Isotech TTI-7-R, Operator'S Handbook Manual

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About the TTI-7-R
(Table 3.1 continued:)
SCAN
Scanner, timer
and data logger
functions Scanner, timer and data logger
menu.
Menu
PRT measurement current
+ l PRT
measurement
positive current
mode
Positive PRT measurement
current polarity selection Direct
from
keypad
-I PRT
measurement
negative current
mode
Negative PRT measurement
current polarity selection Direct
from
keypad
AVE PRT
measurement
current reversal
mode
Measures average sensor
resistance with successive
positive and negative current
polarity Default PRT
measurement state Direct
from
keypad
□ 2
PRT
measurement 2
current selection
2 measurement current division,
reduces measurement current to
allow PRT self heating effect to be
calculated
Direct
from
keypad
Scroll and contrast control
Up command
key; Display
contrast, page
scroll Controls the display contrast and
page scroll functions
Direct
from
keypad
Down command
key; Display
contrast, page
scroll Controls the display contrast and
page scroll functions
Direct
from
keypad
3.4 About the TTI-7-R Display
The liquid crystal graphic display clearly indicates the measured
temperature and measurement status as well as displaying available
menu options and measurement analysis when selected. Whilst in
Temperature Mode (see Section 5.1), there are three possible
display layouts:
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