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SC35 Series Tuning Fork Level Switch
Brand: FineTekThe piezoelectric component is used to drive the tuning fork and feedback signal, which produces the resonation on the fork.
When the fork comes into contact with a material, the fork will release some frequency signal as feedback.
It will be converted into the output of the contact signal when the circuit detects the frequency decrease of the signal.
The product relies on the damping effect by covering the testing material on the tuning fork which reduces the vibration frequency of the tuning fork and outputs a switch signal.
Therefore, there is no signal amplification circuit inside, which can eliminate the trouble of frequent sensitivity adjustment due to the material change.
Specifications
Brand
Ambient Temperature Range
- -40° to 85° C (-40° to 185° F)
Applications
- Cement Industry
- Chemical Fiber Industry
- Food Industry
- Oil
- Petroleum
- Pharmaceutical Industry
- Rubber Industry
- Steel Mills
- Tire Industry
Approvals & Certifications
- CE
- NEPSI Ex Proof No. GYJ111212 Ex d IIC T3 to T6, DIP A20 T, T3 to T6
- TS (2013) NO.00471 Ex d IIB T4X
BSP Connection
- 1-1/2” BSP Male (40 A)
- 2” BSP Male (50 A)
- 2-1/2” BSP Male (65 A)
- 3” BSP Male (80 A)
- 4” BSP Male (100 A)
- 5” BSP Male (125 A)
- 6” BSP Male (150 A)
Conduit Connection
- 1/2” PF
- Ex-Proof Typical: 1/2” NPT
Consumption
- 1.5 W, Max.
Density Range
- Material Density: ≥ 0.01 g/cm³
- Material Density: ≥ 0.05 g/cm³
Diameter
- External Diameter of Cable Applicable to Conduit: 0.23 to 0.39” (6 to 10 mm)
Electrical Protection
- Overvoltage Protection: Category II
Electrical Rating
- NPN/PNP/Transistor: 350 mA at 55 Vdc
- Relay: 6 A at 250 Vac
- Relay: 6 A at 28 Vdc
- Transistor: 350 mA at 60 Vac/dc
Enclosure Finish
- ECTFE
- PTFE-Coated
Enclosure, Body Material
- Level Sensor: Built-in Box, Aluminum
Environmental Protection
- Dust Explosion-proof (DIP A20/21 T, T2 to T6)
- IP66
- IP67
Frequency
- 140 Hz ± 5 Hz
Materials of Construction
- 304 Stainless Steel
- 316 Stainless Steel
- 316L Stainless Steel
- Stainless Steel + ECTFE (Black) or PFA
NPT Connection
- 1-1/2” NPT Male (40 A)
- 2” NPT Male (50 A)
- 2-1/2” NPT Male (65 A)
- 3” NPT Male (80 A)
- 4” NPT Male (100 A)
- 5” NPT Male (125 A)
- 6” NPT Male (150 A)
Power Supply
- 19-253 Vac/Vdc, 50/60 Hz
- NPN/PNP: 10-55 Vdc
Pressure Range
- psi: 29 (kPa: 200, bar: 2) - Max.
- psi: 363 (kPa: 2,500, bar: 25) - Max.
Process Temperature
- -40° to 280° C (-40° to 536° F)
PT/PF/PS (JIS) Connection
- 1-1/2” PF Male (40 A)
- 1-1/2” PT Male (40 A)
- 2” PF Male (50 A)
- 2” PT Male (50 A)
- 2-1/2” PF Male (65 A)
- 2-1/2” PT Male (65 A)
- 3” PF Male (80 A)
- 3” PT Male (80 A)
- 4” PF Male (100 A)
- 4” PT Male (100 A)
- 5” PF Male (125 A)
- 5” PT Male (125 A)
- 6” PF Male (150 A)
- 6” PT Male (150 A)
Sensor, Probe Length
- Fork: 6.10” (155 mm)
- Probe: 0 to 787” (0 to 20,000 mm)
Sensor, Probe Material
- 304 Stainless Steel
- 316 Stainless Steel
- 316L Stainless Steel - SC1400 Series, SC1500 Series (with Coating Teflon), SC1700 Series
Sensor, Probe Style
- Tuning Fork
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Switch Type
- 2 Sets of SPDT Relay Output
- 2 Sets of Transistor & 3-Wire NPN/PNP Transistor Output
Voltage
- Voltage Endurance Capability: 3.7 kV
- Chemical Fiber Industry
- Food Industry
- Rubber Industry
- Steel Mills
- Tire Industry