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SP200 Series Thermal Dispersion Flow Switch
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Thermal dispersion flow switches measure the velocity of a liquid inside a pipe or channel.
The switch’s probe contains two key components – a heating sensor and temperature sensor.
The heating sensor is positioned closest to the flowing liquid and provides a consistent heat.
The temperature sensor measures the temperature emitted from the heating sensor.
When liquid is flowing, there is a temperature difference between the two sensors.
The temperature difference has an inverse relationship with the flow velocity (fast flowing liquids will result in greater heat differences and vice versa).
Since the device contains no moving parts, has no wear and tear and maintains a long lifespan.
Features- High sensitivity and accuracy
- Suitable for corrosive and hazardous conditions
- Able to be calibrated for liquids with different densities and impurities
- Suitable for complex locations with easy installation
- Customized probe lengths available
- Three different output signals options
Specifications
Brand
Ambient Temperature Range
- -20° to 80° C (-4° to 176° F)
Approvals & Certifications
- CE
BSP Connection
- 1” BSP Male (25 A)
- 1/2” BSP Male (15 A)
- 1/4” BSP Male
- 3/8” BSP Male (10 A)
- G 1/2” Male
- G 1/4” Male
Cable Length
- 16 feet (5 metres)
- 6.5 feet (2 metres)
Consumption
- Power Consumption: 50 mA - Max.
- Power Consumption: 60 mA - Max.
Enclosure, Body Material
- 304 Stainless Steel
- 316 Stainless Steel
- 316L Stainless Steel
- Polycarbonate
Environmental Protection
- IP65
- IP67
Indication
- Flow Velocity: Led Indication
Measuring Range
- Oil: 3 to 300 cm/sec
- Water: 1 to 150 cm/sec
Media
- Oil
- Water
NPT Connection
- 1” NPT Male (25 A)
- 1/2” NPT Male (15 A)
- 1/4” NPT Male
- 3/4” NPT Male (20 A)
- 3/8” NPT Male (10 A)
Operating Pressure
- psi: 1,450 (kPa: 10,000, bar: 100) - Max.
Operating Temperature
- -20° to 120° C (-4° to 248° F)
Operating Voltages
- 19-30 Vdc
Output
- NO & NC: 0.3 A at 125 Vac
- Open Collector: (NPN/PNP) < 400 mA
- Relay: 1 A at 30 Vdc
- Relay: 5 A at 250 Vac
PT/PF/PS (JIS) Connection
- 1” PF Male (25 A)
- 1” PT Male (25 A)
- 1/2” PF Male (15 A)
- 1/2” PT Male (15 A)
- 1/4” PF Male
- 1/4” PT Male
- 3/4” PF Male (20 A)
- 3/4” PT Male (20 A)
- 3/8” PF Male (10 A)
- 3/8” PT Male (10 A)
Sensor, Probe Style
- Thermal, Calorimetric
Switch Type
- 3-Wire, NPN/PNP
- SPDT
Update Time
- Warm-Up Time: 10 seconds
- Warm-Up Time: 15 seconds
Wetted Materials
- 304 Stainless Steel
- 316 Stainless Steel
- 316L Stainless Steel
- Cooling Pipes Flow Control
- HVAC Systems
- Hydro Electric Plants
- Optics & Semi-Conductor Manufacturing Industry
- Pharmaceutical
- Steel Industry Food & Beverage