Paddlewheel Flow Sensor Signet 515 Rotor-X

Simple to install with time-honored reliable performance, Signet Model 515 Rotor-X Paddlewheel Flow Sensors are highly repeatable, rugged sensors that offer exceptional value with little or no maintenance. The wide dynamic flow range of 0.3 to 6 m/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.

Fields of Application:

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

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Advantages:

• Wide turndown ratio of 20:1
• Highly repeatable output
• Simple, economical design
• Installs into pipe sizes DN15 to DN900
• Self-powered/no external power required
• Test certificate included for -X0, -X1
• Chemically-resistant materials

Specification

General
Operating Range	0.3 to 6 m/s	1 to 20 ft/s
Pipe Size Range	DN15 to DN900	½ to 36 in.
Linearity	±1% of max. range @ 25 °C (77 °F)
Repeatability	±0.5% of max. range @ 25 °C (77 °F)
Min. Reynolds Number Required	4500
Wetted Materials
Sensor Body	Glass-fi lled 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 without carbon fi ber reinforced PTFE sleeve
Electrical
Frequency	19.7 Hz per m/s nominal	6 Hz per ft/s sinusoidal
Amplitude	3.3 V p/p per m/s nominal	1 V p/p per ft/s
Source Impedance	8 KΩ
Cable Type	2-conductor twisted pair with shield, 22 AWG
Cable Length	7.6 m (25 ft) can be extended up to 60 m (200 ft) maximum
Max. Temperature/Pressure Rating – Standard and Integral Sensor
PP	12.5 bar @ 20 °C	181 psi @ 68 °F
	1.7 bar @ 90 °C	25 psi @ 194 °F
PVDF	14 bar @ 20 °C	203 psi @ 68 °F
	1.4 bar @ 100 °C	20 psi @ 212 °F
Operating Temperature
PP	-18 °C to 90 °C	0°F to 194 °F
PVDF	-18 °C to 100 °C	0 °F to 212 °F
Max. Temperature/Pressure Rating – Wet-Tap Sensor
PP	7 bar @ 20 °C	102 psi @ 68 °F
	1.4 bar @ 66 °C	20 psi @ 150 °F
Operating Temperature
	-18 °C to 66 °C	0 °F to 150 °F
Max. Wet-Tap Sensor Removal Rating
	M 1.7 bar @ 22 °C	25 psi @ 72 °F
Standards and Approvals
	RoHS compliant, China RoHS
	Lloyd’s Register Type Approval, NSF (P51530-PX version only)
	Manufactured under ISO 9001 for Quality and ISO 14001 for Environmental Management and OHSAS 18001 for Occupational Health and Safety

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