LARK® LOW PRESSURE SODIUM LAMP ND20 Gp20Na-1 AUTOMATIC POLARIMETER BULB

LARK® ND20 (Gp20Na-1) low pressure sodium lamp. The low-pressure sodium lamp can radiate a strong 589.0nm, 589.6nm sodium line, and has good monochromaticity. It is often used as a monochromatic light source in instruments such as polarimeter, refractometer and polarimeter. GD20 (Gp20Hg) low pressure mercury lamp, Low-pressure mercury lamps can radiate strong 253.7nm, 404.7nm, 435.8nm, 546.1nm, 577nm, 579nm mercury lines, often used as monochromatic sources in polarimeter, refractometer, polarimeter and other instruments.

Description

Double Ring Pressure LARK® Sodium Lamp ND20 Gp20Na-1 Automatic Polarimeter Bulb

ND20 (Gp20Na-1) low-pressure sodium lamp
The low-pressure sodium lamp can radiate a strong 589.0nm, 589.6nm sodium line, and has good monochromaticity. It is often
used as a monochromatic light source in instruments such as polarimeter, refractometer and polarimeter.
GD20 (Gp20Hg) low pressure mercury lamp
Low-pressure mercury lamps can radiate strong 253.7nm, 404.7nm, 435.8nm, 546.1nm, 577nm, 579nm mercury lines, often
used as monochromatic sources in polarimeter, refractometer, polarimeter and other
instruments.

Characteristic:

Power: 20W
Working voltage: AC15±5V
Working current: AC1-1.3A
Outer diameter: φ28mm
Length: 155mm
Lamp cap: pin / screw!

Precautions:
The lamp is ignited at the rated voltage. When igniting, the ballast must meet the requirements in series. Do not directly insert
the power supply. The second and seventh wires of the backlight are the lead wires of the lamp, and the rest are empty feet.

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