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GF Signet 2551 Series Magmeter Flow Sensor

Magmeter Flow Sensor
2551 Series

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 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 inches), 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 to 20 mA output can be set for uni- or bidirectional flow using the display or the 3-0250 USB to Digital (S3L) Configuration/ Diagnostic setup tool which connects to PCs for programming capabilities.

In addition the display version of the 2551 Magmeter is available with relays and features permanent and resettable totalizer values which can be stored and seen on the display. Also, the display contains multi-languages with English, Spanish, German, French, Italian and Portuguese menu options.

• Test certificate included for -X0, -X1
• Patented Magmeter technology
• No moving parts
• Bi-directional flow
• Empty pipe detection
• Installs into pipe sizes DN15 to DN900 (0.5 to 36 in.)
• Operating range 0.05 to 10 m/s (0.15 to 33 ft/s)
• Accurate measurement even in dirty liquids
• Blind 4 to 20 mA, digital/frequency, relay output
• No pressure drop
• Corrosion resistant materials; PP or PVDF with SS, Hastelloy-C, or Titanium
• Multi-language display menu available

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5
XXXXXXXXXXXX
Table 1Sensor Part No.
3-25513-2551
Table 2Sensor Body (Transducer) and Electrodes/Grounding Ring Materials - Choose One
-PPolypropylene and 316L SS
-TPVDF and Titanium
-VPVDF and Hastelloy-C
-WPVDF and 316L SS
Table 3Pipe Size - Choose One
0DN15 to DN100 (½ to 4 in.)
1DN125 to DN200 (5 to 8 in.)
2DN250 to DN900 (10 to 36 in.)
Table 4Display Options - Choose One
-1No Display
-2With Display, two SPDT relays, one solid state relay
-4With Display
Table 5Output Options - Choose One
24 to 20 mA output; for use with PLC, PC or similar equipment
General
Operating Range 0.05 to 10 m/s (0.15 to 33 ft/s)
Pipe Size Range DN15 to DN900 (½ in. to 36 in.)
Linearity ±1% reading plus 0.01 m/s (0.033 ft/s)
Repeatability ±0.5% of reading @ 25 °C (77 °F)
Minimum Conductivity 20 μS/cm
Wetted Materials
Sensor body/Electrodes and Grounding ring • -P0, -P1, -P2: PP/316L SS
• -T0, -T1, -T2: PVDF/Titanium
• -V0, -V1, -V2: PVDF/Hastelloy-C
• -W0, -W1, -W2: PVDF/316L SS
O-rings • FPM (standard)
• EPR (EPDM), FFPM (optional)
Case PBT
Power Requirements
• 4 to 20 mA 24 VDC ±10%, regulated, 22.1 mA max.
• Frequency 5 to 24 VDC ±10%, regulated, 15 mA max.
• Digital (S3L) 5 to 6.5 VDC, 15 mA max.
• Auxiliary (only required for units with relays) 9 to 24 VDC, 0.4 A max Reverse polarity and short circuit protected
Current output (4 to 20 mA)
• Loop Accuracy 32 μA max. error (25 °C @ 24 VDC)
• Isolation Low voltage < 48 VAC/DC from electrodes and auxiliary power
• Maximum Cable 300 m (1000 ft)
• Error condition 22.1 mA

• Chemical Processing
• Water and Waste Water Monitoring
• Metal Recovery and Landfill Leachate
• Commercial Pools, Spas, and Aquariums
• HVAC
• Irrigation
• Scrubber Control
• Neutralization  Systems
• Industrial Water Distribution



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