---
product_id: 15904138
title: "11021 Vacuum Leak Detector, 230V"
brand: "electro technic product"
price: "¥4148"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/15904138-11021-vacuum-leak-detector-230v
store_origin: JP
region: Japan
---

# High-frequency induction Bright spot indication Tesla-type coil 11021 Vacuum Leak Detector, 230V

**Brand:** electro technic product
**Price:** ¥4148
**Availability:** ✅ In Stock

## Summary

> 🔍 Discover leaks like a pro with precision!

## Quick Answers

- **What is this?** 11021 Vacuum Leak Detector, 230V by electro technic product
- **How much does it cost?** ¥4148 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/15904138-11021-vacuum-leak-detector-230v)

## Best For

- electro technic product enthusiasts

## Why This Product

- Trusted electro technic product brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Testing:** Utilizes high-frequency induction for accurate leak detection.
- • **Robust Performance:** Designed for reliability in high-level performance environments.
- • **User-Friendly Design:** Easy to operate, making it ideal for professionals and technicians alike.
- • **Visual Leak Indicator:** Bright spot shows exact leakage point for quick diagnostics.
- • **Gentle Spark Technology:** Generates a softer spark, perfect for delicate glassware.

## Overview

The 11021 Vacuum Leak Detector operates at 230V and features high-frequency induction technology combined with a Tesla-type coil. It provides a visual indication of leaks through a bright spot, ensuring safe testing of thin-walled vacuum glassware without causing damage.

## Description

Can be used for exciting Geisler tubes, but intended for intermittent use only, for periods of up to 4 minutes, followed by at least 5 minutes "off" between periods of use. Output is 10,000-50,000 Volts at a frequency of three to four megahertz. Plastic housing is approximately 254 mm long x 51 mm diameter. Overall length: 356 mm. Adjusting screw controls spark intensity. With two-wire cord and plug.

## Features

- High-frequency induction, Tesla-type coil, with one end of secondary attached to a metal electrode
- Point of leakage is indicated by a bright spot where discharge enters evacuated glass assembly
- Generates softer spark for testing thin-walled vacuum glassware and light insulation without puncturing
- Reliable
- High level performance

## Images

![11021 Vacuum Leak Detector, 230V - Image 1](https://m.media-amazon.com/images/I/71ayhjHUeUL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/15904138-11021-vacuum-leak-detector-230v](https://www.desertcart.jp/products/15904138-11021-vacuum-leak-detector-230v)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-29*