Teledyne 3000ZA operating instructions #### ppm Span Slope=#### ppm/s

Trace Oxygen Analyzer Operation

Use the __ arrow keys to enter the oxygen-concentration mode. Use the __ arrow keys to blink the digit you are going to modify. Use the __ arrow keys again to change the value of the selected digit. When you have finished typing in the concentration of the span gas you are using, press Enter to begin the Span calibration.

####ppm Span

Slope=#### ppm/s

The beginning span value is shown in the upper left corner of the display. As the span reading settles, the screen displays and updates information on Slope. Spanning automatically ends when the span output corresponds, within tolerance, to the value of the span gas concentration. Then the instrument automatically returns to the analyze mode.

4.4.2.2MANUAL MODE SPANNING

Press Span to start the Span function. The screen that appears allows you to select whether the span calibration is to be performed automatically or manually.

Span: Settling:MAN

<ENT> For Next

Use the __ keys to toggle between AUTO and MAN span settling. Stop when MAN appears, blinking, on the display. Press Enter to move to the next screen.

Press Enter to move to the next screen.

Calib. Holding time

Cal hold: 5 min

This menu allows the operator to set the time the analyzer should be held in the AUTO span mode. It does not have any effect in the MANual mode. Just press Enter key to continue.

Span Val: 000008.00 <ENT>Span <UP>Mod #

Press _ (<UP>) to permit modification (Mod #) of span value.

Use the arrow keys to enter the oxygen concentration of the span gas you are using. The __ arrows choose the digit, and the __ arrows choose the value of the digit.

Teledyne Analytical Instruments 43