# مرسل ضغط تفاضلي — DPT

> مرسل ضغط تفاضلي بدقة عالية وإشارات خرج متعددة، مناسب للاستخدامات الصناعية بما في ذلك صناعات العمليات والمواد الكيميائية والبتروكيماويات.

- رمز الكتالوج: dpt_20
- الطراز: DPT
- الفئة: قياس الضغط › Process transmitters
- صفحة المنتج: https://avigan.com.ua/wika/ar/products/dpt_20
- السعر: عند الطلب
- المورد: AVIGAN (TOV VIKA Prylad)، الشريك الرسمي لشركة WIKA في أوكرانيا

## نظرة عامة

الموديل DPT-20، مع إشارات الخرج 4 ... 20 mA، و4 ... 20 mA HART ®، أو FOUNDATION™ Fieldbus أو PROFIBUS ® PA، مجتمعةً مع السلامة الجوهرية أو ...

## التطبيقات

- Process engineering
- Chemical industry
- Petrochemical industry
- Food and beverage industry
- Machine building and plant construction

## المزايا

- High measurement accuracy
- Freely scalable measuring ranges
- Developed in accordance with the SIL 2 requirements
- Seven different case variants
- Configuration via DTM (Device Type Manager) in accordance with the FDT (Field Device Tool) concept (e.g. PACTware™)

## المواصفات الفنية

| المعيار | القيمة |
|---|---|
| model | DPT-20 |
| product family | DPT |
| short description | Differential pressure transmitter with high accuracy and multiple output signals, suitable for industrial applications including process, chemical, and petrochemical industries. |
| subcategory | Differential pressure transmitter |
| certifications | CE; NACE |
| explosion protection | intrinsic safety; flameproof enclosure |
| safety integrity level | SIL 2 (IEC 61508) |
| ambient temp | -40 … 85 °C |
| ip rating | IP65 |
| weight kg | 1.5 |
| languages in datasheet | en; de; es; fr |
| pressure ranges | -0.01 … 0.01 bar; -0.03 … 0.03 bar; -0.1 … 0.1 bar; -0.5 … 0.5 bar; -3 … 3 bar; -16 … 16 bar; -0.15 … 0.15 psi; -0.45 … 0.45 psi; -1.5 … 1.5 psi; -7.5 … 7.5 psi; -45 … 45 psi; -240 … 240 psi |
| accuracy class | See specifications by range |
| accuracy standard | IEC 62828, IEC 61298 |
| process connections | ½ NPT; ¼ NPT; G 1/2; M20x1.5 |
| case material | plastic; aluminium; stainless steel (316L) |
| wetted parts material | 316L; Hastelloy |
| sealing material | FKM; EPDM; FPM; NBR |
| process temp | -40 … 85 °C |
| output signal | 4-20 mA; 4-20 mA HART; FOUNDATION™ Fieldbus; PROFIBUS® PA |
| power supply | 10...30 V DC |
| electrical connection | M20 x 1.5 |

