# Unit UT582+ RCD Tester

**URL:** https://aio.lv/en/product--unit-ut582--12478397
**Data updated:** 2026-05-22 07:21 (EEST)
**Category:** Measuring tools
**Manufacturer:** Unit
**Manufacturer code:** UT582+
**EAN:** 6935750558218
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.49 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 85.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-ut582--12478397

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Unit UT582+ is a professional RCD tester designed for electrical safety testing. It accurately measures residual current device trip time and trip current. This device is essential for electricians and technicians to ensure compliance with safety standards in residential and industrial electrical installations. It features a clear display and intuitive operation for reliable field diagnostics.

## Long description

The Uni-T UT582+ is a professional RCD tester engineered for precise electrical safety diagnostics. This device is specifically designed to verify the performance of residual current devices in single-phase electrical installations, ensuring they trip within the required time and current parameters to protect users from electrical hazards.
Advantages
This tester offers high reliability for field diagnostics, featuring an intuitive interface that simplifies complex electrical testing tasks. The inclusion of the AUTO RAMP function allows for efficient, automated verification of trip thresholds, significantly reducing testing time. With its robust construction, clear backlit display, and integrated safety features like connection indicators and fuse protection, it provides both accuracy and peace of mind for technicians working in residential or industrial environments.
Suitable for
Testing RCD trip time and trip current
Electrical safety inspections in residential buildings
Maintenance and verification of industrial electrical systems
Compliance testing for electrical safety standards
When it may not be suitable
This device is designed specifically for single-phase RCD testing and is not suitable for three-phase system diagnostics. It should not be used for measuring insulation resistance or other electrical parameters outside of its specified RCD and voltage testing range.
Key specifications
Operating voltage: 195V to 253V
Voltage measurement range: 30V to 600V
Test currents: 10mA, 20mA, 30mA, 100mA, 300mA, 500mA
Trip time range: 40ms to 2000ms
Frequency range: 45Hz to 65Hz
Display: 71 x 34 mm LCD with backlight
Power supply: 6 x 1.5V LR6 batteries
How to use
To use the UT582+, connect the test leads to the electrical circuit according to the provided manual. Select the desired test current and mode using the intuitive control panel. The device will perform the measurement and display the results on the screen. Use the Data Hold function to freeze the reading if necessary. Always ensure the device is properly connected and that the connection indicators show a safe status before initiating any test sequence.
What to consider before purchase
Verify that your electrical system is single-phase
Ensure the required test current range matches your RCD specifications
Check that the operating voltage of your installation falls within the 195V-253V range
Usage recommendations
Always inspect the test leads for damage before each use and ensure the batteries are sufficiently charged to maintain measurement accuracy during field operations.

## FAQ

### How much does the Unit UT582+ RCD Tester cost, and is it available for purchase?

The price is 103.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 41 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Unit UT582+ RCD Tester be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Unit products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Unit service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12478397/68799317_large.webp