2551 Magmeter Flow Sensor The Signet 2551 Magmeter is an insertion-style magnetic flow sensor that features no moving parts. The patented* sensor design is available in corrosion-resistant materials to provide long-term reliability with minimal maintenance costs. Material options include PP with stainless steel, PVDF with Hastelloy-C, or PVDF with Titanium. Utilizing the comprehensive line of Signet installation fittings, sensor alignment and insertion depth is automatic. These versatile, simple-to-install sensors deliver accurate flow measurement over a wide dynamic range in pipe sizes ranging from DN15 to DN900 (½ to 36 in.), satisfying the requirements of many diverse applications. Signet 2551 Magmeters offer many output options of frequency/digital (S3L) or 4 to 20 mA which are available on both the blind and display versions. The frequency or digital (S3L) sensor output can be used with Signet's extensive line of flow instruments while the 4 to 20 mA output can be used for a direct input to PLCs, chart recorders, etc. Both the 4 to 20 mA output and digital (S3L) sensor interface is available for long distance signal transmission. An additional benefit is the empty pipe detection which features a zero flow output when the sensors are not completely wetted. Also, the frequency output is bi-directional while the 4 to 20 mA output can be set for uni- or bi-directional flow using the display or the 3-0250 USB to Digital (S3L) Configuration/Diagnostic set-up tool which connects to PCs for programming capabilities. Fields of Application: Chemical Processing Water and Wastewater Monitoring Metal Recovery Landfill Leachate Commercial Pools, Spas and Aquariums HVAC Scrubber control Neutralization Systems Industrial Water Distribution Advantages: Patented Magmeter technology No moving parts Bi-directional flow Empty pipe detection Installs into pipe sizes DN15 to DN900 (½ to 36 in.) Operating range: 0.05 to 10 m/s (0.15 to 33 ft/s) Accurate measurement even in dirty
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