## جداول ورقة البيانات

### Accuracy specifications

| 1 | 2 | 3 |
|---|---|---|
| Measuring deviation determined using the limit point method IEC 62828/IEC 61298 1) |  |  |
| Differential pressure | Measuring ranges 10 and 30 mbar [0.15 and 0.45 psi] | ■ TD ≤ 5:1 ±0.1 %of span ■ TD > 5:1 ±0.02%xTD |
| Measuring range 100 and 500 mbar [1.5 and 7.5 psi] | ■ ToTD 10:1 ±0.065 %of span ■ TD > 10:1 ±0.035 %+0.01%xTD |  |
| Measuring range 3 bar [45 psi] | ■ ToTD 10:1 ±0.065 %of span ■ >TD 10:1 ±0.015 %+0.005%xTD |  |
| Measuring range 16 bar [240 psi] | ■ ToTD 10:1 ±0.065 %of span ■ >TD 10:1 ±0.035 %+0.01%xTD |  |
| Static pressure | < ±0.1 %(scaling with static pressure is not possible) |  |
| Adjustability, differential pressure |  |  |
| Pressure value of zero point | -120 ...+120 %of the nominal measuring range (with -100 ...+100 mbar [-1.5 ... +1.5 psi] measuring range, 100 mbar [1.5 psi] is the nominal measuring range) |  |
| Pressure value of span | Zero point + (-240 …+240 %) |  |
| Adjustability, level |  |  |
| Percentage value | -10…+100% |  |
| Pressure value | -120…+120% |  |
| Adjustability, flow |  |  |
| Pressure value of zero point | -120…+120% |  |
| Pressure value of span | -120…+120% |  |
| Influence of mounting position | < 0.35 mbar [0.003 psi] per 10° inclination from the vertical |  |
| Influence of the medium and ambient temperature |  |  |
| -10 ...+60 °C [14 ... 140 °F] | Measuring range 10 mbar [0.15 psi] | < ±0.15%+0.2%xTD |
| Measuring range 30 mbar [ 0.45 psi] | < ±0.15%+0.1%xTD |  |
| Measuring range 100 mbar [1.5 psi] | < ±0.15 %+0.15%xTD |  |
| Measuring range 500 mbar [7.5 psi] | < ±0.15 %+0.05%xTD |  |
| Measuring range 3 bar [45 psi] | < ±0.15 %+0.05%xTD |  |
| Measuring range 16 bar [240 psi] | < ±0.15 %+0.15%xTD |  |
| -40 …-10 °C [-40 ...+14 °F] / 60 …85°C[140 ... 185 °F] | Measuring range 10 mbar [0.15 psi] | < ±0.4%+0.3%xTD |
| Measuring range 30 mbar [ 0.45 psi] | < ±0.2 %+0.15%xTD |  |
| Measuring range 100 mbar [1.5 psi] | < ±0.15%+0.2%xTD |  |
| Measuring range 500 mbar [7.5 psi] | < ±0.2 %+0.06%xTD |  |
| Measuring range 3 bar [45 psi] | < ±0.2 %+0.06%xTD |  |
| Measuring range 16 bar [240 psi] | < ±0.15%+0.2%xTD |  |
| Long-term stability |  |  |
| Differential pressure | ■ < 0.065 %xTD(1 year) ■ < 0.1 %xTD(5 years) ■ < 0.15 %xTD(10 years) |  |
| Static pressure | ■ < ±0.065 %(1 year) ■ < ±0.1 %(5 years) ■ < ±0.15 %(10 years) |  |
| Thermal change of zero point and output span depending on the static pressure |  |  |
| Measuring ranges 10 and 30 mbar [0.15 and 0.45 psi] | To nominal pressure | 40 bar [600 psi] |
| Influence on the zero point | < ±0.1%xTD |  |
| Influence on the span | < ±0.1% |  |
| Measuring ranges 100 and 500 mbar [1.5 and 7.5 psi] | To nominal pressure | 160 bar [2,400 psi] |
| Influence on the zero point | < ±0.1%xTD |  |
| Influence on the span | < ±0.1% |  |

### Accuracy specifications

| Measuring ranges 3 and 16 bar [45 and 240 psi] | To nominal pressure | 400 bar [5,800 psi] |
|---|---|---|
| Influence on the zero point | < ±0.25%xTD |  |
| Influence on the span | < ±0.25% |  |
| Thermal change | Change of the current output with 4 ...20 mAsignals: 0.05 %per 10 K based on 20 °C [68 (maximum 0.15 %at set measuring span) in the ambient temperature range -40 …+80 °C [-40 …+176 °F] |  |
| Reference conditions per IEC 61298-1 |  |  |
| Temperature | +18 ...+30 °C [64 ... 86 °F] |  |
| Air pressure | 860 ... 1,060 mbar [86 ... 106 kPa, 12.5 ... 15.4 psig] |  |
| Air humidity | 45 ... 75 %r.h. |  |
| Characteristic curve determination | Terminal method per IEC 61298-2 |  |
| Curve characteristics | Linear |  |
| Reference mounting position | Vertical, i.e. vertical process assembly (connections are on the side) |  |

