Know-how

Lighting engineering formulas and terms Explanations of the terms: luminous flux, luminous intensity, solid angle, luminance, luminous efficacy of lamps, illuminance

Diagrams showing the voltage loss in the connection lead from the transformer to the LED circuit boards at different conductor cross-sections and current levels

Explanations on the LED Tube. Orientation of the LEDs. Contours-oriented installation of the LED Tube. Illumination of corners within channel letters

How does the brightness (measured in lux) change with increasing or decreasing depth of the channel letter? Comparison of the brightness using profile depths between 40 and 150 mm

Technical data of acrylic glass. Identification and properties of high-voltage fluorescent tubes

Dimming of devices by means of forward and reverse phase control. Illustration of the voltage wave form for both types of dimming

Position of the individual LED light colours in the standard colour chart according to DIN 5033

Illumination of three-dimensional advertising signs with LEDs. Letter depth and brightness

Measurement and tabular representation of the brightness of backlit acrylic glass. Comparison of the luminance with coloured and white LED light

Explanations on the LED Tube. Converter load diagram. Connecting principle. Dimensions

Uniform illumination. Long service life. High level of system safety, particularly in outdoor installations. More light in cold conditions. No risk of breakage. Simple and fast installation

Explanations on the dimensioning of illuminated letters. Profile width. Profile depth. Colour of the inside wall. Type of acrylic glass

Explanations on the protection against accidental contact and open circuit protection according to EN 50107...

Illustration and explanations on permitted cables for luminous discharge tube

Illustration of the ignition and burning voltage of neon tubes

Influence of the temperature on the tube brightness

Installation advice for EVGs. Operating principle of EVGs. Effects of parallel high-voltage cables. Distance to metal

Frequently asked questions and answers about the use of electronic converters in neon advertising signs

Illustration and explanation of the characteristic curve of constant-current transformers

Formula for and explanations on calculating the ignition voltage of luminous discharge tubes

Creepage distances and clearances according to EN 50107. Degrees of protection according to DIN 40050

Influence of the cable capacitances on the tube current. Current peaks due to long cables

Tube voltage at different tube diameters. Type of filling gas. Burning voltage at different temperatures. Burning voltage and tube ageing

Advice for safe installation of neon systems with EVG converters

Installation advice for EVGs. Secondary circuit layout. Central high-voltage supply

Operating temperature of core & coil transformers. Operating temperature of EVGs or constant-current Transformers

Tube length table for constant current transformers

Maximum cable lengths according to EN 50107. Recommendations for the length of high-voltage cables

Illustration and explanation of the inrush current of electronic converters (EVGs) and core & coil transformers

Effects of the tube current. Recommendations for the maximum tube current

Advice for safe installation of neon systems with EVG converters

Installation advice for EVGs. Special advice for 8-kV EVGs

Explanations on the design and behaviour of constant-current transformers

Tube length table for electronic converters (EVGs)