# Реле перепада давления — A2G-40

> Для вентиляции и кондиционирования воздуха

- Код каталога: a2g_40
- Модель: A2G-40
- Категория: Измерение давления › Pressure switches
- Страница товара: https://avigan.com.ua/wika/ru/products/a2g_40
- Цена: по запросу
- Поставщик: AVIGAN (ООО «ВИКА Прилад»), официальный партнёр WIKA в Украине

## Описание

Дифференциальный прессостат модели A2G-40 в функции Δp контролирует фильтры и вентиляторы в вентиляционных каналах и воздушных заслонках. Шесть датчиков давления ...

## Применение

- For dry, clean, non-aggressive gases, usually air
- Monitoring of ventilators, blowers and filters in air-conditioning and clean room applications
- Overpressure monitoring in clean rooms and laboratories

## Особенности

- Six pressure range increments
- Easy to install and assemble
- Very reliable
- Robust case and practical design

## Технические характеристики

| Параметр | Значение |
|---|---|
| model | A2G-40 |
| product family | A2G |
| short description | Differential pressure switch for monitoring filters and ventilators in ventilation ducts and air shutters, suitable for dry, clean, non-aggressive gases. |
| subcategory | Differential pressure switch |
| certifications | RoHS; EAC; WEEE; CE; EMC |
| ambient temp | -20 … 85 °C |
| ip rating | IP54 |
| weight kg | 0.15 |
| languages in datasheet | en |
| pressure ranges | 20 … 200 Pa; 30 … 300 Pa; 30 … 500 Pa; 40 … 600 Pa; 100 … 1500 Pa; 500 … 4500 Pa |
| accuracy class | ±8 Pa, ±20 Pa, ±100 Pa |
| process connections | Connecting nozzle, side mount, for hoses with inner diameter 4 ... 6 mm; Connecting nozzle, side mount, for hoses with inner diameter 4...6 mm |
| case material | Plastic (ABS) |
| wetted parts material | Silicone; Plastic; Diaphragm: Silicone; Seals: Plastic |
| sealing material | Plastic |
| process temp | -20 … 60 °C |
| electrical connection | Cable gland M16, Screw terminals max. 1.5 mm² |
| switching function | Switch point with fixed differential |
| switching contacts | 1 |

## Таблицы из даташита

### Differential pressure switch, model A2G-40

| Switch point accuracy | Pressure range | Lowest limit | Highest limit | Switch differential |
|---|---|---|---|---|
| 20 ... 200 Pa [0.08 ... 0.8 inWC] | ±8 Pa [±0.03 inWC] | ±15% | 20 Pa [0.08 inWC] |  |
| 30 ... 300 Pa [0.12 ... 1.20 inWC] | ±8 Pa [±0.03 inWC] | ±15% | 25 Pa [0.10 inWC] |  |
| 30 ... 500 Pa [0.12 ... 2.00 inWC] | ±8 Pa [±0.03 inWC] | ±15% | 25 Pa [0.10 inWC] |  |
| 40 ... 600 Pa [0.16... 2.41 inWC] | ±8 Pa [±0.03 inWC] | ±15% | 35 Pa [0.14 inWC] |  |
| 100 ... 1,500 Pa [0.40 ... 6.02 inWC] | ±20 Pa [±0.08 inWC] | ±15% | 80 Pa [0.32 inWC] |  |
| 500 ... 4,500 Pa [2.00 ... 18.08 inWC] | ±100 Pa [±0.40 inWC] | ±15% | 250 Pa [1.00 inWC] |  |
| Unit | ■ Pa ■ kPa ■ inWC ■ mmWC ■ mbar |  |  |  |
| Maximum operating pressure | ■ Test pressure: 25 kPa [100 inWC] ■ Burst pressure: 50 kPA [200 inWC] |  |  |  |
| Process connection | Connecting nozzle, side mount, for hoses with inner diameter 4 ...6 mm[0.16 ries') | …0.24 in] (see 'Accesso - |  |  |
| Electrical connection | Cable gland M16 Screw terminals max.1.5mm ² [0.002 in²] |  |  |  |
| Switching power |  |  |  |  |
| Voltage | Pressure range 20 ... 200 Pa | All other pressure ranges |  |  |
| Resistive load (cos φ≈1) | Resistive load (cos φ≈1) | Inductive load (cos φ≈0.6 - 0.7) |  |  |
| AC 125V | 0.1 A | 3 A | 2 A |  |
| AC 250V | 0.1 A | 3 A | 2 A |  |
| DC 30V | 0.1 A | 3 A | 2 A |  |
| DC 125V | - | 0.4 A | 0.05 A |  |
| Mounting type | Wall mounting |  |  |  |
| Materials |  |  |  |  |
| Case | Plastic (ABS) |  |  |  |
| Window | Polycarbonate (PC) |  |  |  |
| Diaphragm | Silicone |  |  |  |
| Seals | Plastic |  |  |  |
| Permissible temperatures |  |  |  |  |
| Medium | -20 ...+60 °C [-4 …+140 °F] |  |  |  |
| Ambient | -20 ...+85 °C [-4 …+185 °F] |  |  |  |
| Relative humidity, condensation | 0 ... 95 %r.h., non-condensing |  |  |  |
| Ingress protection per IEC/EN 60529 | IP54 |  |  |  |
| Weight | 150 g [0.33 lbs] |  |  |  |

| Logo | Description | Country |
|---|---|---|
|  | EU declaration of conformity | European Union |
|  | LowVoltage Directive |  |
|  | RoHS conformity |  |
|  | WEEE directive |  |
|  | EAC | Eurasian Economic Community G |
|  | EMCdirective | H |
|  | LowVoltage Directive | I |

### Certificates

| Certificates | 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, material proof, indication accuracy) |
|---|---|

### Dimensions in mm[in]

| A | B | C | D | E | Ø F | G | H | I | J | K | L | M | N | O | P |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 73 | M N 15.1 | 10.2 | 5.5 | 9.5 | 4 | 73 | 52.7 | 5.6 | 3.9 | 94 | 107 | 10.15 | 7.05 | 16 | 63 |
| [2.87] | [0.59] | [0.39] | [0.2] | [0.37] | [0.16] | [2.87] | [2.05] | [0.2] | [0.15] | [3.70] | [4.21] | [0.39] | [0.28] | [0.63] | [2.48] |

| Description | Order number |
|---|---|
| Measuring hoses |  |
| PVC hose, inner diameter 4 mm[0.15 in], roll at 25 m[19.68 ft] | 40217841 |
| PVC hose, inner diameter 6 mm[0.23 in], roll at 25 m[19.68 ft] | 40217850 |
| Silicone hose, inner diameter 4 mm[0.15 in], roll at 25 m[19.68 ft] | 40217906 |
| Silicone hose, inner diameter 6 mm[0.23 in], roll at 25 m[19.68 ft] | 40217914 |
| Duct connectors for measuring hoses Ø 4 …6mm[0.16 …0.24 in] | 40217507 |

## Документация

- [ds_pv2741_en_co_86b7a6](https://avigan.com.ua/wika/docs/wika/ds_pv2741_en_co.pdf) — PDF, 421 KB, en