3 Safety Systems through |
| TÜV Nord Sys Tec GmbH & Co. KG under the following standards: |
| IEC |
