Worldwide shipping with track & trace

Quality mark certified

Welcome to Deltron

We are closed from December 18th to January 5th, 2026 – Orders will be shipped again from January 6th, 2026

✨ We wish everyone a very happy, warm, and cozy holiday season 🎄 🎁 and a healthy, happy, and successful 2026! 🥂

Nissei DG-503 MAX

SKU: NIS DG503MAX
€ 199,95 Tax included

Delivery time:

1-3 Business Days

Whether you're a seasoned radio amateur, a professional user, or an enthusiastic hobbyist, the Nissei DG-503 MAX is your reliable partner for accurately measuring SWR and power. This advanced digital meter measures forward power, reflected power, and SWR, and is compatible with both analog and digital transmitters.

With a large, bright 3.5-inch LCD screen, you can read all values at a glance, from DMR (TDMA) to SSB and AM . Thanks to the intuitive operation and backlight, you can work effortlessly even in dimly lit environments.

Why choose the DG-503 MAX?

  • One-button forward/reflected power and SWR measurement
  • Suitable for 1.6–60 MHz and 125–525 MHz frequency range
  • Support for digital modes: DMR, SSB (PeP) and AM
  • Accurate power measurement up to 200 Watts
  • Compact design with clear layout and reliable UHF (SO-239) connectors

This digital SWR and wattage meter is ideal for tuning your antenna, optimizing transmission performance, and monitoring the efficiency of your installation. With a minimum SWR sensitivity of 1 watt and a high measurement accuracy of ±5%, this device delivers the performance you expect from a top-of-the-line measuring instrument.

Whether you're transmitting on 28 MHz, 145 MHz, or 435 MHz, the DG-503 MAX delivers the precision and versatility you need.


Why Deltron?

💚 18 years of experience in communications equipment and accessories
Our knowledge is your security. Since 2007 we have been helping professionals and enthusiasts with reliable solutions.

💚 Fast delivery from stock. Ordered today = fast delivery. No waiting time, but certainty.

💚 100% original A-brand products. At Deltron you only buy original, certified products from renowned brands - no counterfeits, no worries.

💚 Buy on account for business customers (B2B). Easy and trusted payment via invoice. Specially for companies and governments.

💚 Pay afterwards or in 3 installments with Klarna and iDeal-in3. Order safely and quickly online at Deltron and pay afterwards with Klarna or choose iDeal-in3 and pay in 3 installments without interest and BKR registration.

💚 Certified webshop with reliable reviews. Deltron is Webshop Keurmerk-certified and reviewed via Trustpilot - so you can be sure that you order safely and reliably.

Nissei DG-503 MAX digitale SWR en Watt meter met groot verlicht LCD-display
Nissei

Nissei DG-503 MAX

€ 199,95 Tax included

Whether you're a seasoned radio amateur, a professional user, or an enthusiastic hobbyist, the Nissei DG-503 MAX is your reliable partner for accurately measuring SWR and power. This advanced digital meter measures forward power, reflected power, and SWR, and is compatible with both analog and digital transmitters.

With a large, bright 3.5-inch LCD screen, you can read all values at a glance, from DMR (TDMA) to SSB and AM . Thanks to the intuitive operation and backlight, you can work effortlessly even in dimly lit environments.

Why choose the DG-503 MAX?

This digital SWR and wattage meter is ideal for tuning your antenna, optimizing transmission performance, and monitoring the efficiency of your installation. With a minimum SWR sensitivity of 1 watt and a high measurement accuracy of ±5%, this device delivers the performance you expect from a top-of-the-line measuring instrument.

Whether you're transmitting on 28 MHz, 145 MHz, or 435 MHz, the DG-503 MAX delivers the precision and versatility you need.

View product
Hulp nodig bij je keuze?