Thermal flow switch ~ Finetek SP1500 Series

Thermal flow switches are rugged construction and zero maintenance – with no moving parts. The thermal flow switch  operation is based on the principle of thermal dispersion. A typical configuration uses two temperature detectors set within the tip of the sensor. One temperature detectors is heated to a few degrees above the other. As the process medium flows over the tip of the sensor it disperses some of the heat from the heated temperature detector. The delta temperature is a function of flow velocity and converted into an electronic signal. The open collector [or relay] changes state once the set point has been reached. This switch is available in SS construction with 1/2BSP process connection. Features:

  • Detection of flow in pipes of different diameters
  • -20 to 80C and up to 100 bar static pressure
  • LED display for flow level and alarm status
  • Open collector alarm output or relay output
  • Power 24V DC
  • Speed measuring range water: 1~150 cm/s
  • Speed measuring range oil: 3~300 cm/s
  • Material SUS304 or 316 and IP67 rated available
Part No. Description Availability Qty Price
FT-SP1501Thermal flow switch SP200-0-BT-A/B ..304 SS IP67 O/C outputON BACKORDER
$650.00
FT-SP1502Thermal flow switch SP200-6-BT-A/B .. 316SS IP67 O/C outputON BACKORDER
$735.00

We make every effort to minimise your inconvenience through manufacture, reconfiguration and fast import. Please contact us for an accurate delivery time

Description Qty Price
FT-SP1501

ON BACKORDER

$650.00
FT-SP1502

ON BACKORDER

$735.00

We make every effort to minimise your inconvenience through manufacture, reconfiguration and fast import. Please contact us for an accurate delivery time

SP_SF_Thermal_Dispersion_PaddleType_Flow_Switch.pdf SP SF series thermal flow switch data sheet 1300 KB Download File

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