Campbell-scientific CS420 and CS425 PDCR 1830-8388 Pressure Transducer Manuel d'utilisateur télécharger pdf (Page 25)

CS420-L and CS425-L Pressure Transducers

•

Check indicating desiccant or enclosure humidity indicator; service

desiccant if necessary

• Check battery condition (inspect physical appearance and use a keyboard

display or laptop to view the battery voltage)

• Check all sensor readings (using keyboard display or laptop); adjust

transducer offsets if necessary

• Check recent data using keyboard display or laptop

• Perform routine maintenance suggested by manufacturers

See datalogger manual for more information about using a

keyboard display or laptop to view battery voltage, sensor

readings, and recent data.

NOTE

9.2 Every Three Months

• Change batteries (as needed--may be less often)

• Replace enclosure desiccants

• Check calibration of all sensors

• Inspect probe cable conditions for deterioration or damage

• Check wire connections ensuring they are still secure

9.3 Every Two to Three Years or on a Rotating Schedule

Send the transducers to the factory or laboratory for inspection and have them

serviced and/or replaced as needed.

10. Troubleshooting

The most common causes of erroneous pressure transducer data include:

• poor sensor connections to the datalogger

• damaged cables

• damaged transducers

• moisture in the vent tube

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Campbell-scientific CS420 and CS425 PDCR 1830-8388 Pressure Transducer Manuel d'utilisateur Page 25