The NRT Technic digital product catalog brings together gold analysis, fiber laser marking and cutting, induction melting, laser welding and ultrasonic cleaning machines for jewellery workshops in one place. Below you'll find a summary of each product group, its technical data and a downloadable PDF catalog.
Non-destructive precious metal analysis using XRF technology. Analyses up to 30 elements per measurement across the S (No. 16) – U (No. 92) range, 0.010 % – 99.999 % span and ±0.03 % accuracy against a 9999 gold reference. Si-PIN detector (AMPTEK, USA), Ø 1.2 mm collimator for spot measurement, typical test time 60 seconds. Includes plating plus rhodium/tungsten detection alerts and an optional scale integration.
Engraving, marking and image processing with 20, 50 and 100 W power options. Works on wedding bands, marks multiple materials, features advanced air cooling and automatically adjustable focus. Compatible with AI, EMF, DXF, JPG, GIF, PCX, BMP and TIFF files; remote support via WhatsApp, TeamViewer and AnyDesk. Two-year warranty and a multilingual video training set.
A compact 20 W fiber laser marking machine for the jeweller's bench. 110 × 110 mm marking area, aluminium-coated housing, auto-adjusting focus, foot pedal and 7000 mm/s marking speed. Laser module life of 100,000 hours; engraves text and photos on wedding bands, marks multiple materials and uses advanced air cooling. Supports AI, EMF, DXF, JPG, GIF, PCX, BMP and TIFF, runs on all Windows versions and draws little power.
Compact 1.5 kg melting solution for gold and silver. IGBT technology delivers stable, high-efficiency performance, with integrated multi-level protection against overvoltage, overcurrent, overheating and low water level. Runs continuously for 24 hours, heats up rapidly and offers a digital control system for time, temperature and power. Ideal for small workshops and precision work.
A 2 kg melting capacity for higher production throughput. Advanced melting solution for gold and silver, with IGBT technology for stable efficiency and a powerful heating system for faster processing. Includes overvoltage, overcurrent, overheating and low-water protection plus a digital control system for time, temperature and power.
Industrial-grade gold and silver melting with 3, 5 and 10 kg pure gold capacity options. Three-phase 380 V 50/60 Hz, 20 kW power; 1200/1450 °C operating temperature and a 5–10 minute melt time. Minimum 100 L water cooling, 500 × 500 × 875 mm body, 65 kg net weight. Supplied with a graphite crucible, ceramic crucible, crucible tongs and two water hoses.
Precision welding for gold, silver, stainless steel and various jewellery materials with 150–200 W power options. The integrated CCD touchscreen gives clear visual control and lets you adjust the laser spot size on screen. One-touch water cooling, intelligent temperature alarm, low 40–50 dB noise level and a compact design. Two-year warranty.
Deep, effective cleaning with 220 V 50–60 Hz supply, 1600 W ultrasonic power and 2000 W heating power. Capacity options from 4 L to 60 L, a separate water tank and a durable stainless steel basin. Adjustable temperature control and a digital timer for precise cycles. An environmentally friendly solution for jewellery and precious metal cleaning, with a two-year warranty.