# Surface acoustic wave sensor for temperature measurement — TSA-EV11

> Wireless and passive SAW temperature sensor for monitoring temperature in medium-voltage switchgear, compatible with IIoT platforms.

- Catalog code: tsa_ev11
- Model: TSA-EV11
- Category: SF6 gas solutions › Partial discharge and temperature
- Product page: https://avigan.com.ua/wika/en/products/tsa_ev11
- Price: on request
- Supplier: AVIGAN (TOV VIKA Prylad), official WIKA partner in Ukraine

## Overview

The advanced monitoring solution for monitoring partial discharge and temperature in medium-voltage switchgear uses surface acoustic wave and ultra high ...

## Applications

- Condition monitoring for medium-voltage switchgear in conjunction with the reader (AMS01), the antenna (AN-F1) for partial discharge detection by UHF and the environmental sensor (EXT-ENV-SENS)
- Measurement and monitoring of the temperature of live conductors
- Compatible with ANSI and IEC medium-voltage standards
- New installation or retrofitting of medium-voltage switchgears

## Special features

- Wireless and passive temperature sensor
- Easy to install and commission
- Maintenance-free
- Comprehensive data communication (local, remote, Modbus ® , SCADA, IIoT PD service)

## Specifications

| Parameter | Value |
|---|---|
| model | TSA-EV11 |
| product family | TSA |
| short description | Wireless and passive SAW temperature sensor for monitoring temperature in medium-voltage switchgear, compatible with IIoT platforms. |
| subcategory | Temperature sensor |
| certifications | WPC; RoHS; NCC-CCAM; RED; NCC - CCAM; EU declaration of conformity; CE; UL US LISTED |
| ambient temp | -25 … 150 °C |
| ip rating | IP67 |
| weight kg | 0.044 |
| languages in datasheet | en; de |
| accuracy class | ±2 °C (0...120 °C), ±3 °C (-25...0 °C and 120...150 °C) |
| process connections | Threaded hole (MS); Metal fork carriers (FORK-M9/10/14-TSA-EV or MOUNTING-BRACKET-TSA-EV); Plastic ring (RING-TSA-EV) with cable ties |
| wetted parts material | Silicone resin |
| output signal | Wireless (Bluetooth® 5.2 Low Energy) |

## Datasheet tables

### Operating conditions

| Place of use | Indoor |
|---|---|
| Temperature of use / Operating temperature | -25 ...+150 °C [-13 ...+302 °F] |
| Mounting type | ■ Using the threaded hole under the sensor base (MS) ■ Using metal fork carriers (FORK-M9/10/14-TSA-EV or MOUNTING- BRACKET-TSA-EV) ■ Using a plastic ring (RING-TSA-EV) and 2 high-quality cable ties with a length of 390 mm[15.35 in] (TIE-WRAP-TSA-EV) |
| Ingress protection of the complete instrument | IP67 |
| Case | Silicone resin |
| Weight | 44 g [1.55 oz] |

### Temperature measurement

| 1 | 2 |
|---|---|
| Accuracy |  |
| 0 ... 120 °C [32 ... 248 °F] | ±2 °C [35.6 °F] |
| -25 ... 0 °C [-13 ...+32 °F] | ±3 °C [37.4 °F] |
| 120 ... 150 °C [248 ... 302 °F] | ±3 °C [37.4 °F] |

### Characteristics

| Mode | Passive |
|---|---|
| Radiation charcteristics | Omnidirectional |

| Logo | Description | Region |
|---|---|---|
|  | EU declaration of conformity | European Union |
| - | NCC - CCAM Radio approval | Taiwan |
| - | WPC Radio certification | India |

| Logo | Description | Region |
|---|---|---|
|  | UL Safety (e.g. electrical safety, overpressure, ...) | USA and Canada |

| Model | Description | Order number |
|---|---|---|
|  | FORK-M9-TSA-EV FORK-M10-TSA-EV FORK-M14-TSA-EV | 14578210 14578211 14578212 |
|  | RING-TSA-EV | 14578214 |
|  | TIE-WRAP-TSA-EV | 14578215 |

## Documents

- [ds_sp6327_en_co_14801d](https://avigan.com.ua/wika/docs/wika/ds_sp6327_en_co.pdf) — PDF, 383 KB, en