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Multi Point RF Level Control Instrument Model 314B
DESCRIPTION
The Robertshaw Model 314B Level-Tek is an all solid state RF control instrument providing ON/OFF control with two independently adjustable setpoints each with its own output control relay. For use with a vertically mounted probe assembly, the independent and non-interacting control points may be adjusted throughout the length of the probe up to the limits of the capacitance range.
FEATURES
• Direct mount, solid state RF point level control • Two independent set points and control relays • Adjustable differential for each set point (50%) • Field selectable high or low level failsafe • Two SPDT 5 amp alarm relays • NEMA 4 and explosion-proof enclosure
SPECIFICATIONS Operating Temperature Limits Storage Temperature Limits Vibration Limits
Enclosure Classification Operating Humidity Range Temperature Coefficient Supply Voltage Supply Power
Output Relay: Form
Rating
Set-Point Adjustment Range Differential (Deadband)
Minimum Difference Between the Two Relay Set-Points
Response Time Repeatability
-40ºF to +160ºF -55ºF to +225ºF 2 g's to 100 Hz
Class 1, Division 1, Groups C and D and Watertight NEMA 4 0% to 90% RH 0.0065 pF/ºF
26.5 VDC ± 10%, 120 VAC ± 10% or 240 VAC ± 10% 5 VA Maximum