Teledyne API Model 465L O3 Monitor Operation Manual
7.2.6.SETUP-VARS Menu
The VARS menu allows viewing and editing of various global setup variables that effect how the M465L operates. These variables are stored in the instrument’s
Table
| VAR |
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| Meaning |
| Default |
| Range |
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| Value |
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| S/N |
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| Serial number of M465L. This number should match | N/A |
| 1 – 9999 | ||
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| the serial number tag on the rear of the instrument. |
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| ALARM |
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| Controls the latching behavior of the concentration alarms. |
| LATCHING, | |||
| MODE |
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| See Section 7.1.4 for additional details. |
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| STREAM |
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| 1 | 1,3,6 |
| |
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| Specifies the number of streams available in the instrument. Note that the |
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| COUNT* |
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| hardware in the instrument must be also configured to support the number |
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| |
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| of streams specified. |
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| DWEL |
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| Dwell value for stream selector operation. See Section 7.3 | 30.0 |
| 0.0 – 30.0 | ||
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| for additional details. | Seconds |
| Seconds | ||
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| 45.0 |
| 0.0 – 45.0 | |||
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| (Section 4.1.1.2), require additional dwell time to purge the | Seconds |
| Seconds | ||
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| filter between stream measurements. |
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| ALARM |
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| Number of readings above alarm limit required to trigger | 5 | 1 - 10 |
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| DELAY |
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| alarms |
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| |
MAN MODE |
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| Enables/disables the Manual mode timeout feature. See | ON |
| ON, OFF | |||
TIMEOUT |
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| Section 7.1.3 for more detail. |
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| ||
| BC FILT |
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| Boxcar filter length for concentration filter. Increasing the | 10 |
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| SIZE* |
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| size of the filter will smooth out the concentration readings |
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| |
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| but will also increase the response time. |
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| FLOW |
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| Enables/disables operation of optional electronic flowmeter | OFF | ON, OFF | |||
| ENABLE |
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| COMM |
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| MODBUS address for serial communications | 1 | 1 - 20 |
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| ADDRESS |
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| UNIT |
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| Concentration | PPM | PPM, PPB, UGM | |||
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| SCROLL |
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| 20 |
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| DELAY |
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| speed (lower value) or decrease speed (higher value) the |
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| display scroll. |
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USER SLOPE |
| 1.000 |
| 0.8 – 1.0 | |||||
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| UNITS |
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| Standard (20ºC) or Normal (0ºC) temperature selection for | NORMAL |
| NORMAL | ||
| TEMP |
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| g/Nm3 units of measure. |
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| STANDARD | ||
* Changing the value of these VARS forces the instrument to automatically reboot for the changes to take effect.
52 | 05509F DCN6409 |
