Flow Meter Paddlewheel | 2537

Flow Meter Paddlewheel | 2537

Flow Meter Paddlewheel  – Overview

This paddlewheel sensor has the added functionality of various output options including multi-functional pulse, flow switch, digital (S3 L) or 4 to 20 mA. It offers low flow, low power and high resolution.  It can be configured onsite directly through the built-in user interface. Installation is simple as it utilises the same fittings as the popular Signet 515 and 2536 Paddlewheel Sensors and fits into pipe sizes ranging from DN15 to DN200 (½ to 8 in.). Available in Polypropylene and PVDF. It is ideal for chemical processing, water and wastewater monitoring, and scrubber control.

Flow Meter Paddlewheel  – Features

  • Digital (S3 L) or 4 to 20 mA outputs or (Multi-function)
  • Allows for up to six sensors to Signet 8900 Multi-Parameter Controller
  • Low flow capabilities down to 0.1 m/s (0.3 ft/s)
  • Polypropylene or PVDF sensor bodies
  • Polypropylene and PVDF retaining nuts standard, Valox optional
  • Installs into pipe sizes DN15 to DN200 (½ to 8 in.)
  • Test certificate included for -X0, -X1
  • Low power and high resolution

Description

Flow Meter Paddlewheel | 2537

Specifications
General
Operating Range 0.1 to 6 m/s 0.3 to 20 ft/s
Pipe Size Range DN15 to DN200 ½ to 8 in.
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
Wetted Materials
Sensor Body Glass-filled PP (black) or PVDF (natural)
O-rings FKM (std) optional EPR (EPDM) or FFKM
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
Electrical
Multi With Dry Contact Relay 24 VDC nominal, ±10%, regulated, 30 mA max current
With Solid State Relay 6 V to 24 VDC, ±10%, regulated, 30 mA max current
Digital (S3 L) 5.0 VDC min to 6.5 VDC max., 30 mA max current (1.5 mA nominal)
4 to 20 mA 400 mV max ripple voltage, 30 mA max current
Maximum Pulse Rate 300 Hz
Maximum Pulse Width 50 ms
Minimum Pulse Rate 0.5 Hz
Compatible with PLC, PC or similar equipment
Compatible with customer
supplied metering pump
Digital (S3 L) Version 5 VDC nominal, regulated, 3 mA max current
Type Serial ASCII, TTL level 9600 bps
Maximum Cable Length Refer to Signet 8900 wiring specifications.
Compatible with Model Signet 8900, 9900 and 9950
4 to 20 mA Version 12 to 32 VDC nominal, ±10%, regulated, 21 mA max current
Loop Accuracy ±32 µA @ 25 °C @ 24 VDC)
Loop Resolution 5 µA
Temperature Drift ±1µA per °C max.
Power Supply Rejection ±1µA per V
Maximum Cable 305 m; 1000 ft
Maximum Loop Resistance 600 Ω @ 24 VDC ; 1 KΩ @ 32 VDC
Load Impedance 375 Ω
Reverse Polarity and
Short Circuit Protected
Up to 40 V, 1 hour
Over-voltage Protection > 40 VDC over 1 hour
Relay Specifications Mechanical SPDT 5 A @ 30 VDC, 5 A @ 250 VAC
Solid State Relay 100 mA @ 40 VDC, 70 mA @ 33 VAC
Relay Modes Low, High
Time Delay 0.0 to 6400.0 seconds
Hysteresis Adjustable for exiting alarm condition
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
Relative Humidity 0 to 90%, non-condensing
Flow Sensor/ Retaining Nut PP 12.5 bar @ 20 °C 181 psi @ 68 °F
1.7 bar @ 85 °C 25 psi @185 °F
PVDF 14 bar @ 20 °C 203 psi @ 68 °F
1.7 bar @ 85 °C 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
Environmental
Enclosure NEMA 4X/IP65
Shipping Weight
0.640 kg
Standards and Approvals
CE, FCC, UL, NSF (3-2537-XC-PX version only)
RoHS compliant, China RoHS
Manufactured under ISO 9001 for Quality and ISO 14001 for Environmental
Management and OHSAS 18001 for Occupational Health and Safety

Flow Meter Paddlewheel | 2537

Brand

Georg Fischer

georg Fischer Signet logo

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