Introduction Insta-Trans
Teledyne Analytical Instruments
2
Simple push-button calibration and range selection.
Advanced Micro-fuel Cell, redesigned for trace analysis, has
a one year warranty and an expected lifetime of two years.
Air-calibration range for convenient spanning at 20.9 %.
True 2-wire 4-20 mA powered loop interface.
1.4 Operator Interface
The standard Insta-Trans is housed in a rugged NEMA-4 rated
metal case with all switches and the display accessible from the outside.
Figure 1-1 illustrates the Insta-Trans display and switches while Table 1-
1 shows the decimal point (DP) location for the various ranges.
Function Keys:
Six touch-sensitive membrane switches are used to set
the range and calibrate the transmitter.
RANGE
Selects the Range mode and sets the desired range.
COARSE
Selects the Coarse calibration mode.
FINE
Selects the Fine calibration mode.
RUN
Selects
the
Run
mode.
▲
Used to adjust the calibration upward in Coarse
and Fine mode.
▼
Used to adjust the calibration downward in
Coarse and Fine mode.
DISPLAY
3 1/2 digit O
2
concentration LCD display with
annunciators
Table 1-1: Decimal Location for Selected Range
Range Decimal
Location
0-10 PPM
Decimal Point (DP) 2
0-100 PPM
Decimal Point (DP) 1
0-1000 PPM
No Decimal Point
0-1%
Decimal Point (DP) 3
0-10%
Decimal Point (DP) 2
0-25%
Decimal Point (DP) 2
