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SA270/370 Series Capacitance Level Switch
Brand: FineTek
The Fine-tek Capacitance Switch for liquids and solids can be used in mediums such as liquids, pastes, syrups, powders, granules, flakes and chips.
It’s broad application and rugged build makes it a highly versatile across all industries.
Capacitance switches rely on electrical capacitance theory (the ability of a medium to store electrical energy).
When an electrical circuit has two separated conductive plates, the space between the plates acts as a capacitor and stores the electrical energy.
Mediums have differing conductivity and dielectric constants which affects their energy s storage capability.
When the switch comes into contact with the medium, it can detect a change in the surroundings and this actuates the switch accordingly.
Specifications
Brand
Ambient Temperature Range
- -20° to 60° C (-4° to 140° F)
Applications
- Chips
- Flakes
- Granuled
- Liquid
- Pastes
- Powder & Bulk
Approvals & Certifications
- ATEX Ex d/ia IIC T3 to T6 Gb/Ga, DIP A20/A21 T, T3 to T6
- CE
- NEPSI Proof No. GYB111594 - Intrinsic Safe Signal Conditioner (SA-75U)
BSP Connection
- 1” BSP Male (25 A)
- 1-1/2” BSP Male (40 A)
- 2” BSP Male (50 A)
- 2-1/2” BSP Male (65 A)
- 3” BSP Male (80 A)
- 3/4” BSP Male (20 A)
- 4” BSP Male (100 A)
- 5” BSP Male (125 A)
- 6” BSP Male (150 A)
Conduit Connection
- 1/2” PF Female
- 3/4” PF Female
Consumption
- Power Consumption: 2 W
Current
- Short Circuit Current: 25 mA - Intrinsic Safe Signal Conditioner (SA-75U)
Delay Time
- 0 to 6 seconds
Electrical Rating
- 10 A at 220 Vac - Intrinsic Safe Signal Conditioner (SA-75U)
- 10 A at 30 Vdc - Intrinsic Safe Signal Conditioner (SA-75U)
- 3-Wire NPN/PNP Output: Max.
- 4-Wire NPN/PNP Output: Max.
- NPN (Intrinsically Safe): 100 mA
- Relay: 5 A at 250 Vac / 28 Vdc
Enclosure Finish
- Polypropylene (PP) Coating
- UPE Coating - Intrinsic Safe Anti-Static Model
Enclosure, Body Material
- ADC-12 Aluminum
Environmental Protection
- IP65
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - 150#
- 1-1/2” (DN 40) - 300#
- 1-1/2” (DN 40) - JIS 10K
- 1-1/2” (DN 40) - JIS 5K
- 1-1/2” (DN 40) - PN 10
- 1-1/2” (DN 40) - PN 16
- 1-1/2” (DN 40) - PN 25
- 1-1/2” (DN 40) - PN 40
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150#
- 1” (DN 25) - 300#
- 1” (DN 25) - JIS 10K
- 1” (DN 25) - JIS 5K
- 1” (DN 25) - PN 10
- 1” (DN 25) - PN 16
- 1” (DN 25) - PN 25
- 1” (DN 25) - PN 40
Flange Size - 2-1/2” (DN 65)
- 2-1/2” (DN 65) - 150#
- 2-1/2” (DN 65) - 300#
- 2-1/2” (DN 65) - JIS 10K
- 2-1/2” (DN 65) - JIS 5K
- 2-1/2” (DN 65) - PN 10
- 2-1/2” (DN 65) - PN 16
- 2-1/2” (DN 65) - PN 25
- 2-1/2” (DN 65) - PN 40
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150#
