515 Paddlewheel Rotor-X Flow Sensor

Data Sheet
User's Manual

Simple to install with time-honored reliable performance, Model 515 Rotor-X paddlewheel flow sensors are highly repeatable, rugged sensors that offer exceptional value with little or no maintenance. The output signal of the Model 515 is a sinusoidal frequency capable of driving a self-powered flowmeter (Signet Model 5090). The wide dynamic flow range of 0.3 to 6m/s (1 to 20 ft/s) allows the sensor to measure liquid flow rates in full pipes and can be used in low pressure systems.

The Model 515 sensors are offered in a variety of materials for a wide range of pipe sizes and insertion configurations. The many material choices include PP, PVDF, and Tefzel make this model highly versatile and chemically compatible to many liquid process solutions. Sensors can be installed in up to DN900 (36 in.) pipes using Signet's comprehensive line of custom fittings. These custom fittings, which include tees, saddles, and weldolets, set the sensor to the proper insertion depth into the process flow. The sensors are also offered in configurations for wet-tap and intrinsically safe installation requirements.

Features:

• Flow rate range 0.3 to 6 m/s (1 to 20 ft/s)
• Wide Turndown Ratio of 20:1
• Highly repeatable output
• Simple, economical design
• Installs into pipe sizes DN15 to DN900 (0.5 to 36 in.)
• Self-powered
• 7.6m (25 ft.) cable for Standard and Wet-Tap sensors
• Chemically resistant materials
• Easy to replace rotor
• FM and CE Approved

Applications:

• Pure Water Production
• Filtration systems
• Chemical Production
• Liquid Delivery Systems
• Pump Protection
• Scrubber Systems
• Water Monitoring
• Not suitable for gases

2536 Paddlewheel Rotor-X Flow Sensor

Data Sheet
User's Manual

Simple to install with time-honored reliable performance, Model 2536 Rotor-X Paddlewheel Flow Sensors are highly repeatable, rugged sensors that offer exceptional value with little or no maintenance. The Model 2536 has a process-ready open collector signal and has a wide dynamic flow range of 0.1 to 6 m/s (0.3 to 20 ft/s). The sensor measures liquid flow rates in full pipes and can be used in low pressure systems.

The Model 2536 sensors are offered in a variety of materials for a wide range of pipe sizes and insertion configurations. The many material choices including PP, PVDF, and Tefzel make this model highly versatile and chemically compatible with many liquid process solutions. Sensors can be installed in DN 15 to DN 900 (0.5 to 36 in.) pipes using Signet's comprehensive line of custom fittings. These custom fittings, which include tees, saddles, and weldolets, seat the sensor to the proper insertion depth into the process flow. The sensors are also offered in configurations for wet-tap installation requirements.

Features:

• Flow rate range 0.1 to 6 m/s (0.3 to 20 ft/s)
• Wide Turndown Ratio of 66:1
• Open-collector output
• Simple, economical design
• Highly repeatable output
• Installs into pipe sizes DN15 to DN900 (0.5 to 36 in.)
• High resolution and noise immunity
• 7.6m (25 ft.) of cable for standard and Wet-Tap sensors
• Chemically resistant materials
• Easy to replace rotor
• CE Approved

Applications:

• Pure Water Production
• Filtration systems
• Chemical Production
• Liquid Delivery Systems
• Pump Protection
• Scrubber Systems
• Water Monitoring
• Not suitable for gases

2537 Rotor-X Paddlewheel Flowmeter

Data Sheet
User's Manual

The Signet 2537 Flow Sensor is the next generation in fluid measurement technology from the inventor of the original paddlewheel flowmeter. This sensor is an enhancement on what's already an industry standard. It has the added functionality of various output options including flow switch, pulse divider, digital (S3L) or 4 to 20 mA. Additionally, it offers low flow, low power and high resolution options and can be configured on-site directly through the built-in user interface. Installation is simple because the Signet 2537 utilizes the same fittings as the popular Signet 515 and 2536 Paddlewheel Sensors, and fits into pipe sizes ranging from DN 15 to DN 200 (½ to 8 inches). Available in a variety of wetted materials, such as Polypropylene and PVDF, it is ideal for a variety of applications including chemical processing, water and wastewater monitoring and scrubber control.

