# Test adapter Messadapter Gossen Metrawatt Z501O PRO-A3 II for Profitest Master — model Z501O

**URL:** https://aio.lv/en/product--gmc-i-messtechnik-z501o--3824587
**Data updated:** 2025-12-29 13:49 (EET)
**Category:** Tool kits and accessories
**Manufacturer:** gmc-i messtechnik
**Manufacturer code:** Z501O
**EAN:** 4012932120349
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 237.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 196.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gmc-i-messtechnik-z501o--3824587

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

Messadapter Gossen Metrawatt Z501O PRO-A3 II is a dedicated test adapter designed for use with Profitest Master instruments. Model Z501O provides a reliable interface for measurement and testing tasks, ensuring proper connection and signal transfer between devices. Ideal for electricians and service technicians performing PAT testing, safety checks, and electrical diagnostics where compatibility with Profitest Master is required.

## Long description

Messadapter Gossen Metrawatt Z501O PRO-A3 II is a dedicated test adapter designed for use with Profitest Master instruments. Model Z501O provides a reliable interface for measurement and testing tasks, ensuring correct connection and signal transfer between devices. The adapter is intended to work with Profitest Master test equipment and supports portable appliance testing, safety verification and electrical diagnostics where compatibility with Profitest Master is required.
Advantages
The Gossen Metrawatt Z501O PRO-A3 II offers a compact and robust interface that ensures stable electrical contact and minimizes connection errors during testing. It is engineered for compatibility with Profitest Master instruments, simplifying setup and reducing the need for additional adapters. The adapter's design focuses on straightforward integration into existing test routines and consistent signal transmission for repeatable measurements.
Suitable for
 Portable appliance testing (PAT)
 Safety checks and insulation tests with Profitest Master
 Electrical diagnostics and functional measurements
 Service and maintenance tasks by electricians and technicians
Key specifications
 Brand: gmc-i messtechnik
 Manufacturer part number (MPN): Z501O
 Model: PRO-A3 II
 EAN: 4012932120349
 Compatibility: Profitest Master series test instruments
How to use
Connect the Z501O PRO-A3 II adapter to the appropriate Profitest Master instrument connector and attach the test leads or device under test according to the Profitest Master operating manual. Verify secure mechanical and electrical connection before starting measurements. Follow the measurement sequence and settings of the Profitest Master instrument; use the adapter to ensure correct signal routing and stable contact during all test procedures.
Usage recommendations
Use the adapter only with compatible Profitest Master instruments and in accordance with the instrument's safety instructions. Inspect connectors for damage or contamination before use and replace the adapter if mechanical or electrical faults are detected. Store the adapter in a dry, dust-free environment when not in use to preserve contact quality.

## FAQ

### How much does the Messadapter Gossen Metrawatt Z501O PRO-A3 II cost, and is it available for purchase?

The price is 237.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 27.07.2026 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. All transactions are 100% secure and encrypted.

### 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 gmc-i messtechnik 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 gmc-i messtechnik 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/3824587/66001887_large.webp

