Orion 180001 and 180011 Modules Manual
 
Orion 180001 and 180011 Modules Manual
For your convenience, the optional signal conditioner module (Orion 180001) has been factory installed in all “AO” versions of monitors. Read section Setting Module Output and if you need to change the factory settings, see Removing Installed Module.

The Series 1800 Monitors alarm circuit is unique. If the instrument logic detects sample concentration is increasing at such a rate that alarm 2 value will be reached within an hour, a warning signal is activated. This signal is a one second alarm every four seconds which increases in frequency as a concentration approaches alarm level. Also, if absolute sample concentration is 90% of alarm 2 value, intermittent warning signal is activated to alert operator that high concentration limit is being approached. If this feature is not desired, the alarm 1 should be used to set external alarm.

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   Orion 1800 Series Optional Modules Manual (103 Kb)