# Network Cable Tester Klein Tools VDV501-851

**URL:** https://aio.lv/en/product--klein-tools-vdv501-851--3773109
**Data updated:** 2026-01-13 17:47 (EET)
**Category:** Cable testers
**Manufacturer:** klein tools
**Manufacturer code:** VDV501-851
**EAN:** 0092644692260
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 168.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 139.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--klein-tools-vdv501-851--3773109

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Klein Tools VDV501-851 is a reliable network cable tester for UTP/STP cables. It features a 9V alkaline battery, compact dimensions of 76mm width, 32mm depth, and 178mm height. This tester is essential for ensuring proper connectivity and troubleshooting network issues, making it a valuable tool for professionals and DIY enthusiasts alike.

## Long description

The Klein Tools VDV501-851 Network Cable Tester is a handheld tool designed to verify continuity and correct wiring of UTP and STP network cables. Portable and compact, it runs on a 9V alkaline battery and is intended for field use by technicians and hobbyists who need to confirm proper cable terminations and locate wiring faults. Its dimensions are approximately 76 mm wide, 32 mm deep and 178 mm high, making it easy to carry in a tool pouch or service bag.
Advantages
The VDV501-851 offers straightforward operation and a compact form factor that supports on-site testing without bulky equipment. Using a 9V alkaline battery provides convenient power replacement where access to mains power is not available. The tester is compatible with both UTP and STP cable types, enabling verification of a broad range of standard Ethernet cabling installations. Its size and simple interface reduce setup time and make routine checks faster.
Suitable for
 Field testing of Ethernet patch cables and in-wall network runs
 Troubleshooting cable continuity and wiring order on UTP/STP cables
 Pre-installation checks and verification after termination
 Use by network technicians, electricians, installers, and DIY enthusiasts
Key specifications
 Cable compatibility: UTP and STP network cables
 Power source: 9V alkaline battery
 Height: 178 mm
 Width: 76 mm
 Depth: 32 mm
 Form factor: handheld, portable tester
How to use
Connect one end of the network cable to the main unit and the other end to the remote unit or the appropriate jack depending on the cable run configuration. Power the tester with a 9V alkaline battery and select the appropriate test mode if the device provides multiple options. Observe the indicator LEDs or display to verify continuity and correct pair wiring; follow any sequence indicated by the tester to identify open, shorted, crossed, or miswired pairs. After testing, remove the battery if the unit will be stored for extended periods to avoid leakage.
Usage recommendations
Use the Klein Tools VDV501-851 in dry conditions and avoid exposing the tester to excessive moisture or impact. Replace the 9V alkaline battery when indicator power levels are low to ensure reliable readings. For best results, test cables with both ends accessible and confirm results by re-testing after any corrective actions.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.5 kg |
| Battery technology | Alkaline |
| Number of batteries supported | 1 |
| Cable length | 610 m |
| Height | 178 mm |
| Width | 76 mm |
| Depth | 32 mm |
| Backlight display | Yes |
| Battery voltage | 9 V |
| Built-in display | Yes |
| Display type | LCD |
| Product type | UTP/STP cable tester |
| Supported connectors | BNC, RJ-11, RJ-12, RJ-45 |

## FAQ

### How much does the Network Cable Tester Klein Tools VDV501-851 cost, and is it available for purchase?

The price is 168.49 € (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 02.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Network Cable Tester Klein Tools VDV501-851 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 klein tools 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 klein tools 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/3773109/53689557_large.webp