HT121 HT-121 UV light for NuArc

$169.00

HT121 Replacement Diazo Exposure Lamp

The HT121 is a premium 3,000-watt replacement diazo exposure lamp manufactured in the USA by TCS Technologies. Engineered as a direct replacement for M&R Screen Print and NuArc exposure systems, it delivers reliable UV output, fast warm-up, and long service life.

Compatible M&R / NuArc Exposure Systems using HT121 Lamp

The HT121 exposure lamp is compatible with the following M&R / NuArc exposure systems:

FT26 Series
• FT26V3
• FT26-V3UP
• FT26V3UP
• FT26V-3UP
• FT26V3UPNS

FT32 Series
• FT32V3
• FT32-V3UP
• FT32V3UP
• FT32V-3UP
• FT32V3UPNS

FT40 Series
• FT40V3
• FT40-V3UP
• FT40V3UP
• FT40V-3UP
• FT40V3UPNS

FT42 Series
• FT42-V3UP
• FT42V3UP
• FT42V-3UP
• FT42V3UPNS

UV lamps for NuArc equipment
Second source UV lamps for NuArc. Made in USA by TCS Technologies
Lamp HT121 is also known as
  • 5000071 Ushio
  • AM519X
  • BT HT121
  • BTHT121
  • HT-121
  • HF202B12 Hanovia
  • JGMH3090-0 Kuhnast
  • JGMH30900 Kuhnast
  • MHL-121HT Ushio
  • MHL121HT BLV
  • TH1700 Theimer
Rotary glassblowing torch sealing a quartz side tube onto a UV curing lamp during precision quartz manufacturing at TCS Technologies in the USA.
Rotary torch sealing a precision quartz side tube during the manufacture of a UV curing lamp at TCS Technologies.

 

Description

American-made Quality You Can Depend On

For nearly five decades, TCS Technologies has manufactured premium ultraviolet curing lamps for industrial printing equipment. Our HT121 replacement lamp is engineered as a direct replacement for the original NuArc lamp while providing outstanding UV performance, dependable reliability, and exceptional value.

Every lamp is manufactured and tested in the USA using premium quartz and carefully selected components to ensure consistent performance from installation through end of lamp life.

Our lamps are engineered to fit and function flawlessly with your existing NuArc and M&R Screen Print machines, regardless of model or vintage.

 

Lamp output is diazo and incorporates a gallium iodide, metal halide fill.

Optical output spectrum of a gallium UV curing lamp showing wavelength distribution optimized for diazo photopolymer exposure applications.
Gallium UV lamp optical output spectrum illustrating the characteristic wavelength peaks that provide excellent performance for diazo-based exposure systems and photopolymer processing.

TCS Technologies provides premium, reliable replacement UV lamps for industrial printing and exposure equipment. When you purchase directly from TCS Technologies, you’re buying from the manufacturer—not a distributor. Every lamp is built and tested in our New Jersey facility before shipment.

∇ Tech tip

For proper lamp operation, always position the lamp’s fill tip—the small bump on the quartz body—straight up at the 12 o’clock position. See picture below.

 

 

Metal halide UV lamp showing fill tip positioned upward for proper installation.
Correct metal halide lamp installation — position the fill tip straight up for proper lamp warm-up.

Can’t find your model? Contact TCS Technologies—we’ll help identify the correct replacement UV lamp for your equipment. For further information, our email is uvlamps@gmail.com or phone 908-852-7555 or after-hours cell phone: 908-705-0724

 

 

Glassblower sealing a UV curing lamp on a Litton quartz glassworking lathe at TCS Technologies.
Precision quartz glass sealing on a Litton glassblowing lathe during the manufacture of a TCS Technologies UV curing lamp.