The GF Signet 2537 paddlewheel flow meter builds upon the trusted legacy of its predecessors, offering several improvements:
- Advanced Functionality:
- Multiple output options for flexibility: flow switch, pulse divider, digital (S³L), or 4-20mA.
- Low flow, low power consumption, and high resolution for precise measurement.
- On-site configuration through a user-friendly interface for easy setup.
- Simple Installation:
- Uses common fittings compatible with Signet 515 and 2536 sensors.
- Fits pipes ranging from DN15 to DN200 (0.5 to 8 inches).
- Durable Construction: Available in Polypropylene and PVDF materials for compatibility with various chemicals.
- Versatile Applications: Ideal for chemical processing, water/wastewater monitoring, and scrubber control.
Feature of GF Signet 2537 Paddlewheel Flow Meter
- Digital (S3L) and 4 to 20 mA outputs (Multi-function)
- Allows up to six connections to the Signet 8900 Controller
- Low flow capabilities down to 0.1 m/s (0.3 ft/s)
- Polypropylene or PVDF sensor bodies
- Polypropylene or PVDF retaining nuts
- Installs into pipe sizes DN15 to DN200 (1/2to 8 in.)
- Test certificate included for -X0, -X1
- Low-power and high-resolution options
Application of GF Signet 2537 Paddlewheel Flow Meter
- Process flow monitoring
- Pump protection
- Pure water production
- Filtration systems
- Chemical production
- Reverse osmosis
- Demineralization / regeneration
- Fume scrubbers
- Cooling towers
- Proportional metering pump
Specification of GF Signet 2537 Paddlewheel Flow Meter
| Feature | Value |
| Operating Range | 0.1 m/s to 6 m/s |
| Pipe Size Range | DN15 to DN200 |
| Linearity | ±1% of max. range @ 25 °C (77 °F) |
| Repeatability | ±0.5% of max. range @ 25 °C [77 °F) |
| System Response | 100 ms update rate nominal |
| Sensor Body | Glass-filled PP (black) or PVDF (natural) |
| O-rings | FPM (std) optional EPR (EPDM) or FFPM |
| Rotor Pin | Titanium, Hastelloy-C or PVDF; optional Ceramic, Tantalum or Stainless Steel |
| Rotor | Black PVDF or Natural PVDF; optional ETFE, with or w/o carbon fiber reinforced PTFE sleeve for rotor pin |
| Multi | With Dry-Contact Relay |
| With Solid-State Relay | |
| Digital (SL) | |
| 4 to 20 mA | |
| Maximum Pulse Rate | 300 Hz |
| Maximum Pulse Width | 50 ms |
| Minimum Pulse Rate | 0.5 Hz |
| Compatible with PLC, PC or similar equipment | Yes |
| Compatible with customer supplied metering pump | Yes |
| Digital [SL] Version | 5 VDC nominal, regulated, 3 mA max current |
| Type | |
| Max. Cable Length | |
| Compatible with Model Signet 8900 controller | |
| 4 to 20 mA Version | 12 to 32 VDC nominal, ±10%, regulated, 21 mA max current |
| Loop Accuracy | |
| Loop Resolution | |
| Temp. Drift | |
| Power Supply Rejection | |
| Max. Cable | |
| Maximum Loop Resistance | |
| Load Impedance | |
| Reverse Polarity and Short Circuit Protected | Up to 40 V, 1 hour |
| Over-voltage Protection | > 40 VDC over 1 hour |
| Storage Temperature | -10 °C to 75 °C |
| Operating Temperature | 0°C to 65 °C |
| Relative Humidity | 0 to 90%, non-condensing |
| Flow Sensor/ PP | 12.5 bar @ 20 °C |
| Retaining Nut | 1.7 bar @ 85 °C |
| PVDF | 14 bar @ 20 °C |
| 1.7 bar @ 85 °C | |
| Operating Temperature | PP |
| PVDF | |
| Environmental | Enclosure NEMA 4X/IP65 |
