描述
xSpecific 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.
附加信息
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