Dwyer Series TDS Thermal Dispersion Flow Switch

Dwyer Series TDS Thermal Dispersion Flow Switch

Dwyer Series TDS Thermal Dispersion Flow Switch | Highlight

Flow includes Flow Transmitters, Flow Sensors, Flowmeters, Sight Flow Indicators, and Water Meters. Mass Flowmeters, Controllers, Flow Indicators, and Controllers are ideal for the measurement of flow rates. Flow Switches come as a paddle, thermal, piezo, and shuttle/piston. Flow Switch Sensors with an electrical contact output at a specific flow rate have different types of switches, which are a paddle, thermal, piezo, and shuttle/piston.

Thermal flow switches are sensors with an electrical contact output at a specific flow rate. Dwyer models provide a complete system for leak detection and feature a selectable NO or NC operation. Applications include chillers, hot water heaters, and liquid transfer systems.

The Series TDS Thermal Dispersion Flow Switch offers solid-state flow detection of non-coating liquids for pump and process protection. SPDT output allows for interfacing with remote PLC or relays control devices. The adjustable switch point is factory calibrated at 0.2 fps with LED indication of flow and calibration status. Units feature selectable NO or NC operation and are not damaged by over-ranging flow velocities.

Features

  • Solid state flow detection of non-coating liquids for pump and process protection
  • The adjustable switch point is factory calibrated at 0.2 fps
  • LED indication of flow and calibration status

Specification

ServiceLiquids.
Wetted MaterialsPolypropylene/PPS or Polyvinylidene Fluoride.
RangeRange: 0.04 to 10 fps (1.2X10-2 to 3.05 m/s)
Temperature Limits32 to 140°F (0 to 60°C).
Pressure Limits150 psi (10 bar) @ 77°F (25°C), derated @ 1.667 psi (.113 bar) per °C above 25°C.
Repeatability±5% of setpoint.
Switch TypeSPDT.
Electrical Rating60 VAC/60 VDC @ 1 A.
Electrical Connections22 AWG 3-wire, 10 ft (3 m) length.
Process Connections3/4" male NPT.
Mounting OrientationAny 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 Adjustment0.04 to 3 fps (1.2X10-2 to .91 m/s).
Setpoint Drift0.5% of setpoint.
Response Time1-10 seconds.
Viscosity Range1 to 200 centipoise.
Supply Voltage12 to 36 VDC.
Consumption50 mA (nominal).
IndicationLED for flow status.
Weight3 oz (94 g).
Agency ApprovalsCE.

Ref: dwyer-inst.com

Download Data Sheet: Series TDS Thermal Dispersion Flow Switch

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