# מתג הפרש לחצים — PS-DW03UN

> מתג הפרש לחץ לטווחי כיוון נמוכים מאוד, מתאים ליישומים קריטיים לבטיחות במערכות מיזוג אוויר והפקת חשמל, לרבות תחנות כוח גרעיניות, עבור מדיה גזית ומדיה יבשה.

- קוד קטלוגי: dw03un
- דגם: PS-DW03UN
- קטגוריה: מדידת לחץ › Pressure switches
- עמוד המוצר: https://avigan.com.ua/wika/he/products/dw03un
- מחיר: לפי בקשה
- ספק: AVIGAN (TOV VIKA Prylad), שותף רשמי של WIKA באוקראינה

## תיאור

מתג הפרשי לחץ מדגם DW03UN ✓לטווחי כיוון נמוכים מאוד ✓איכות גבוהה ►למידע נוסף!

## יישומים

- Differential pressure monitoring and control of processes
- Safety-critical applications in general process instrumentation, especially in HVAC and power generation incl. nuclear power plants
- For gaseous and dry media

## תכונות מיוחדות

- No power supply needed for switching of electrical loads
- Robust switch enclosure from stainless steel 316L, IP66, NEMA 4X
- Setting ranges from 0.3 ... 2.5 mbar to 0.7 ... 16 mbar with high working pressure and high static pressure up to 300 mbar
- Intrinsic safety Ex ia available
- 1 set point, SPDT, high switching power up to AC 250 V, 10 A

## מפרט טכני

| פרמטר | ערך |
|---|---|
| model | DW03UN |
| product family | DW03 |
| short description | Differential pressure switch for very low setting ranges, suitable for safety-critical applications in HVAC and power generation, including nuclear power plants, for gaseous and dry media. |
| subcategory | Differential pressure switch |
| certifications | RoHS; EAC; Ex-Ukraine; CCC; KOSHA; CE; ATEX; IECEx |
| explosion protection | Ex ia I Ma; Ex ia IIC T6/T4 Ga; Ex ia IIIC T85°C/T135°C Da IP66; Ex ia IIIC T85°C/T135°C Da; Ex ia IIIC T6/T4 Ga |
| safety integrity level | SIL 3-capable |
| ambient temp | -30 … 85 °C |
| ip rating | IP66 |
| weight kg | 2.2 |
| languages in datasheet | en; de |
| pressure ranges | 0.3 … 2.5 mbar; 0.4 … 4 mbar; 0.4 … 6 mbar; 0.4 … 10 mbar; 0.7 … 16 mbar |
| accuracy class | ≤ 1 % of span |
| accuracy standard | IEC 61298-2:2008 |
| process connections | ¼ NPT female; ½ NPT male (via adapter); G ½ A male (via adapter); G ¼ A male (via adapter); ½ NPT female (via adapter); G ¼ female (via adapter); M20 x 1.5 male (via adapter); ½ NPT male; G ½ A male; G ¼ A male; ½ NPT female; G ¼ female; M20 x 1.5 male |
| case material | Stainless steel 316L; Epoxy resin coated |
| wetted parts material | Stainless steel; Glass-fibre reinforced NBR; Epoxy resin coated; Aluminium casting alloy, Anticorodal® UNI 3571; Aluminium casting alloy (Anticorodal® UNI 3571) |
| sealing material | NBR |
| process temp | -30 … 85 °C |
| output signal | SPDT |
| electrical connection | ½ NPT female |
| switching function | SPDT |
| switching contacts | 1 |

## טבלאות מגיליון הנתונים

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Contact version | Electrical rating (resistive load) | Suitable for Ex ia option |  |
|  | AC | DC |  |
| UN 1 x SPDT, silver | 250 V, 10 A | 125 V, 0.1 A | Yes |

### Maximum values

| Voltage U i | DC 30V |
|---|---|
| Current l i | 100mA |
| Power P i | 0.75W |
| Internal capacitance C i | 0 μF |
| Internal inductance L i | 0mH |

| Setting range in mbar | Working range in mbar | One-sided pressure in mbar | Static pressure in mbar | Fixed dead band for contact version UN |
|---|---|---|---|---|
| 0.3 ... 2.5 | 0 ... 2.5 | ≤ 6 | ≤ 300 | ≤ 0.2 |
| 0.4 ... 4 | 0 ... 4 | ≤ 10 |  | ≤ 0.3 |
| 0.4 ... 6 | 0 ... 6 | ≤ 25 |  | ≤ 0.3 |
| 0.4 ... 10 | 0 ... 10 | ≤ 25 |  | ≤ 0.3 |
| 0.7 ... 16 | 0 ... 16 | ≤ 40 |  | ≤ 0.5 |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity ■ Pressure equipment directive ■ Low voltage directive ■ RoHS directive ■ ATEX directive 1) IM1 II1GD | European Community |
|  | IECEx 1) Ex ia I Ma Ex ia IIC T6/T4 2) Ga Ex ia IIIC T85°C/T135°C 2) Da IP66 | International |
|  | EAC (option) Hazardous areas 1) | Eurasian Economic Community |
|  | Ex-Ukraine (option) Hazardous areas 1) | Ukraine |
|  | CCC (option) Hazardous areas 1) | China |
|  | KOSHA (option) Hazardous areas 1) | South Korea |

## מסמכים

- [ds_pv3550_en_co_708bef](https://avigan.com.ua/wika/docs/wika/ds_pv3550_en_co.pdf) — PDF, 435 KB, en

## תצורה

למוצר יש מגדיר תצורה אינטראקטיבי בעמוד המוצר.

```
DW03UN-M -BAMZZZDAZZZ
```