Sentra HE & LE Series controls are no longer in production.
Replacements are the Temptender for the HE and the G-Series for the LE.
Sentra HE & LE Series controls are no longer in production. Replacements are the Temptender for the HE and the G-Series for the LE.
Sentra 'SK' Series temperature control units are designed to circulate fluid through the process application for heating and cooling. Three instruments are offered.
Soft Touch Operators
Yes
Mixed
Mixed
Up Down Arrow (digital set point)
Yes
Yes
Yes
On/Off Rock Switch
No
Yes
Yes
AVT™ Cooling Valve Control
Yes
Yes
No
PVT™ Cooling Valve Control
No
No
Yes
Temperature Display
HE
LE
VE
Continual To Process Temperature Display
Yes
Yes
Yes
Continual Setpoint Temperature Display
Yes
Yes
No
Selectable From Process Temperature Display
Yes
No
No
°F or °C Temperature Display
Yes
Yes
No
Control Output Display
HE
LE
VE
Digital Flow Meter
Yes
No
No
GPM or LPM Display
Yes
No
No
Flow Deviation Alarm
Yes
No
No
Pump Overload Tripped
Yes
Grouped
No
High Temperature Fault
Yes
Grouped
No
Water Supply Pressure
Yes
Grouped
No
Temperature Deviation
Yes
E Code
No
Sensor Fault
Yes
E Code
E Code
Communications Activity
Yes
No
No
% Capacity Display
Yes
No
No
Custom Protocol
Optional
Optional
No
Two Wire Interface
Yes
Yes
No
Four Wire Interface
Yes
No
No
Remoteable Display
Optional
No
No
5° or 10° Temperature Deviation Band
No
Yes
No
Adjustable Deviation Band
Yes
No
No
Remote Setpoint
Optional
No
No
Second Setpoint
Optional
No
No
Remote Start/Stop
Optional
No
No
Heat Only Version
Optional
No
No
Custom Programmable
Yes
No
No
Four Year Warrant
Yes
Yes
Yes
Number of Sensor Probes
2
1
1
