Automatic polarimeter WZZ-2A WZZ-2S WZZ-2SS sodium lamp ND20 GP20Na 20W

Automatic polarimeter WZZ-2A WZZ-2S WZZ-2SS sodium lamp ND20 GP20Na 20W

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.

Characteristic:

Power: 20W

Operating Voltage: AC15±5V

Working current: AC1-1.3A

Outer diameter: φ28mm

Length: 155mm

Socket: pin

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