Brand YUYU Low pressure sodium lamp ND20 Gp20Na-1 Auto Polarimeter Bulb GD20(Gp20Hg) Low-pressure mercury lamp

Brand YUYU Low pressure sodium lamp ND20 Gp20Na-1 Auto Polarimeter Bulb GD20(Gp20Hg) Low-pressure mercury lamp

ND20 (Gp20Na-1) low pressure sodium lamp

Low-pressure sodium lamp can radiate strong 589.0nm, 589.6nm sodium spectral lines, with good monochromaticity, and is often used as a monochromatic light source in polarimeters, refractometers, polarimeters and other instruments.

GD20 (Gp20Hg) low pressure mercury lamp

Low-pressure mercury lamps can radiate strong mercury lines of 253.7nm, 404.7nm, 435.8nm, 546.1nm, 577nm, 579nm, and are often used as monochromatic light sources in polarimeters, refractometers, and polarimeters.

Characteristic:

Power: 20W

Operating Voltage: AC15±5V

Working current: AC1-1.3A

Outer diameter: φ28mm

Length: 155mm

Socket: pin/screw

 

 

 

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