DD2.5 DD2.5T DD10 DD10T Deuterium Lamp For Experiments And Research L613/G01/752N/754N/756MC/751GD UV Spectrophotometer's power supply

Specific parameters of Deuterium Lamp DD2.5T

1. Core optical characteristics

Optical window material: Synthetic quartz optical window with high UV transmission efficiency1.

Transmittance at 200nm wavelength: ≥88%1.

II. Electrical Parameters

Trigger voltage: The trigger voltage range for new lamps is 200–400V (DC), with some models capable of operating at as low as 170V.

Operating voltage: Tube voltage drop 75V±15% (i.e. 60–90V) 36.

Operating current: Rated current 300mA, allowable range 180–350mA.

Filament parameters: Typical filament voltage is 2.5V and current is 2.5A when powered by DC.

III. Performance and Lifespan

Lifespan: The average service life is approximately 2000 hours (long-life design)46.

Stability: After a cold start, the luminous flux drift at 220nm is ≤0.5%/h after 2 hours of preheating.

IV. Structural adaptation

Light window design: Standard flat or short convex window (protruding 3mm from the blister), UV-enhanced design 1.

Installation interface: Supports eight-pin socket plug-in type (Type B) or fixed with flange plate (Type Z)1.

V. Application Scenarios

Compatible equipment: UV spectrophotometer (such as 752/754/756PC series), some liquid chromatography systems13.

Detection range: Applicable to UV spectral analysis within the range of 190–400nm.

Specific parameters of deuterium lamp DD10

1, Electrical parameters

Filament voltage: 10V (AC or DC power supply) 4.

Filament current: 1A 4.

Tube voltage drop: 75V ± 10% (operating voltage range 60-90V) 4.

Working current: rated current 300mA 4.

Trigger voltage: 350V ± 10% (DC trigger) 4.

2, Optical characteristics

Wavelength range: covering 190-400nm ultraviolet spectrum, with stable and continuous energy of 23.

Light window material:

The basic model uses transparent quartz, suitable for conventional UV detection;

Upgrade the enhanced model (such as DD10T) to composite quartz with higher UV transmittance, with a transmittance of ≥ 88% at 200nm.

Ozone free design: Some models (such as DD10T) use ozone free quartz shells to reduce UV radiation and ozone generation.

3, Structural Design

Light window type:

Standard type: Flat or short convex window (protruding bubble shell 3mm) 6;

Long convex window type (DD10TZ-L): protruding bubble shell 15mm, suitable for special optical path requirements.

Installation method:

Fixed with flange (Z-type) or standard eight pin socket plug-in type (B-type) 6.

4, Performance and lifespan

Average lifespan: 2000 hours (under stable working conditions) 47.

Suitable equipment: UV spectrophotometer, liquid chromatography detector, atomic absorption spectrometer, etc.

5, Derivative models

DD10T: UV enhanced type, composite quartz light window, higher energy output by 3;

DD10TZ: with base design, compatible with spectrophotometer installation interface 6;

DD10TZ-L: Long convex window type, suitable for specific optical instrument configurations 56.