Dwyer MTF-1641 Multitube Flow System is a versatile and accurate temperature measuring device. With an accuracy of +/- 2% FS for correlated flow tubes and +/- 5% FS for direct reading flow tubes, it provides precise measurements at temperatures up to 250°F (121°C). The system features a vertical mounting design, a turn-down ratio of 10:1 or 20:1, and a maximum operating pressure of 200 psig. It is constructed with high-quality materials including aluminum frames with aluminum or 316 SS parts, and 316 SS frames with PCTFE orifice and fluoroelastomer o-rings. The system includes black anodized aluminum side panels, a polycarbonate front shield, and anodized aluminum or 316 stainless steel end fittings. The flowtube is made from durable borosilicate glass and is complemented by a 316 stainless steel or black glass float. The product also features PTFE float stops and Buna-N or fluoroelastomer o-rings depending on the model. Overall, the Dwyer MTF-1641 offers accurate temperature measurements in a durable and reliable package.