### Measuring range

| Measuring range 1) | -10 mbar ... +10 mbar [-0.15 ... +0.15 psi] | -30 mbar ... +30 mbar [-0.45 ... +0.45 psi] | -100 mbar ... +100 mbar [-1.5 ...+1.5 psi] | -500 mbar ... +500 mbar [-7.5 ...+7.5 psi] | -3 bar ...+3 bar [-45 ...+45 psi] | -16 bar ... +16 bar [-240 ... +240 psi] |
|---|---|---|---|---|---|---|
| Maximum operating pressure | 40 bar [600 psi] | 160 bar [2,400 psi] (option: 400 bar [5,800 psi]) |  |  |  |  |
| Lowest static pressure 2) | 1 mbar abs.[0.015 psi], with application for oxygen the static pressure should not be lower than 10 mbar abs. [0.15 psi] |  |  |  |  |  |
| Turndown ratio | Maximum permissible turndown is unlimited (max. 20:1 is recommended) |  |  |  |  |  |
| Overload, on one side | 40 bar [600 psi] | 160 bar [2,400 psi] (option: 400 bar [5,800 psi]) |  |  |  |  |
| Overload, on both sides | 60 bar [900 psi] | 240 bar [6,300 psi] (option: 630 bar [9,100 psi]) |  |  |  |  |

| Connection | Mounting | Material | Equipment |
|---|---|---|---|
| ¼-18 NPT IEC 61518 | 7/16-20 UNF | AISI 316L (1.4404) | 2 vent valves 1) |
| ¼-18 NPT IEC 61518 | 7/16-20 UNF | Hastelloy C276 (2.4819) | 2 vent valves 1) |

| Connection | Mounting | Material | Equipment |
|---|---|---|---|
| ¼-18 NPT IEC 61518 | 7/16-20 UNF | AISI 316L (1.4404) | 2 vent valves, 4 plug screws 1) |
| ¼-18 NPT IEC 61518 | 7/16-20 UNF | Hastelloy C276 (2.4819) | 2 vent valves, 4 plug screws 1) |

### Output signal

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Signal type | 4 …20mA, 2-wire, (option: 4 ... 20 mA, 2-wire with superimposed communication signal HART ® , FOUNDATION™ Fieldbus, PROFIBUS ® PA) |  |  |
| Permissible max. load | R A = (U B - U Bmin )/0.023 A |  |  |
| Dead time | ■ 160 ms (10 and 30 mbar [0.15 and 0.45 psi]) ■ 130 ms (remaining measuring ranges) |  |  |
| Time constant (90 %) | ■ 115 ms (10 and 30 mbar [0.15 and 0.45 psi]) ■ 95 ms (100 mbar [1.5 psi]) ■ 75 ms (500 mbar [7.5 psi]) ■ 60 ms (3 bar [45 psi] and 16 bar [240 psi]) |  |  |
| Damping (63 %of the input variable) | 0 …999 s, adjustable |  |  |
| Deviation through interference | Strong, high-frequency fields can influence the current output with 4 …20mA, within the scope of EN 61326-1, by up to ±80 µA. |  |  |
| Voltage supply |  |  |  |
| Supply voltage | 4 ...20mA | Inactive backlighting | DC 11 ...35V |
| Active backlighting | DC 16 ...35V |  |  |
| 4 ... 20 mAwith a superimposed HART ® communication signal | Inactive backlighting | DC 11 ...35V |  |
| Active backlighting | DC 16 ...35V |  |  |
| PROFIBUS ® PA (max. 32 BUS instruments) | Inactive backlighting | DC 9 ...32V |  |
| Active backlighting | DC 13.5…32V |  |  |
| FOUNDATION™ Fieldbus (max. 32 BUS instruments) | Inactive backlighting | DC 9 ...32V |  |
| Active backlighting | DC 13.5…32V |  |  |
| Electrical safety | Overvoltage category III, protection class II |  |  |

