Ushio USH-102DH 100W 20V Mercury Arc Lamp 200Hr Life 3.54in UV Light Source

Ushio USH-102DH 100W 20V Mercury Arc Lamp 200Hr Life 3.54in UV Light Source

The Ushio USH-102DH is a 100-watt short-arc mercury lamp designed for applications requiring an intense, stable UV and visible light output from a compact arc source. It operates at 20 volts DC and delivers an average rated life of 200 hours. The lamp is manufactured by Ushio Inc. of Tokyo, Japan, and is supplied in its original protective plastic case with foam cushioning.

Specifications & What's Included

• Manufacturer: Ushio Inc., Tokyo, Japan
• Model: USH-102DH
• Power: 100 Watts
• Operating Voltage: 20V DC
• Average Rated Life: 200 hours
• Overall Length: 3.54 inches (90mm)
• Lamp Diameter: 0.39 inch (10mm)
• Lamp Type: Short-arc mercury (DC)
• Includes: Lamp in original Ushio plastic protective case with foam insert

Applications

Short-arc mercury lamps like the USH-102DH are the standard light source in fluorescence microscopy systems, where their intense UV and broad-spectrum visible output excites fluorescent dyes and stains across a wide range of excitation wavelengths. They are also used in UV-curing systems, photolithography exposure equipment, spectroscopy instruments, and other scientific and industrial instruments that require a high-radiance, point-like arc source. The USH series lamps from Ushio are a direct replacement type used in a wide range of microscope illuminators and light guide systems from manufacturers including Olympus, Nikon, Leica, and Zeiss. The compact 100W class arc lamp became a dominant choice in life-science imaging through the 1980s and 1990s and remains in active use today wherever legacy fluorescence microscopy systems are maintained and serviced.