Surveyor Series includes PSC-450-G7 for glass industry, PSC-764-1M for metal industry, and miniature PSC-640. Weighing 320 g, latter has video graphics array resolution, 640 x 480 pixels optical resolution, and 7.5–13 μm spectral range. Model PSC-450-G7 delivers 382 x 288 pixels optical resolution and 7.9 μm spectral range, while PSC-764-1M offers 0.92 – 1.1 μm spectral range and optical resolutions of 764 x 480 pixels @ 32 Hz, 382 x 288 pixels @ 80 Hz, and 72 x 56 pixels @ 1,000 Hz.