Teledyne 460H - Manual (Page 18)

3.0 Startup
Perform the following steps when fist installing the M460H ozone monitor or when
bringing the monitor back into service.
1. Turn on power to the monitor. The display will briefly display the “API” logo
followed by the software version. The display will then begin showing ozone
concentration.
2. Establish a flow of zero gas to the monitor. Zero gas can be oxygen or clean, dry air.
If monitor cannot be disconnected from an ozone generator, then establish flow
through the generator and monitor with the generator turned off. Flow rate through
monitor should be between 0.5 – 2.0 LPM (Liters per minute.)
3. Let monitor warm up and purge for a minimum of 5 minutes. Zero the monitor by
simultaneously pressing the Zero buttons on the front panel. The display should
momentarily show dashes (‘----‘) after which the display should go quickly to zero.
4. Check Status LED’s on front panel; Sensor OK led should be ON, all other LED’s
should be OFF. If the Status LED’s are not in this state, refer to Chapter 7 for
troubleshooting information.
5. Observe the monitor for several more minutes at zero to ensure that it is stable.
6. The monitor is now ready to measure ozone.
P/N 03662D Teledyne API Model 460H O3 Monitor Operator Manual - Page 18