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Series
TDS

Thermal Dispersion Flow Switch
Adjustable Switch Point, LED Indication

SPECIFICATIONS
Service: Liquids.
Wetted Materials: Polypropylene/PPS or Polyvinylidene Fluoride.
Range: 0.04 to 10 fps (1.2X10-2 to 3.05 m/s)
Temperature Limits: 32 to 140°F (0 to 60°C).
Pressure Limits: 150 psi (10 bar) @ 77°F (25°C), derated @ 1.667 psi (.113 bar) per °C above 25°C.
Repeatability: ±5% of setpoint.
Switch Type: SPDT.
Electrical Rating: 60 VAC/60 VDC @ 1 A.
Electrical Connections: 22 AWG 3-wire, 10 ft (3 m) length.
Process Connections: 3/4" male NPT.
Mounting Orientation: Any orientation, for pipe sizes 3/4" to 1-1/2" use 3.0" (7.6 cm) length switch; for 2" to 16" pipe sizes use 4.5" (11.4 cm) length switch.
Setpoint Adjustment: 0.04 to 3 fps (1.2X10-2 to .91 m/s).
Setpoint Drift: 0.5% of setpoint.
Response Time: 1-10 seconds.
Viscosity Range: 1 to 200 centipoise.
Supply Voltage: 12 to 36 VDC.
Consumption: 50 mA (nominal).
Indication: LED for flow status.
Weight: 3 oz (94 g).
Agency Approvals: CE.

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