Features:

• Digital (S3L) and 4 to 20mA outputs
• Available with Flow Switch and Pulse Divider output
• Allows up to six connections to Signet 8900 Controller
• Low flow capabilities down to 0.1m/s (0.3 ft/s)
• Available with Polypropylene and PVDF wetted materials
• Installs into pipe sizes DN 15 to DN 200 (½ to 8 in.)
• Built-in user interface for
  on-site configuration
• Low power and high resolution options

Applications:

• Process Flow Monitoring
• Pump Protection
• Pure Water Production
• Filtration Systems
• Chemical Production
• Reverse Osmosis
• Demineralization/Regeneration
• Fume Scrubbers
• Cooling Towers

3519 Flow Wet-Tap Valve

Data Sheet
User's Manual

The Signet 3519 Flow Wet-Tap Valve serves as a unique interface between the installation fitting and the Wet-Tap style Signet 515 or 2536 Rotor-X flow sensor.  It provides a fast method of removing the sensor from the pipe under specified operating pressures.  The PVC &stainless steel design of the Wet-Tap makes it resistant to corrosion and chemical attack by acids, alkalies, salt, and a number of other harsh chemicals.

The Signet 3519 Wet-Tap Valve mounts directly onto standard Signet installation fittings.  The 3519 Wet-Tap consists of a flange and support plate that threads onto the pipe fitting insert, and a PVC ball valve through which an extended length sensor is inserted into the pipe.

Features:

• Eliminates process downtime
• Includes pressure release valve for safe sensor removal
• Dual safety lanyards
• Rugged corrosion-resistant PVC construction and stainless steel hardware
• Uses either Signet 515 or 2536 Rotor-X Flow Sensors

Applications:

• Filtration Systems
• Chemical Production
• Pump Protection
• Scrubbers
• Water Distribution
• Effluent Totalization
• Process Cooling Loops
• Aquarium and Pools

525 Metalex Flow Sensor

Data Sheet
User's Manual

The Signet 525 Metalex Flow Sensor offers the added strength of an all stainless steel construction with insertion paddlewheel technology. The result is a highly reliable sensor resistant to extreme pressures and temperatures. The Tungsten Carbide shaft with Fluoroloy B® bearing provide an increased length between maintenance. A comprehensive fitting program allows installation in steel lines with the mini-block for small diameters, and either the mini-tap or saddle for pipes up to DN300 (12 in.). The self-generating signal output allows use with battery operated flow monitor (8150).

Features:

• Withstands high pressures and temperatures
• FM approved
• 0.5 to 12" pipe range
• Simple Installation
• Tungsten Carbide or Stainless Steel rotorshaft

Applications:

• Boiler Feedwater monitoring
• HVAC systems
• Chemical transport
• Heat exchangers
• Reverse Osmosis
• Boiler Condensate

2000 Micro Flow Sensor

Data Sheet
User's Manual

The Signet 2000 MicroFlow Sensor is constructed from PPS which provides high material strength. The 2000 offers two flow ranges starting at 0.03 or 0.7 gpm, for clean process liquids, regardless of fluid color or opacity. This sensor can be connected to flexible tubing or rigid pipe, and uses standard hardware for mounting. Only one moving part and a low pressure drop across the sensor reduces operating costs and maintenance requirements.

Features:

• Two flow ranges available
• 0.11 to 2.6 lpm (0.03 to 0.7 gpm)
• 1.13 to 12.11 lpm (0.3 to 3.2 gpm)
• Simple Mounting
• 1/4 in. NPT or ISO threads for simple pipe or tubing connection
• Measures clear and dark liquids

Applications:

• Coolant Flow
• Dosing
• Batch dispensing
• Not recommended for strong oxidizers

2100 Turbine Flow Sensor

Data Sheet
User's Manual

Engineered specifically for small diameter applications, the Signet 2100 Turbine Flow Sensor provides accurate readings in two flow ranges: 0.1 to 1 gpm and 0.8 to 10 gpm (metric conversion: 0.3 to 3.8 lpm and 3 to 38 lpm). The injection-molded PVDF body and ceramic bearings provide excellent chemical compatibility and long service in dosing and batching applications. Union piping and tubing connections along with removable NEMA 4X electronics allow for easy assembly and field replaceability. The 2100 can be used with 1/4", 3/8" or 1/2" tubing, or 1/2" piping for installation flexibility. End connections are available in PVDF for hose barbs, flare ends, fusion socket or IR/butt fusion, and in PVC for socket or NPT thread.

