Gester Instruments | Professional Textile, Footwear and PPE Testing Equipments Manufacturers Since 1997
Standard light source color light box operation instructions
It is a professional comprehensive supplier of material testing instruments and laboratory overall solutions. The main products are: standard light source box, color matching light box, standard light source matching color light box, evaluation light box, rating light box, color and color evaluation, display Micro and forensic inspection, 3d body scan and dummy simulation, mattress testing equipment, carpet testing equipment, toy testing equipment, humidity measurement&Control systems, accessories for soil temperature and humidity meters, textile and clothing, non-woven and geotextile testers, air permeability testers and other products. 1 Insert one end of the power cord into the socket on the back of the light box, and the other end into the power supply socket (note that the power supply must match the power indicated on the light box). At this time, the timing display will show a running time, indicating that the power is turned on. 2 Press the ON/OFF button once, and the timer will display the total time used by the light box. 3 Press the D65 button, the D65 lamp will light up, and the timer will display the time that the D65 lamp has been used. Press the F/A, TL84, CWF, U30 or UV button, the corresponding group of lamps will light up, and the timer will display the used time of this group of lamps. To turn on two or more light sources at the same time, just press two or more keys at the same time. 4. Place the tested items in the middle of the light box bottom plate. When comparing the colors of two or more items, do not overlap them for viewing, but place them side by side in the light box for comparison. 5 The viewing angle is 90°light source, 45°Line of sight is appropriate. As shown in the figure below, the light source illuminates the detected object from a vertical incident angle, and the observer starts from 45°Observed. 6 After the detection is completed, press the ON/OFF button to turn off the machine. Turn off the power after get off work or when not in use for a long time. 7 When replacing the new lamp, install it according to the arrangement position of the lamp or the mark on the lamp socket. Do not reverse the position of the different lamp. After replacing the lamp, the usage time of the new lamp should be reset. Light up the replaced lamp, insert a small screwdriver into the central hole of the CLR, and press this button (the timing of other lamps that are not lit will not be reset). Note: Do not use the CLR button when the lamp is not replaced, so as not to reset the timer time. 8 The standard light sources equipped with the light box are all installed in the fixed position of the light box, and the positions cannot be reversed. 9. The external power supply must have a grounding device to ensure safe use.
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The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.
GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending.
2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability.
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