Dynatrol Products - Level Detection, Viscosity & Density Measurement

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Dynatrol® CL-10RH Liquid Level Switch

The Dynatrol® Type CL-10RH Liquid Level Detector and EC-102B or EC-103C Control Unit is used for high, intermediate or low point level detection of liquids and slurries. This is typically a replacement unit for existing CL-10RH units in the field. The CL-10GH is phasing out the older style liquid level detector.

Dynatrol® CL-10RH Liquid Level Switch


The CL-10RH Liquid Level Switch is being phased out and replaced by the newer CL-10GH type level detector.  

CL-10RH Specifications

 •  Explosion Proof: CSA NRTL/C approved for Class 1, Group D, Division 1 Class 2, Groups E, F, and G
 •  Pressure Rating: 3000 PSIG @ 100°F
 •  Temperature Rating: 300°F (High Temperature Construction Available)
 •  Pressure Connection: ¾-inch NPT
 •  Conduit Connection: ½-inch NPT
 •  Process Contact Surfaces: 316 S.S. (standard)

EC-102B Control Unit

 •  Explosion Proof: CSA NRTL/C approved for Class 1, Group D, Division 1, Class 2, Groups E, F, and G
 •  Voltage Supply (Nominal):120 volts, 60Hz

 •  Temperature Rating: 125°F Maximum
 •  Power Consumption: 5 VA

 •  Conduit Connections: ½-inch
 •  Contacts: SPDT 2A @ 120 VAC (Non-Inductive)

Principle of Operation

The Dynatrol® liquid level paddle is driven into vibration by a driver coil. A second coil produces a voltage proportional to a 0-3/4-inch range of level. As the process covers the paddle, the output responds proportionally by transmitting a 1-5mA or 4-20mA signal.

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Liquids & Slurries


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