Founded in 1979 in Zhejiang, China Daerq Office Equipment Co., Ltd. is profile projector manufacturer and designer of office products, school products and stationery. We have engineering development and designing department, mold research department, plastic injection department, printing department, assembling department, sewing department and PVC production department. Owing to hard working of every staff, we have been grown up fast, having accumulated plentiful experience of production, profile projectors design and manufacture. Our company has passed ISO9001 International Quality Certification, and all of our products have the characteristics of easy operation, long lifespan, and beauty figures.

Bench type profile projectors are useful for a variety of measurements and inspections in different industries. They have multi-layered and coated projection lenses that provide high transmission with optimum contrast, suitable for viewing contours and doing surface inspection. The profile projection equipment has a high accuracy in dimensional measurement and surface inspection. All models of our profile projectors (optical comparators) are CE marked. They have a rigid pedestal system that allows vibration free handling of their mechanical components. They have episcopic and diascopic illuminators provided so as to give bright projection on the fine ground glass projection screen They are rotatable through 360 degrees with vernier or digital angle display to reduce the requirement for many complex calculations. The screen has a 90 degree cross hair line. It also has four detachable template holders to hold a variety of transparent comparator charts. It has precision micrometer measuring stages with a rotary measuring stage that are mounted on the tables. They may also have simple to view digital counters for X-Y stage travels. These would be located near the projection screen to minimizing strain associated with too much movement. They have a circular graduated scale divided into 360 degrees in steps of one degree with vernier reading of 6 minutes.

The profile projector is compact and light weight with a table top for easy operation. It has a 360mm diameter screen with 90 degree cross hair line & chart holders. It has a projection light source with a 24V/150W halogen lamp. The projector has a double oblique light source for surface Illumination. It includes two adjustable dichroic reflector lamps 12V/100W. The projector has motorized focusing with a 60mm focusing range. The objective lens are high quality. Optical distortion is below 0.15%. The profile projector has standard magnifications of: 10x, with optional 20x, 50x and 100x. The objective lens are European made of the finest optical glass. The unit has optional work tables for micrometer heads and for linear scales with digital readout. The profile projector is cooled by a built in quiet fan. System includes operating instruction manual. It has an optional cabinet base metal stand. Optical measurement is a non-contact technique that graphically displays and measures parts with dimensions and shapes that would be hard to measure with regular tools. The heart of these systems are precision optics, superb lighting and a highly accurate workstage. They combine to ensure bright, sharp images and exceptional accuracy. Generally, horizontal models work well with parts that need to be fixtured, held in a vise or on centres.

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