Operator`s manual
Chapter
4
Revision 004, 12/09 11
Sentry 2.0 Controls
The Sentry 2.0 is the control center for the BenchTop K series. Driven by a powerful
microprocessor, the Sentry 2.0 is extremely versatile while remaining intuitively easy
to use. The controller allows custom programming, includes a detailed LCD display
and offers a wealth of customizable features.
The Sentry 2.0 front panel consists of the following:
• An LED wave display, which allows you to assess the status of the
system quickly and easily.
• Tactile buttons located on the membrane, which allow you to activate
specific functions and navigate through the menus within the LCD display.
• An LCD display, which shows the status of the unit and allows you to
adjust the alarm and control parameters, as well as modify system
configurations.
LED Wave Display (Qualitative Reference)
1. Condenser Temperature
The LEDs on the bottom wave represent the following temperatures:
LED Temperature (°C) Color
1 10 Red
2 0 Red
3 -10 Red
4 -20 Amber
5 -30 Amber
6 -40 Green
7 ≤ -50 Green
© SP Industries, Inc. 2009