- 2” (DN 50) - 300#
- 2” (DN 50) - JIS 10K
- 2” (DN 50) - JIS 5K
- 2” (DN 50) - PN 10
- 2” (DN 50) - PN 16
- 2” (DN 50) - PN 25
- 2” (DN 50) - PN 40
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150#
- 3” (DN 80) - 300#
- 3” (DN 80) - JIS 10K
- 3” (DN 80) - JIS 5K
- 3” (DN 80) - PN 10
- 3” (DN 80) - PN 16
- 3” (DN 80) - PN 25
- 3” (DN 80) - PN 40
Flange Size - 3/4” (DN 20)
- 3/4” (DN 20) - 150#
- 3/4” (DN 20) - 300#
- 3/4” (DN 20) - JIS 10K
- 3/4” (DN 20) - JIS 5K
- 3/4” (DN 20) - PN 10
- 3/4” (DN 20) - PN 16
- 3/4” (DN 20) - PN 25
- 3/4” (DN 20) - PN 40
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150#
- 4” (DN 100) - 300#
- 4” (DN 100) - JIS 10K
- 4” (DN 100) - JIS 5K
- 4” (DN 100) - PN 10
- 4” (DN 100) - PN 16
- 4” (DN 100) - PN 25
- 4” (DN 100) - PN 40
Flange Size - 5” (DN 125)
- 5” (DN 125) - 150#
- 5” (DN 125) - 300#
- 5” (DN 125) - JIS 10K
- 5” (DN 125) - JIS 5K
- 5” (DN 125) - PN 10
- 5” (DN 125) - PN 16
- 5” (DN 125) - PN 25
- 5” (DN 125) - PN 40
Flange Size - 6” (DN 150)
- 6” (DN 150) - 150#
- 6” (DN 150) - 300#
- 6” (DN 150) - JIS 10K
- 6” (DN 150) - JIS 5K
- 6” (DN 150) - PN 10
- 6” (DN 150) - PN 16
- 6” (DN 150) - PN 25
- 6” (DN 150) - PN 40
Materials of Construction
- Grounding Sleeve: 304 Stainless Steel (PP & PVDF Coating for Corrosion-Proof Model)
- Grounding Sleeve: 316 Stainless Steel
- Insulation Material: PEEK
- Insulation Material: PTFE
- Insulation Material: UPE
Media
- Solids
NPT Connection
- 1” NPT Male (25 A)
- 1-1/2” NPT Male (40 A)
- 2” NPT Male (50 A)
- 2-1/2” NPT Male (65 A)
- 3” NPT Male (80 A)
- 3/4” NPT Male (20 A)
- 4” NPT Male (100 A)
- 5” NPT Male (125 A)
- 6” NPT Male (150 A)
O-Ring Material
- NBR
Operating Pressure
- psi: 290 (kPa: 2,000, bar: 20)
Operating Temperature
- -20° to 200° C (-4° to 392° F)
Output Format
- NPN (3-Wire)
- Relay Output
Process Connection Material
- 304 Stainless Steel
- 316 Stainless Steel
PT/PF/PS (JIS) Connection
- 1” (25A) PF Male
- 1” (25A) PT Male
- 1-1/2” (40A) PF Male
- 1-1/2” (40A) PT Male
- 2” (50A) PF Male
- 2” (50A) PT Male
- 2-1/2” (65A) PF Male
- 2-1/2” (65A) PT Male
- 3” (80A) PF Male
- 3” (80A) PT Male
- 3/4” (20A) PF Male
- 3/4” (20A) PT Male
- 4” (100A) PF Male
- 4” (100A) PT Male
- 5” (125A) PF Male
- 5” (125A) PT Male
- 6” (150A) PF Male
- 6” (150A) PT Male
Resistance
- Input Signal: NPN Transistor 500 ohms - Intrinsic Safe Signal Conditioner (SA-75U)
Sensitivity
- 10 PF
Sensor, Probe Length
- 0 to 59” (0 to 1,500 mm)
Sensor, Probe Material
- 304 Stainless Steel
- 316 Stainless Steel
Sensor, Probe Style
- Capacitive
Supply Voltage
- 110-220 Vac ± 10 %
- 19-24 Vdc - Intrinsically Safe
- 24 Vdc ± 20 %
Switch Type
- NPN/PNP
- SPDT - Intrinsic Safe Signal Conditioner (SA-75U)