Optional Accessories; Enhanced Probe Option; Figure 8-2. Enhanced Probe Option - Thermo Scientific TVA2020 Instruction Manual

Optional Accessories

Enhanced Probe Option

Enhanced Probe
8-2 TVA2020 Instruction Manual
This probe/display option is used to perform menu-driven
operational/datalogging functions from the handheld unit and reduces the
Option
need to access the sidepack keypad.
There are three buttons on the Enhanced Probe which allow you to interact
with the TVA2020:
MENU – Used to cause the menu to appear on the bottom of the
●
probe display and to step through the available selections
SELECT – Used to choose the currently highlighted menu selection;
●
e.g., "LOG".
Light Bulb Icon – Used to turn the display backlight on and off
●
The probe accepts a single display control message. The message is tested
for validity, and if valid, the display is updated. The probe displays the
contents of the last valid message received since power on.
The display provides two display modes. Both display modes display the
current concentration for one detector:
1. Bar graph value > 0:
2. Bar graph value = 0:
PROBE KEYPAD
AND DISPLAY
Figure 8–2. Enhanced Probe Option
Display bar graph
Displays 6 line x 20 character text
PROBE NUT AND SLEEVE
CLOSE AREA
SAMPLING ASSEMBLY
THE CLOSE AREA SAMPLER (*CHARC OAL F ILTER OR
WATER TRAP) CAN BE PLACED DIRECTLY INTO THE
READOUT UNIT OR EXTENDED BY USING THE OPTIONAL
TELESCOPING WAND.
*OPT IONAL
Thermo Fisher Scientific