Analyze – Teledyne 7300a - NDIR analyzer User Manual

Page 62

4 Operation

Model 7300A

4-26

Teledyne Analytical Instruments

•

Ranges that overlap

•

Ranges whose limits are entirely within the span of an adjoining
range.

Figure 4-2 illustrates these schemes graphically.

Figure 4-2: Examples of Autoranging Schemes

4.7

The

Analyze

Function

Normally, all of the functions automatically switch back to the

Analyze

function when they have completed their assigned operations. Pressing the

Escape

button in many cases also switches the analyzer back to the

Analyze

function. Alternatively, if you leave your analyzer on MAIN MENU screen
within 5 seconds without touching any key, it will automaticaly return to analyze
function.

If the analyzer is in subfunction mode, in most cases, it will

automaticaly return to analyze mode within 10 minutes.

The

Analyze

function screen shows the impurity concentration and the

application gases in the first line, and the range in the second line. In the lower
right corner, the abbreviation

Anlz indicates that the analyzer is in the

Analyze

mode. If there is an * before the

Anlz, it indicates that the range is linearized.

1.95 % CO2

nR1:Ø 10 *Anlz

n indicates non inverting range
i indicates inverting range