The Signet 2537 Flow Sensor is the next generation in fluid measurement technology from the inventor of the original paddlewheel flowmeter. It has the added functionality of various output options.

  • GENERAL
    • Input Frequency Range: 1 Hz to 1000 Hz
    • Operating Range: 0.1 m/s to 6 m/s (0.3 ft/s to 20 ft/s)
    • Linearity: ±1% of max. range @ 25°C (77°F)
    • Repeatability: ±0.5% of max. range @ 25°C (77°F)
    • Operating Range: 0.3 to 20 ft/s
  • ELECTRICAL
  • Pulse, Flow Switch
    • With dry-contact relay: 24 VDC nominal (21.6 VDC min. to 26.4 VDC max.) 30 mA max current
    • With solid-state relay: 5 to 24 VDC nominal (5.0 VDC min to 26.4 VDC max.) 30 mA max current
    • Digital (S3L): 5 VDC nominal (5.0 VDC min to 6.5 VDC max.) 3 mA max current
    • 4 to 20 mA: 12 VDC to 32 VDC nominal (10.8 VDC min to 35.2 VDC max.) 21 mA max current
  • Pulse Divider/Total Pulse Output
    • Pulse Divider Setting: 1.0000 to 99999
    • Relay Modes: Low, High
    • Time Delay: 0.0 to 6400.0 seconds
    • Hysteresis: Adjustable in Engineering Units
  • Relay Specifications
    • Mechanical SPDT: 5A @ 30 VDC, 5A @ 250VAC
    • Solid-State Relay: 100mA @ 40VDC, 70 mA @ 33 VAC
  • MAX. TEMPERATURE/PRESSURE RATING
    • Storage Temperature: -10°C to 75°C (14°F to 167°F)
    • Operating Temperature: 0°C to 65°C (32°F to 149°F)
  • Flow Sensor
    • PP: 12.5 bar @ 20°C, 1.7 bar @ 85°C (180 psi @ 68°F, 25 psi @185°F)
    • PVDF: 14 bar @ 20°C, 1.7 bar @ 85°C (200 psi @ 68°F, 25 psi @ 185°F)
  • Operating Temperature:
    • PP: -18°C to 85°C (0°F to 185°F)
    • PVDF: -18°C to 85°C (0°F to 185°F)
  • STANDARDS & APPROVALS
    • CE
    • Enclosure rating: NEMA 4X/IP65
    • UL
    • EN61326: Immunity and Emissions for Control Equipment
    • EN61010: Safety requirements for electrical equipment.
    • Manufactured under ISO 9001:2000 and ISO 14001:2004
Unit of Measure

N/A

  • Digital (S3L), or 4 to 20mA outputs, or Flow Switch, or Pulse output (multi-function)
  • Allows for up to six sensors to Signet 8900 Controller
  • Low flow capabilities
  • Built-in user interface for on-site configuration

Body Material

N/A Natural PVDF

Material of Construction

N/A Natural PVDF body, rotor and pin, FPM O-rings

Sensor Output Type

N/A Pulse Divider via Dry Contact Relay

Pipe Size Range

N/A 0.5 to 4 Inch

Input Frequency

N/A 1 to 1000 Hz.

Operating Range

N/A 0.1 m/s to 6 m/s (0.3 ft/s to 20 ft/s)

Linearity

N/A At 25°C (77°F) +/-1 %

Repeatability

N/A At 25°C (77°F) +/-0.5 %

Relay

N/A Mechanical SPDT: 5A at 30 VDC, 5A at 250VAC, Solid-State Relay: 100mA at 40VDC, 70 mA at 33 VAC

Storage Temperature

N/A (14°F to 167°F) -10 to 75 °C

Operating Temperature

N/A (32°F to 149°F) 0 to 65 °C

Standards

N/A CE, UL, Enclosure: NEMA 4X/IP65, EN61326, EN61010, ISO 9001:2000 and ISO 14001:2004

N/A

  • With dry-contact relay: 24 VDC nominal (21.6 VDC min. to 26.4 VDC max.) 30 mA max current
  • With solid-state relay: 5 to 24 VDC nominal (5.0 VDC min to 26.4 VDC max.) 30 mA max current
  • Digital (S3L): 5 VDC nominal (5.0 VDC min to 6.5 VDC max.) 3 mA max current
  • 4 to 20 mA: 12 VDC to 32 VDC nominal (10.8 VDC min to 35.2 VDC max.) 21 mA max current
  • N/A

  • Pulse Divider Setting: 1.0000 to 99999
  • Relay Modes: Low, High
  • Time Delay: 0.0 to 6400.0 seconds
  • Hysteresis: Adjustable in Engineering Units
  • N/A Max. Temperature/Pressure

  • PP: 12.5 bar @ 20°C, 1.7 bar @ 85°C (180 psi @ 68°F, 25 psi @185°F)
  • PVDF: 14 bar @ 20°C, 1.7 bar @ 85°C (200 psi @ 68°F, 25 psi @ 185°F)

  • Operating Temperature:
  • PP: -18°C to 85°C (0°F to 185°F)
  • PVDF: -18°C to 85°C (0°F to 185°F)