Teledyne Insta Trans - trace and percent oxygen transmitter - Manual (Page 10)

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