High Power Supply For Spectrum Tube with Hydrogen Spectrum Tube

Features:

• Hydrogen Spectrum Tube is Free with Power Supply
• Casing for holding 26.0cm (L) spectrum tube securely in place, and preventing user from touching electrodes
• Flat black finish to help eliminate ambient light
• Shielded and spring-loaded tube sockets for inserting and taking out tubes while preventing breakage
• On-off toggle switch for ease of use

Part Number: KTN286