# مفتاح مستوى كهرضوئي ومضخم تبديل — OLS-2

> مفتاح مستوى حدّي كهرضوئي للكشف عن مستوى الحد في السوائل، مناسب للتطبيقات المبردة والصناعية مع نطاقات درجات حرارة من -269 إلى +400 °C وضغط حتى 500 بار.

- رمز الكتالوج: ols_2_osa_sc
- الطراز: OLS-2
- الفئة: قياس المستوى › Optoelectronic switches
- صفحة المنتج: https://avigan.com.ua/wika/ar/products/ols_2_osa_sc
- السعر: عند الطلب
- المورد: AVIGAN (TOV VIKA Prylad)، الشريك الرسمي لشركة WIKA في أوكرانيا

## نظرة عامة

يُستخدم مفتاح مستوى كهرضوئي OLS-2 لاكتشاف مستويات الحد في السوائل. يعمل OLS-2 على نطاق واسع بشكل مستقل عن التأثيرات الفيزيائية ...

## التطبيقات

- Cryogenic applications (liquid gas)
- Chemical industry, petrochemical industry, natural gas, offshore
- Shipbuilding, machine building, refrigerator units
- Power generating equipment, power plants
- Process water and drinking water treatment

## المزايا

- Temperature ranges from -269 ... +400 °C [-452 ... +752 °F]
- Versions for pressure ranges from vacuum to 500 bar [7,252 psi]
- Special versions: High pressure, interface measurement
- Explosion-protected versions
- Signal processing is made using a separate model OSA-SC switching amplifier

## المواصفات الفنية

| المعيار | القيمة |
|---|---|
| model | OLS-2 |
| product family | OLS |
| short description | Optoelectronic level switch for limit level detection in liquids, suitable for cryogenic and industrial applications with temperature ranges from -269 to +400 °C and pressure up to 500 bar. |
| subcategory | Optoelectronic level switch |
| certifications | UKCA; CE; EMC; ATEX; IECEx; RoHS; REACH |
| explosion protection | Ex ib IIC T6...T1 Ga/Gb; Ex ib IIIC T85...T400 °C Db; II 1/2G Ex ib IIC T6 ...T1 Ga/Gb II 2D Ex ib IIIC T85 ...T400 °C Db; Ex ib IIC T6 ...T1 Ga/Gb; Ex ib IIIC T85 ...T400 °C Db; II 1/2G Ex ib IIC T6 ...T1 Ga/Gb; II 2D Ex ib IIIC T85 ...T400 °C Db; IECEx |
| ambient temp | -55 … 80 °C |
| ip rating | IP66/IP68 |
| languages in datasheet | en; de |
| technology | vibration_fork |
| level ranges m | 0.025 … 0.025 m; 0.035 … 0.96 m; 0.025 … 0.96 m |
| output signal | SPDT relay |
| accuracy | ±0.5 mm |
| process connections | G 1/2 male; 1/2 NPT male; ASME B16.5 1/2" ... 2"; DIN EN 1092-1 DN20 ... DN50; G1/2, Außengewinde; 1/2 NPT, Außengewinde; 1/2" ... 2" per ASME B16.5; DN20 ... DN50 per DIN EN 1092-1; G1/2 external thread; 1/2 NPT external thread; ASME B16.5 flange 1/2*...2*; DIN EN 1092-1 flange DN20...DN50 |
| wetted parts material | Stainless steel 1.4571; Hastelloy; Clad core glass; Fused quartz; Sapphire glass |
| process temp | -269 … 400 °C |
| process pressure max bar | 500 |
| power supply | DC 12 ... 30 V |
| electrical connection | 4-pin SMD PCB terminal |