### Electrical connection

| Spring-loaded terminals | Wire cross-section | ■ Wire or strand: 0.2 ... 2.5 mm² (AWG 24 ... 14) ■ Strand with end splice: 0.2 ... 1.5 mm² (AWG 24 ... 16) |
|---|---|---|
| Cable glands M20 x 1.5 |  |  |
| Sealed with blind plug |  |  |
| Plastic, PA | Sealing | NBR |
| Cable diameter | ■ 5 ... 9 mm[0.2 ... 0.35 in] ■ 6 ... 12 mm[0.24 ... 0.47 in] ■ 10 ... 14 mm[0.39 ... 0.55 in] |  |
| Brass, nickel-plated | Sealing | NBR |
| Cable diameter | ■ 5 ... 9 mm[0.2 ... 0.35 in] ■ 6 ... 12 mm[0.24 ... 0.47 in] |  |
| Stainless steel | Sealing | NBR |
| Cable diameter | 7 ... 12 mm[0.28 x 0.47 in] |  |
| Cable glands ½ NPT |  |  |
| Sealed with blind plug |  |  |
| Plastic, PA | Cable diameter | ■ 5 ... 9 mm[0.2 x 0.35 in] ■ 6 ... 12 mm[0.24 ... 0.47 in] ■ 10 ... 14 mm[0.39 ... 0.55 in] |
| Brass, nickel-plated | Cable diameter | ■ 5 ... 9 mm[0.2 ... 0.35 in] ■ 6 ... 12 mm[0.24 ... 0.47 in] |
| Electrical safety | Reverse polarity protection |  |

### Material

| Material (wetted) | 2 |
|---|---|
| Process connection | 316L (1.4404) (option: Hastelloy C276 (2.4819)) |
| Diaphragm | 316L (1.4435) (option: Hastelloy C276 (2.4819) |
| Sealing | FKM (option:EPDM, copper) |
| Case material |  |
| Single chamber case, plastic | PBT, polyester |
| Single chamber case, aluminium | Die-casting AlSi10Mg, powder-coated on PE basis |
| Single chamber case, cast stainless steel | Stainless steel 316L |
| Single chamber case, electropolished stainless steel, deep-drawn | Stainless steel 316L |
| Double chamber case, plastic | PBT, polyester |
| Double chamber case, aluminium | Die-casting AlSi10Mg, powder-coated on PE basis |
| Double chamber case, cast stainless steel | Stainless steel 316L |
| Pressure transmission medium 1) | Silicone oil (halocarbon oil for oxygen applications) |

### Display and operating unit (option)

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Backlighting | Yes |  |  |
| Background | Grey, black digits |  |  |
| Upgradable | Yes (for order numbers, see &#x27;Accessories&#x27;) |  |  |
| Menu languages | German English French Spanish | Polish Italian Dutch Japanese | Turkish |
| Display size | 5-digit measured value display, adjustable (option: bar graph display) Max. 5 digits, size 7 x 13 mm[0.28 x 0.51 in] |  |  |
| Ingress protection (IP code) per IEC 60529 | ■ IP20 (loose) ■ IP40 (built-in without cover) |  |  |
| Material | Case from ABS, window from polyester film |  |  |

### Operating conditions

| 1 | 2 | 3 |
|---|---|---|
| Permissible temperature ranges |  |  |
| Ambient | ■ -40 …+80 °C [-40 ...+176 °F] (without display) ■ -20 …+70 °C [-4 ...+158 °F] (with display) |  |
| Storage and transport | -60 …+80 °C [-40 ...+176 °F] |  |
| Restrictions to medium temperature due to the sealing material |  |  |
| FKM | -20 …+85 °C [-4 ...+185 °F] |  |
| EPDM, copper | -40 …+85 °C [-40 ...+185 °F] |  |
| FKM, oil- and grease-free | -10 …+85 °C [14 ... 185 °F] |  |
| For oxygen applications (max. static pressure: 160 bar [2,400 psi]) | Copper | -20 …+60 °C [-4 ...+140 °F] |
| EPDM | -10 …+60 °C [-4 …+140 °F] |  |
| FKM | -10 …+60 °C [14 ... 140 °F] |  |
| Temperature limits | With differential pressure lines longer than 100 mm:-40 …+120 ° [-40 ... 248 °F] |  |
| Vibration resistance per IEC 60068-2-6 1) | 4 g (5 …200 Hz), vibration under resonance |  |
| Shock resistance per IEC 60068-2-27 | 50 g for 2.3 ms, mechanical shock |  |
| Ingress protection (IP code) per IEC 60529 | IP66/67 (standard case) |  |
| Weight | Approx. 4.2 …4.5 kg [9.26 ... 9.92 lbs] depending on the process connection and case variant |  |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity | European Union |
|  | EMCdirective, interference emission (group 1, class B) and immunity per EN 61326-1:2013 (industrial application), EN 61326-2-3:2013 1) |  |
|  | Pressure equipment directive |  |
|  | RoHS directive |  |

| Logo | Description |
|---|---|
| SIL IEC 61508 / IEC 6151 | SIL 2 (option) Functional safety ■ 1-channel operation up to SIL 2 |
| - | NAMUR recommendations NE 021 - Electrical compatibility of equipment NE 043 - Signal level for failure information NE 053 - Compatibility of field instruments |

