Teledyne 9060L Setting the Alarm Setpoints, HI Range, LO Range, Set Alarm 1 HI alarm

Percent Oxygen Analyzer Operation

range full scale value, and it switches back to the LO range when the oxygen concentration reaches 85% of the LO range full scale value

Note: The HI Range setpoint MUST be set at a higher concentration percentage than the LO Range setpoint.

4.3.1 HI Range

Setting the HI Range full scale value defines the LEAST sensitive analysis range to be used. To set the HI Range:

1.Press the SET HI RANGE function button once.

2.Immediately (within 5 seconds) press either the Δ or ∇ button to raise or lower the displayed value, as required, until the display reads the desired full scale percent concentration.

4.3.2LO Range

Setting the LO Range full scale value defines the MOST sensitive range to be used. To set the LO Range:

1.Press the SET LO RANGE function button once.

2.Immediately (within 5 seconds) press either the Δ or ∇ button to raise or lower the displayed value, as required, until the display reads the desired full scale percent concentration.

4.4Setting the Alarm Setpoints

The alarm setpoints can be adjusted over the full range of the

analyzer (0-100% oxygen content). They are set as a percent of oxygen content, so that an alarm set to indicate 9.6 on the display will activate at 9.6% O2 on any O2 range.

4.4.1 Set Alarm 1 (HI alarm)

Alarm 1 is preset as a high alarm. To configure this alarm to your preferences:

1.Press the SET ALARM 1 function button once.

2.To change the setting at which the alarm will be actuated, press the SET ALARM 1 function button once more. The alarm setpoint will flash on the LED display. Press either the Up or Down keys to raise or lower the displayed value, as required,

Teledyne Analytical Instruments 33