Flow Sensors – Weathermatic

Flow Sensors

FEATURES

Threaded retaining nut makes it easier to service in a valve box
Molded mounting tee provides consistent measurements and improved performance
Four bladed lightweight impeller is sensitive enough to measure lower flow rates
Smart electronics capable of better signal filtering
Affordable enough to install on nearly all new and old systems

WATER WITH PURPOSE

1,0000 gallons
per sensor

MODELS

SLFSI-T
Slip Type Tee Flow Sensor

SLFSI-S
Saddle Type Tee Flow Sensor

SLFSI-B
Brass Threaded Type Tee Flow Sensor

PRODUCT SPECIFICATIONS

Model	Description	Length	Diameter	Height
SLFSI-T10	1″ Slip Type Tee Insert Flow Sensor – Used with the SmartLink Flow Aircard	5.625” (143 mm)	1.710” (43 mm)	3.487” (88 mm)
SLFSI-T15	1 1⁄2″ Slip Type Tee Insert Flow Sensor – Used with the SmartLink Flow Aircard	6.188” (157 mm)	2.310” (58 mm)	5.097” (130 mm)
SLFSI-T20	2″ Slip Type Tee Insert Flow Sensor – Used with the SmartLink Flow Aircard	7.00” (178 mm)	2.875” (73 mm)	4.573” (116 mm)

Model	Description	Length	Diameter	Height
SLFSI-S30	3” (76mm) Saddle Type Tee Insert Flow Sensor – Used with the SmartLink Flow Aircard	5” (127 mm)	5.5” (140 mm)	6.5” (165 mm)
SLFSI-S40	4” (102mm) Saddle Type Tee Insert Flow Sensor – Used with the SmartLink Flow Aircard	5” (127 mm)	6.5” (165 mm)	7.5” (190 mm)
SLFSI-S60	6″ (152.4 mm) Saddle Type Tee Insert Flow Sensor – Used with the SmartLink Flow Aircard	5” (127 mm)	8.5” (216 mm)	9.75” (248 mm)

Model	Description	Length Overall	Length with Retaining Nut	Length Tee Only	Length with Insert & Nut
SLFSI-B15	1 1⁄2″ Brass Threaded Type Tee Insert Flow Sensor – Used with the SmartLink® Flow Aircard	6.188” (157 mm)	2.5” (64 mm)	4.125” (105 mm)	5.125″ (130 mm)

Slip Type Tee Flow Sensor

FLOW RANGE
0.25 to 15 FPS

PRESSURE RATING
240 PSI Maximum working pressure

Saddle Type Tee Flow Sensor

FLOW RANGE
3″ saddle: 6 to 300 gpm
4″ saddle: 10 to 480 gpm
6″ saddle: 45 to 1100 gpm

PRESSURE RATING
150 psi @ 90°F

PROFESSIONAL MATERIALS
Impeller – HDPE (High Density Polyethylene)
Shaft – Tungsten Carbide
O-ring — Buna-N
Saddle, Sensor Housing, Retaining Nut — Type 1 PVC

TEMPERATURE RANGE
32° F to 140° F (0° to 60° C)

OUTPUT SIGNAL
Frequency Range: 0.3 Hz to 200 Hz
Output Pulse: 5 ms +/-25%

TRANSDUCER PERFORMANCE
Quiescent current: 600 uA@8 VDC to 35 VDC max.
Quiescent voltage: (VHigh)= Supply Voltage – (600uA X Supply Impedance)
On State: (VLow)= Max. 1.2 VDC@50mA current limit, (10Ω +0.7VDC)

ELECTRICAL CABLE
2 single conductor solid copper U.L. listed #18 AWG leads with direct burial insulation
Lead length: 48 inches
Wiring may be extended up to 2,000 feet with direct burial, twisted pair shielded cable

Brass Threaded Type Tee Flow Sensor

FLOW RANGE
0.50 to 15 FPS 3 to 90 GPM (11 to 340 LPM)

PRESSURE RATING
250 PSI Maximum working pressure

PROFESSIONAL MATERIALS
Impeller – HDPE (High Density Polyethylene)
Mounting Tee & Retaining Nut – Lead Free Bronze Alloy C89833 Federalloy I-836
Shaft – Tungsten Carbide
O-ring — Buna-N
Sensor Insert — Type 1 PVC

TEMPERATURE RANGE
32°F to 140° F (0° to 60° C)

OUTPUT SIGNAL
Frequency Range: 0.3 Hz to 200 Hz

TRANSDUCER PERFORMANCE
Quiescent current: 120 uA@8 VDC to 35 VDC max.
Off State: (VHigh)= Supply Voltage – (120uA X Source Resistance)
On State: (VLow)= Max. 0.85 Volts@50mA, (10Ω +0.7VDC)

ELECTRICAL CABLE
Standard electronics –001 version is equipped with 2 single conductor solid copper #18 AWG leads with direct burial insulation. Lead length 48 inches.
Wiring may be extended up to 2,000 feet with direct burial, twisted pair shielded cable