The Keyence IM-7020 is a piece of laboratory equipment — specifically a digital measurement projector, also known as an image measuring system — used for high-precision dimensional inspection and measurement of parts and components. Keyence is a well-established Japanese manufacturer recognised globally for its sensing, measurement, and inspection instruments, serving industries ranging from electronics and automotive to medical devices and precision engineering.
This 2020 machine captures images through a monochrome CMOS sensor with a 1-inch format and 6.6 megapixels, displaying results on a 10.4-inch LCD monitor at XGA resolution (1024 × 768 pixels). The optical system uses a dual telecentric objective, which is important in metrology as it eliminates perspective error and ensures consistent magnification regardless of part height, making measurements far more reliable than with conventional optics.
The system offers two distinct measuring field modes. In wide-field measuring mode, the measurement area extends to 200 mm × 200 mm, with display resolution repeatability of ±1 μm (platinum-free) or ±2 μm with stage, and normal measurement accuracy of ±5 μm. In high-precision measuring mode, the field narrows to 125 mm × 125 mm, with repeatability of ±0.5 μm (platinum-free) or ±1.5 μm with platen, and normal measurement accuracy of ±2 μm. Attached measurement accuracy is stated as ±(7 + 0.02L) μm for wide-field mode and ±(4 + 0.02L) μm for high-precision mode, where L represents the measured length.
The unit additionally incorporates a light sensor probe for contact-based measurement. The light probe has a diameter of 3 mm, a measuring force of 0.015 N, and covers an XY measurable range of 90 mm × 90 mm with a maximum measurement depth of 30 mm. Repeatability for this mode is stated at ±2 μm, with measurement accuracy of ±(8 + 0.02L) μm.
Lighting is handled by a telecentric through-light system supplemented by incident lighting with quadripartite illumination from selectable angles (electrically controlled) and slit ring lighting, providing flexibility for different surface types and part geometries. The motorised XY object table offers a movement range of 100 mm × 100 mm and supports a maximum load of 5 kg. The Z-axis table has a motorised movement range of 75 mm.
Connectivity is comprehensive: the machine is equipped with a Gigabit Ethernet port (RJ-45, supporting 10BASE-T, 100BASE-TX, and 1000BASE-T), six USB 2.0 ports (two on the front panel, four at the rear), and external I/O for remote control and pass/fail output via PhotoMOS relay rated at 24 VDC and 0.5 A. Internal storage is provided by a 500 GB hard drive. Power supply accepts 100 to 240 V AC at 50/60 Hz with a maximum consumption of 430 VA. The unit weighs 31 kg and is rated for ambient temperatures of +10 to +35 °C and relative humidity of 20 to 80% (non-condensing). This example was manufactured in 2020, is offered in used condition, and is currently located in Germany.
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