Flow Switches : FT10

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Thermo-Flo™ Liquid & Gas Flow Switch

Application

Offered in liquid and gas sensor types, the general purpose flow switch provides reliable low or no-flow detection of relatively clean, non-coating media with one 1A relay output. Liquid examples include water and acetic acid. Available in Polypropylene-Ryton® and PVDF, the short flow sensor is used in pipe or ducting from 1/2" to 1 1/2", and the long flow sensor is used in 2" and up. The flow switch set point may be adjusted from 0.04 to 3 fps in liquids, or 1 to 90 fps in gases as a low-flow alarm. The flow sensor is best applied in applications with relatively constant temperature.

Features

Rugged Polypropylene-Ryton® or PVDF sensor for corrosive liquids and gases

Adjustable set point with LED for flow or no-flow status indication

60VA relay selectable NO or NC via power supply wiring polarity

Solid state sensor is not damaged by over-ranging flow velocities

Literature

Specifications

Set point range:	FT10: 0.04 to 3 fps (0.012 to 0.91 mps) GT10: 1 to 90 fps (0.3 to 27 mps)
Factory set point:	FT10: 2 fps (.06 mps) GT10: 10 fps (27 mps)
Repeatability:	± 0.5% of set point @ fixed temperature
Response time:	1-10 seconds
Set point adjust.:	Potentiometer
Viscosity range:	FT10: 1-200 centipoise
LED indication:	Flow status
Supply voltage:	12-36 VDC
Consumption:	70 mA maximum
Contact type:	(1) SPST relay
Contact rating:	60 VA, 1A maximum
Contact output:	Selectable NO / NC
Process temp.:	F: 32° to 140° C: 0° to 60°
Ambient temp.:	F: -40° to 140° C: -40° to 60°
Pressure:	150 psi (10 bar) @ 25º C, derated @ 1.667 psi (0.113 bar) per ºC above 25º C
Sensor rating:	NEMA 4X (IP65)
Wetted material:	-1XX5: PP-Ryton® -5XX5: PVDF
Cable jack. mat.:	-1XX5: PP -5XX5: PFA
Cable type:	4-conductor, shielded #22 AWG
Cable length:	10' (3m)
Process mount:	3/4" NPT (3/4" G)
Mount. gasket:	Viton®
Classification:	General purpose
Compliance:	CE

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