Instrument Features Comparison of Sentra HE, LE and VE Series Temperature Control Units

Sentra 'SK' Series temperature control units are designed to circulate fluid through the process application for heating and cooling. Three instruments are offered.

Sentra Temperature Control Units

Use the OpenCloseto Open & Close the sections below.

  • OpenCloseOperators
  • Soft Touch Operators
  • HE: Yes
  • LE: Mixed
  • VE: Mixed
  • Up Down Arrow (digital set point)
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • Display Select
  • HE: Yes
  • LE: No
  • VE: No
  • On/Off Rock Switch
  • HE: No
  • LE: Yes
  • VE: Yes
  • Manual Vent
  • HE: Yes
  • LE: Yes
  • VE: No
  • Auto Vent
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • OpenCloseCooling Valve
  • AVT™ Cooling Valve Control
  • HE: Yes
  • LE: Yes
  • VE: No
  • PVT™ Cooling Valve Control
  • HE: No
  • LE: No
  • VE: Yes
  • OpenCloseTemperature Display
  • Continual To Process Temperature Display
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • Continual Setpoint Temperature Display
  • HE: Yes
  • LE: Yes
  • VE: No
  • Selectable From Process Temperature Display
  • HE: Yes
  • LE: No
  • VE: No
  • °F or °C Temperature Display
  • HE: Yes
  • LE: Yes
  • VE: No
  • OpenCloseControl Output Display
  • Heat On
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • Cool On
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • Dead Band
  • HE: Yes
  • LE: Yes
  • VE: No
  • Pump On
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • Power On
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • OpenCloseFlow Display
  • Digital Flow Meter
  • HE: Yes
  • LE: No
  • VE: No
  • GPM or LPM Display
  • HE: Yes
  • LE: No
  • VE: No
  • Flow Deviation Alarm
  • HE: Yes
  • LE: No
  • VE: No
  • OpenCloseDiagnostic Display
  • 3 Phase Fault
  • HE: Yes
  • LE: No
  • VE: No
  • Pump Overload Tripped
  • HE: Yes
  • LE: Grouped
  • VE: No
  • High Temperature Fault
  • HE: Yes
  • LE: Grouped
  • VE: No
  • Water Supply Pressure
  • HE: Yes
  • LE: Grouped
  • VE: No
  • Temperature Deviation
  • HE: Yes
  • LE: E Code
  • VE: No
  • Valve Fault
  • HE: Yes
  • LE: E Code
  • VE: No
  • Sensor Fault
  • HE: Yes
  • LE: E Code
  • VE: E Code
  • Communications Activity
  • HE: Yes
  • LE: No
  • VE: No
  • % Capacity Display
  • HE: Yes
  • LE: No
  • VE: No
  • OpenCloseCommunications
  • SPI Protocol
  • HE: Yes
  • LE: Yes
  • VE: No
  • CAMAC Protocol
  • HE: Yes
  • LE: No
  • VE: No
  • Custom Protocol
  • HE: Optional
  • LE: Optional
  • VE: No
  • Two Wire Interface
  • HE: Yes
  • LE: Yes
  • VE: No
  • Four Wire Interface
  • HE: Yes
  • LE: No
  • VE: No
  • OpenCloseAdvanced Features
  • Remoteable Display
  • HE: Optional
  • LE: No
  • VE: No
  • 5° or 10° Temperature Deviation Band
  • HE: No
  • LE: Yes
  • VE: No
  • Adjustable Deviation Band
  • HE: Yes
  • LE: No
  • VE: No
  • Remote Setpoint
  • HE: Optional
  • LE: No
  • VE: No
  • Second Setpoint
  • HE: Optional
  • LE: No
  • VE: No
  • Remote Start/Stop
  • HE: Optional
  • LE: No
  • VE: No
  • Heat Only Version
  • HE: Optional
  • LE: No
  • VE: No
  • Printer Port
  • HE: Optional
  • LE: No
  • VE: No
  • Custom Programmable
  • HE: Yes
  • LE: No
  • VE: No
  • OpenCloseOther
  • Four Year Warrant
  • HE: Yes
  • LE: Yes
  • VE: Yes
  • Number of Sensor Probes
  • HE: 2
  • LE: 1
  • VE: 1
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