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CTF-03 | Mini tuning fork level switch with PNP output. | Dwyer

Mini tuning fork level switch with PNP output.

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Mini tuning fork level switch with PNP output.

Model CTF Mini Tuning Fork Level Switch

Compact, Cost Effective, DIN Connection

The Model CTF Mini Tuning Fork Level Switch is an ideal choice for level controlof powders. The CTF incorporates a piezoelectric crystal that vibrates the fork at itsnatural frequency, when contact material is present it dampens the vibrations and theswitch changes state. This series offers a PNP or NPN output.

Product Applications

Chemical processing
Pulp and paper processing
Mining
Food and beverage

DIN connection and compact size allows for application in places a larger tuning fork level switch may not be suitable, providing great versatility
No mechanical moving parts with no routine maintenance required
Unaffected by the dielectric constant of the sensed material, making it superior to a capacitance level switch for applications where the dielectric constant is too low, where there is more than one material being used in one vessel, and when material moisture content can change
Ideal for applications where the bulk density is too low for a rotating paddle level switch

Specifications

Service: Dry powder compatible withwetted materials.
Sensitivity: Min. bulk solid density: 4.4lb/ft3 (70 g/l).
Wetted Materials: Tuning Fork: 316 L SS; Process connection: 304 SS.
Temperature Limits: Ambient: -40 to 140°F (-40 to 60°C);Process: -40 to 212°F (-40 to 100°C).
Pressure Limit: 600 psi (40 bar).
Power Requirement: 12 to 55 VDC.
Power Consumption: 10 mA @ 12 to24 VDC; 0.5 W (max.).
Enclosure: Aluminum; painted.
Enclosure Rating: IP65.
Switch Type: 3-wire PNP/NPN output.
Electrical Rating: 350 mA (max) @ 12to 55 VDC.
Conduit Connection: Valve plug DIN 43650.
Process Connections: 1" male NPT.
Indication Lights: External red LED.
Sensing Delay: Max. covered probe: 1to 3 s.; Uncovered probe: 1 to 3 s.
Weight: 2.2 lb (1.0 kg).
Agency Approvals: CE.