Features:

• Connection to rigid pipe or tubing unaffected by mounting angles
• PVDF & ceramic wetted parts provide superior chemical compatibility
• Low and High Flow rate capability
• Both clear and opaque fluids
• Compatible with most Signet flow instrumentation

Applications:

• Chemical Addition
• Textiles
• High-purity Chemical Dispensing
• Water Addition
• Fertigation
• Dosing
• Pump Protection

2507 Mini Flow Sensor

Data Sheet
User's Manual

The Signet 2507 Mini Flow Sensor contains a free-running rotor that is driven by the fluid flow. Within the given measurement range, the rotational speed of the rotor is proportional to the fluid flow rate. Permanent magnets built into the rotor actuate an electronic switch in the top of the sensor generating a square-wave output signal proportional to flow rate. Both opaque and transparent fluids can be measured from 0.2 to 20.0 centistokes.

Features:

• Compact Assembly
• Simple Installation
• 1/4" Threaded Connection
• Detachable Signal Connector
• PVDF Construction
• Four Flow Ranges

Applications:

• Fluid Dispensing
• Laboratory and Clinical Wet Benches
• Chemical Dosing
• Batch Processes

2517 Brass Paddlewheel Flow Sensor

Data Sheet
User's Manual

The Signet 2517 Paddlewheel Flow Sensors offer added strength and durability of brass construction for a variety of applications. The wide flow range of 0.5 to 6m/s (1.6 to 20 ft/s) allows the sensor to measure liquid flow rates in full pipes and can be used in low pressure systems. Fluoroloy B bearings and a Tungsten Carbide pin provide exceptional wear resistance. The 2517 brass sensor signal allows for remote totalization when coupled with the 8150 Battery Powered Flow Totalizer. Sensors can be installed in DN 40 to DN 600 (1.5 to 24 in.) pipes using the 1.5 inch NPT (or ISO 7/1-R 1.5) threaded process connection. The sensors are also offered in a hot-tap configuration with a bleed valve for installation in pipes up to DN 900 (36 in.) and allows for servicing without process shutdown.

Features:

• Flow rate range 0.5 to 6 m/s (1.6 to 20 ft/s)
• Standard NPT or ISO process connections
• Usable in pipe sizes up to
  DN 900 (36 in.)
• Hot-tap versions for installation/service without system shutdown
• FM Approved

Applications:

• HVAC
• Turf Irrigation
• Cooling Systems
• Filtration Systems
• Water Distribution

2540 High Performance Flow Sensor

Data Sheet
User's Manual

The Signet 2540 Paddlewheel flow sensor offers the strength and corrosion resistance of stainless steel for liquid applications with low velocity measurements. Unique internal circuitry eliminates the need for magnets in the process fluid, enabling flow measurement of 0.1 to 6 m/s (0.3 to 20 ft/s) while maintaining the advantages of insertion sensor design. Fluoroloy B® bearings and Tungsten Carbide pin provide exceptional wear resistance. The model 2540 offers field replaceable electronics and transient voltage suppression (TVS) to provide greater immunity to large voltage disturbances (ie. lightening) sometimes encountered in field wiring. Sensors can be installed in DN 40 to DN 600 (1½ to 24 in.) pipes using the 1½ inch NPT or ISO 7/1-R 1.5 threaded process connection. The sensors are also offered in a hot-tap configuration with a bleed valve for installation in pipes up to DN 900 (36 inches) and service without process shutdown. Both styles of sensors must be used in full pipes and can be used in low pressure systems.

Features:

• Flow rate range 0.1 to 6 m/s (0.3 to 20 ft/s)
• Replaceable electronics
• Non-magnetic RF detection
• Standard NPT or ISO process connections
• Hot-tap versions for installation/service without system shutdown
• For pipe sizes up to DN 900 (36 in.)
• 7.6m (25 ft.) cable

Applications:

• HVAC
• Turf Irrigation
• Cooling Systems
• Filtration Systems
• Water Distribution
• Leak Detection
• Pump Protection
• Clarified Effluent Totalization
• Ground Water Remediation
• Gravity Feed Line
• Not suitable for gases

2551 Magmeter Flow Sensor

Data Sheet
User's Manual

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 DN 15 to DN 300 (0.5 to 12 inches), satisfying the requirements of many diverse applications.