### Certificates

| Certificates | ■ 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, material proof, indication accuracy) ■ 3.1 inspection certificate per EN 10204 (e.g. material proof for wetted metal parts, indication accuracy, calibration certificate) |
|---|---|
| Calibration | DAkkS calibration certificate (traceable and accredited in accordance with ISO/IEC 17025) |

| Description | 2 | Order number |
|---|---|---|
|  | Display module, model DIH52-F 5-digit display, 20-segment bar graph, without separate power supply, with additional HART ® functionality. Automatic adjustment of measuring range and span. Secondary-master functionality: Setting the measuring range and unit of the connected transmitter possible using HART ® standard commands. Optional: Explosion protection per ATEX | On request |
|  | HART ® modem for USB interface, specifically designed for use with notebooks (model 010031) | 11025166 |
|  | HART ® modem for RS-232 interface (model 010001) | 7957522 |
|  | HART ® modem for Bluetooth interface Ex ia IIC (model 010041) | 11364254 |
|  | PowerXpress HART ® modem, with optional power supply (model 010031P) | 14133234 |
|  | 3-valve manifold, form A, ½NPTfemale (IEC 61518-A) Stainless steel, PN 420, form A, NACE-compliant, 3.1 material certificate | 13382498 |
|  | 3-valve manifold, form A, 1/4 NPT female (IEC 61518-A) Stainless steel, PN 420, form A, NACE-compliant, 3.1 material certificate | 13382510 |
|  | 5-valve manifold, form A, ½NPTfemale (IEC 61518-A) Stainless steel, PN 420, form A, NACE-compliant, 3.1 material certificate | 13382552 |
|  | 5-valve manifold, form A, 1/4 NPT female (IEC 61518-A) Stainless steel, PN 420, form A, NACE-compliant, 3.1 material certificate | 13382561 |
|  | Oval flange, 1/4 NPT, stainless steel (2 pieces) Stainless steel, PN 420, form A, NACE-compliant, 3.1 material certificate | 13382609 |
|  | Oval flange, ½NPT, stainless steel (2 pieces) Stainless steel, PN 420, form A, NACE-compliant, 3.1 material certificate | 13382595 |
|  | Set of sealing plugs, 1/4 NPT, 316L (2 pieces) For the vents at the differential pressure sensor Included in delivery with lateral venting, except for process connection from Hastelloy | 14035620 |
|  | Set of vent valves, 1/4 NPT, 316L (2 pieces) For the vents at the differential pressure sensor Included in delivery, except for process connection from Hastelloy | 14368975 |
|  | Instrument mounting bracket for wall or pipe mounting with mounting bracket and screws, stainless steel | 11553945 |
|  | Overvoltage protection For transmitters, 4 ... 20 mA, M20 x 1.5, series connection | 14002489 |
|  | For transmitters, PROFIBUS ® PA, M20 x 1.5, series connection | 14013659 |
|  | Model DI-PT-R display and operating module, case cover aluminium with window | 12298884 |
|  | Model DI-PT-R display and operating module, case cover electropolished cast stainless steel with window | 13315269 |
|  | Model DI-PT-R display and operating module, case cover plastic with window | 13315277 |
|  | Model DI-PT-R display and operating module, case cover cast stainless steel with window for single chamber case | 12298906 |
|  | Model DI-PT-R display and operating module, case cover cast stainless steel with window for double chamber case | 14045598 |
|  | Model DI-PT-E external display and operating module, aluminium case | 12354954 |
|  | Model DI-PT-E external display and operating module, cast stainless steel case | 12355101 |
|  | Model DI-PT-E external display and operating module, plastic case | 14134247 |

## المستندات

- [ds_pe8622_en_co_ead5cf](https://avigan.com.ua/wika/docs/wika/ds_pe8622_en_co.pdf) — PDF, 2012 KB, en

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