# Bimetal thermometer — A50

> Bimetal thermometer for heating, air-conditioning, ventilation and refrigeration technology with scale range up to 200 °C.

- Catalog code: a50
- Model: A50
- Category: Temperature measurement › Dial thermometers
- Product page: https://avigan.com.ua/wika/en/products/a50
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

The model A50 bimetal thermometer is used mainly in heating, air-conditioning, ventilation and refrigeration technology and is suitable for a scale range up ...

## Applications

- Heating systems
- Hot water tanks
- Solar collectors

## Special features

- Accuracy class 2 per EN 13190
- Nominal size 63, 80, 100 and 160
- Scale ranges from -30 ... +200 °C

## Specifications

| Parameter | Value |
|---|---|
| model | A50 |
| product family | A50 |
| short description | Bimetal thermometer for heating, air-conditioning, ventilation and refrigeration technology with scale range up to 200 °C. |
| subcategory | Bimetal thermometer, standard version |
| certifications | GOST; MTSCHS; BelGIM; UkrSEPRO; Uzstandard; CRN; KazInMetr |
| weight kg | 0.08 |
| languages in datasheet | en; de; es; fr |
| temperature ranges | -30 … 50 °C; -20 … 60 °C; -10 … 50 °C; 0 … 60 °C; 0 … 80 °C; 0 … 120 °C; 0 … 160 °C; 0 … 200 °C |
| sensor type | bimetal |
| probe length mm | 40 |
| probe diameter mm | 9 |
| probe material | copper alloy; aluminium |
| has thermowell | true |
| thermowell material | copper alloy |
| process connections | G ½ B |
| process temp | -30 … 200 °C |
| accuracy class | Class 2 per EN 13190 |

## Datasheet tables

| Model | NS | Connection location |
|---|---|---|
| A50.10, A50.20 | 63 | Back mount |
|  | 80 |  |
|  | 100 |  |
| A50.10 | 160 |  |

| Scale range in °C | Scale spacing in °C |
|---|---|
| -30 ... +50 | 1 |
| -20 ... +60 | 1 |
| -10 ... +50 | 1 |
| 0 ... 60 | 1 |
| 0 ... 80 | 1 |
| 0 ... 120 | 2 |
| 0 ... 160 | 2 |
| 0 ... 200 | 5 |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|
| NS | Dimensions inmm | Weight in kg |  |  |  |  |  |
|  | b 1 | Ø d | Ø D | G | l 1 | SW |  |
| 63 | 24 | 11.5 1) | 63 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.08 |
| 80 | 27 | 11.5 1) | 80 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.10 |
| 100 | 30 | 11.5 1) | 100 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.13 |
| 160 | 32 | 11.5 1) | 160 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.28 |

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|
| NS | Dimensions inmm | Weight in kg |  |  |  |  |  |
|  | b 1 | Ø d | Ø D | G | l 1 | SW |  |
| 63 | 20 | 11.5 1) | 63 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.09 |
| 80 | 22 | 11.5 1) | 80 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.12 |
| 100 | 24 | 11.5 1) | 100 | G½B | 40, 60, 100, 160, 200, 250, 300 | 21 | 0.17 |

| Logo | Description | Country |
|---|---|---|
|  | GOST (option) Metrology, measurement technology | Russia |
|  | KazInMetr (option) Metrology, measurement technology | Kazakhstan |
| - | MTSCHS (option) Permission for commissioning | Kazakhstan |
|  | BelGIM (option) Metrology, measurement technology | Belarus |
|  | UkrSEPRO (option) Metrology, measurement technology | Ukraine |
|  | Uzstandard (option) Metrology, measurement technology | Uzbekistan |
| - | CRN (option) Safety (e.g. electr. safety, overpressure, ...) | Canada |

## Documents

- [ds_tm5003_en_co_3317ff](https://avigan.com.ua/wika/docs/wika/ds_tm5003_en_co.pdf) — PDF, 424 KB, en