Teledyne 319R User Manual download pdf (Page 10)

2.0 Installation & Operation 319R

TELEDYNE BROWN ENGINEERING

Analytical Instruments

Setting Alarms

The alarms can be adjusted over the full scale range, and they are set

as a percent of full scale. Thus, an alarm set to indicate 192 on the display

while on the 200 PPM O

range will activate at 192 PPM O

on the 200

PPM O

range and at 1920 O

on the 2000 O

range (96% of full scale). To

set the alarms:

1. Place the range switch located below the front panel display in

the 2000 PPM range position (or highest range available).

2. Place the power switch in the ON position.

3. To set the high alarm, hold down the SET HI ALARM button

while turning the potentiometer to the right of the button until

the display reads the desired concentration.

4. To set the low alarm, hold down the SET LO ALARM button

while turning the potentiometer to the right of the button until

the display reads the desired concentration.

5. Remember, the System/Cell Failure alarm is factory set at 2%

of full scale; should this alarm trigger, the LED to the left of the

front panel display will blink.

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Teledyne 319R User Manual Page 10