Deuterium halogen lamp source deuterium tungsten lamp DH-mini Wide spectrum light source

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DH-mini Miniature wide spectrum light source
DH Mini is a compact UV visible light source designed for all types of handheld devices requiring low power consumption UV visible mobile spectrum analysis.

Deuterium halogen lamp source deuterium tungsten lamp DH-mini
 

DH mini system is a complete UV-Vis-Nir light source, including deuterium lamp, 0.25W tungsten lamp, shutter, light path system and SMA905 interface. All the components are installed on a 12V DC / 600mA power supply. The deuterium lamp, tungsten lamp and shutter can be controlled independently by TTL signal.


[Service life and cycle work]
DH-Mini deuterium lamp adopts electrodeless discharge lamp (EDL) driven by high frequency. Its lighting times will not shorten its service life. It can be turned on and off according to the instructions, and can work in cycle. The continuous working life of DH-Mini deuterium lamp is >1000 hours. In addition, the repeatability and stability between pulses are consistent, and the deviation is within 0.1%. Instant opening and homeostatic stability.

DH-Mini is the only deuterium lamp that can turn on and output stable spectrum instantaneously, which makes it unique in ultraviolet light source. Therefore, DH-Mini is an ideal light source for analytical instruments used in pollution monitoring. In the monitoring, the absorption spectrum is only measured for a few seconds, and the measurement is repeated after a long time interval. In this kind of monitoring, fiberlight is only turned on for a short period of time, while it is turned off most of the time. There is no doubt that the stability of measurement is the best due to the repeatability between pulses.

[Application examples]
In order to measure the nitrate content in sewage, turn on DH-Mini for 2 seconds, measure the nitrate absorption spectrum, and repeat the measurement every 60 seconds. The measurement stability is the best, and the service life under this working condition can be as long as 3 years.


[Applications]
Ultraviolet visible (UV Vis NIR) spectrum analysis in laboratory;
Environmental monitoring, such as water quality monitoring, sewage analysis, marine chemistry, bioassay, etc;
Process control;
Independent light source;
Spectrum calibration.

[Specification]
Spectral distribution: 185-2500nm
Power dissipation: 6W
Power requirements: 12V DC / 0.6A DC
Working environment temperature: 5-35℃
Tamaño: 180 x 64 x 48 mm
Weight:500g
TTL (shutter): include
Tungsten lamp: include
External control: 1, Lamp (deuterium lamp, tungsten lamp) independent switch;
    2, The shutter opens and closes;
    3, The green LED lights up when 12VDC supply voltage is applied
Outgoing light: Focused beam or parallel beam
Fiber interface: SMA905
Numerical aperture(NA):  deuterium lamp 0.245, Tungsten lamp 0.057

Deuterium lamp:
Spectral distribution: 185-400 nm
Window material: Fused quartz
Light output (radiation intensity): ≥ 5×10-8 W/sr @ 240nm
Stability: ≤1×10-3 AU
Shift: ≥ 0.25% /hours
Excitation frequency: 250 kHz
Working voltage: About 1kV
Service life:≥ 1000 hours @240nm(50% strength attenuation)
Power dissipation: About 5W

Tungsten lamp:
Spectral distribution: 400-2500 nm
Voltage: 5V DC
Electric current: 45mA DC
Typical service life: ≥ 2000 hours
  

 

Deuterium halogen lamp source deuterium tungsten lamp DH-mini

Deuterium halogen lamp source deuterium tungsten lamp DH-mini
 

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