The lamp specialist Heraeus Noblelight (Germany) as launched a mercury-free timer and new power supply for Deuterium Lamps. Deuterium lamps are used in high value analytical instruments tomonitor environmental contamination and to test for food composition. These applications demand critical performance in terms of reliability, accuracy and reproducibility.
The application demands apply equally well to the deuterium lamps and their power supplies, as the consistency of the UV radiation from the lamp is an important factor for reliable measurement data. Modern deuterium lamps meet strict requirements with regard to noise, long term stability and operating life. Power supplies should be designed to match the variety of lamp operating conditions to ensure optimum lamp
performance. Consequently, Heraeus offers its own range of power supplies, from bench top laboratory design to fully integratable OEM versions, all developed through its long experience with deuterium lamps.
Because of the newRoHS regulations the use ofmercury has become limited for electronic devices such as timers. The new Heraeus ETI 300 mercury-free time indicator is the first one which totally complies with the RoHS directive.
The hours are shown on a 4 digit LCD display. It works on a purely electronic basis and was developed as a replacement for the widely used elapsed time indicators based on mercury electrolysis.
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