SERIES TDFS2 – Furneco

SERIES TDFS2 THERMAL DISPERSION FLOW SWITCH

FEATURES:

Better reliability and life expectancy than mechanical flow switches with no paddles or vanes to wear or break, no jams in the paddle movement, and no seals on movement assembly to wear or leak
Long operation life, as it is not affected by empty pipe by avoiding overheating with heating above the process temperature and then cooling down to process temperature
Lower system run cost due to low pressure drop with 10% insertion into the flow (e.g. 1/8˝ for 3/4˝ schedule 40 pipe)

PRODUCT APPLICATIONS:

Technical Sheets

SERIES TDFS2 THERMAL DISPERSION FLOW SWITCH

Wetted Materials 316SS.	Pipe Range 1/2 to 1-1/2″ (15 to 40 mm) or 2 to 10″ (50 to 250 mm) (model selectable).
Set Point Range 0.5 to 10 ft/s (0.15 to 3.0 m/s).	Repeatability 0.07 ft/s (0.02 m/s) +3% of setpoint.
Typical Deadband 0.1 ft/s (0.03 m/s) +15% of setpoint.	Temperature Limits Ambient: 5 to 140°F (-15 to 60°C); Process: 5 to 140°F (-15 to 60°C), Storage: -40 to 185°F (-40 to 85°C).
Pressure Limits 300 psig (20.67 bar).	Response Time Approx. 8 s.
Power Requirement 9 to 24 VDC.	Switching Current 400 mA, de-rate 5 mA/°C above 23°C.
Current Consumption Average: 93 mA; Peak: 300 mA.	Electrical Connection 1/2′ NPT female or cable gland with 4 conductor 22 AWG 6′ (1.83 m) long (model selectable).
Process Connection 1/2″ NPT or BSPT male (model selectable).	Enclosure Rating NEMA 4X (IP65).
Housing Materials 316 SS, 416 SS, polycarbonate, neoprene, and acrylated urethane.	Switch Type 1 NO NPN, 1 NC NPN.
Input Power and Protection 0.5A fuse (resettable) reverse polarity protected.	Switched Output Protection 0.5A fuse (resettable) reverse polarity protected.
Compliance CE.

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