## جداول ورقة البيانات

| Specifications | 2 | 3 |
|---|---|---|
| Measuring length (switch point) ML | ■ 25 mm[0.98 in] ■ With extension of the light guide 35 ... 960 mm[1.38 ... 37.80 in] |  |
| Insertion length IL | 29 mm[1.14 in] (ML + 4 mm[0.16 in]) |  |
| Medium temperature | Standard version without cooling element | -65 ...+170 °C [-85 ...+338 °F] |
|  | High-/Low-temperature version with cooling element | -269 ...+400 °C [-452 ...+752 °F] |
| Ambient temperature | -55 ...+80 °C [-67 ...+176 °F] |  |
| Storage temperature | -20 ...+80 °C [-4 ...+176 °F] |  |
| Pressure range | -1 ...+500 bar [-14.50 ... +7,252 psi] depending on p/T rating (pressure/temperature assignment) |  |
| Measurement type | ■ Level measurement with glass tipV shape ■ Interface layer with glass tip U shape |  |
| Process connection |  |  |
| Mounting thread | ■ G1/2, Außengewinde ■ 1/2 NPT, Außengewinde |  |
| Process connection flange | ■ 1/2" ... 2" per ASME B16.5 ■ DN20 ...DN50 per DIN EN 1092-1 |  |
| Light guide | ■ Clad core glass (ML: max. 900 mm[35.43 in]) ■ Fused quartz (ML: max. 200 mm[7.87 in]) ■ Sapphire glass (ML: max. 60 mm[2.36 in]) |  |
| Mounting position | As required |  |
| Measurement accuracy | ±0.5 mm[± 0.02 in] |  |
| Repeat accuracy | ±0.1 mm[± 0.04 in] |  |
| Light source | IR light 930 nm |  |
| Protection of the light guide | Metal protective housing with lateral opening slots |  |
| Ambient light | Max. 100 Lux |  |
| Material |  |  |
| Case | Stainless steel 1.4571 |  |
| Light guide (wetted) | ■ Stainless steel 1.4571 ■ Hastelloy |  |
|  | Other materials on request |  |
| Cable gland | M20 x 1.5 |  |
| Terminal connection |  |  |
| Termination point | 4-pin SMDPCBterminal |  |
| Single-wire/fine-wired conductor | 0.5 ...1.5mm 2 / 20 ...16AWG |  |
| Fine-wired conductor with end splice with/without plastic collar | 0.5 ...0.75mm 2 |  |
| Ingress protection per IEC/EN 60529 | ■ IP66 ■ IP68 |  |

### Specifications

| Ambient temperature | -20 ...+60 °C [-4 ...+140 °F] |
|---|---|
| Storage temperature | -20 ...+60 °C [-4 ...+140 °F] |
| Auxiliary power | DC 12 ... 30 V, protected against reverse polarity |
| Power dissipation / Power consumption | ≤ 0.9W |
| Output | Change-over contact (SPDT) |
| Max. connection cross-section | 2.5mm 2 |
| Max. cable length | 175 ... 600 m[574.1 ... 1,968.5 ft] (for 0.5 ...1.5mm 2 ) |
| Ingress protection per IEC/EN 60529 | IP20 |
| Dimensions | 29 x 130 x 127 mm[1.14 x 5.12 x 5 in] (W x H x D) |
| Mounting | On 35-mm DIN rail per EN 60715:2015 |

### General data

| Functions | ■ Alarm direction selectable for high or low alarm ■ Pick-up delay and drop-out delay settable up to 8 seconds for signal relay |
|---|---|
| Monitoring | ■ Wire break signal circuit ■ Short-circuit signal circuit ■ Internal auxiliary power, fail-safe ■ Green status LED for auxiliary power monitoring ■ Yellow status LED for alarm monitoring (switched relay) |

| Model | Article number |
|---|---|
| OSA-SC (standard version) | 14602554 |
| OSA-SCI (Ex i version) | 14602553 |

| Logo | Description | Region |
|---|---|---|
|  | EU declaration of conformity | European Union |
|  | UKCA Electromagnetic compatibility regulations | United Kingdom |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Logo | Description | Region |  |
|  | EU declaration of conformity | European Union |  |
|  | ATEX directive Hazardous areas |  |  |
|  | - Ex i | Zone 1 mounting to zone 0 gas Zone 21 dust | II 1/2G Ex ib IIC T6 ...T1 Ga/Gb II 2D Ex ib IIIC T85 ...T400 °C Db |
|  | IECEx Hazardous areas | International |  |
|  | - Ex i | Zone 1 mounting to zone 0 gas Zone 21 dust | Ex ib IIC T6 ...T1 Ga/Gb |
|  |  |  | Ex ib IIIC T85 ...T400 °C Db |

## المستندات

- [ds_lm3107_en_co_b86eca](https://avigan.com.ua/wika/docs/wika/ds_lm3107_en_co.pdf) — PDF, 665 KB, en