Signet 2551 Magmeters offer many output options of frequency/digital (S3L), 4 to 20 mA or relays 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 20mA 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 of up to 1,000 ft. 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 0250 USB to Digital (S3L) Configuration / Diagnostic set-up 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 total values which can be seen on the display. Also, the display contains multi-languages with English, Spanish, German, French, Italian and Portuguese menu options.

Features:

• Patented Magmeter Technology
• No moving parts
• Bi-directional flow
• Empty pipe detection
• Installs into pipe sizes DN 15 to DN 300 (½ to 12 in.)
• Flow rate range 0.05 to 10m/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

Applications:

• Chemical processing
• Demineralization regeneration
• Water and wastewater monitoring
• Metal recovery
• Landfill leachate
• Commercial pools, spas and aquariums
• HVAC
• Scrubber control
• Neutralization systems
• Industrial water distribution

2552 Metal Magmeter Flow Sensor

Data Sheet
User's Manual

The Signet 2552 Metal Magmeter from Georg Fischer features all-stainless steel construction. The PVDF nosepiece and FPM O-rings are the only other wetted materials. The 2552 installs quickly into standard 1¼ in. or 1½ in. pipe outlets, and is adjustable to fit pipes from DN50 to DN2550 (2 to 102 inches). Three sensor lengths allow maximum flexibility to accommodate a variety of hardware configurations, including ball valves for hot-tap installations.

When equipped with the frequency output, the 2552 is compatible with any Signet flow instrument, while the S3L digital output enables multi-channel compatibility with the Signet 8900 Multi-Parameter Flow Controller. Select the blind 4-20 mA current output to interface directly with dataloggers, PLCs or telemetry systems.
Key features include Empty Pipe Detection, LED-assisted troubleshooting, and Bi-Directional span capability (in 4-20 mA models).

The Signet 3-0250 USB to Digital (S3L) Configuration/Diagnostic Tool is available to customize every performance feature in the 2552 so it can be adapted to the user’s application requirements.

Features:

• Hot-tap larger pipe: up to DN2550 (102 in.)
• Award winning hot-tap able magnetic flow sensor
• Flow rate range 0.05 to
  10 m/s (0.15 to 33 ft/s)
• Reliable operation in harsh environments
• Three output choices: frequency, digital (S3L), or
  4 to 20 mA
• NPT or ISO threads
• Patented Magmeter Technology
• Hot-tap version for installation and service without system shutdown
• No moving sensor parts
• Easy to remove and re-install during maintenance
• Measurement in dirty and high solids content liquids

Applications:

• Municipal Water Distribution
• Process and Coolant Flow
• Surface, Ground and Ocean Water
• Chemical Processing
• Waste Water
• Mining
• Water Process Flow

7000/7001 Vortex Flow Sensor

Data Sheet
User's Manual

Signet Vortex Flow Sensors provide extremely accurate and reliable flow measurement with no moving parts. Constructed of durable PVC, these sensors can accommodate applications such as chemical delivery.

Each unit is injection-molded to achieve a smooth surface finish for cleanliness and better chemical compatibility. This drastically reduces manufacturing inconsistencies and in-service particulation associated with machined surfaces. End connectors simplify installation and allow unparalleled configuration versatility.

The sensors feature either frequency output or fixed 4 to 20 mA current output, and can be used with the comprehensive offering of Signet flow instruments to achieve enhanced system functionality. Integral transmitters with local displays and many additional features are available as accessories or select from a wide variety of panel mount flow instruments.

Features:

• Six sizes in the range
  1/2 to 2"
• No moving parts or machined surfaces
• Injection-molded plastic construction
• Excellent surface-finish quality
• +/- 1% of reading accuracy
• Vibration-noise protection
• Standard sensor output: Frequency or 4 to 20 mA
• Integral transmitters with local displays and many additional features are available as accessories, or select from a wider variety of panel-mount flow instrumentation
• Reverse polarity protected

Applications:

• Process Flow
• RO/DI Skids
• Process Cooling Water
• Neutralization Systems
• Waste Water Effluent
• Scrubber Control
• Chemical Delivery
• Accurate Batching
• Plating Rinse