Campbell CS455 Instrukcja Obsługi Pobierz pdf (Strona 25)

CS450/CS455 Pressure Transducer

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*Table 1 Program

01: 60 Execution Interval (seconds)

1: SDI-12 Recorder (P105)

1: 0 SDI-12 Address

2: 0 Start Measurement (aM0!)

3: 1 Port ;this is where the white wire is connected

4: 1 Loc[Data_1 ]

5: 1.0 Mult

6: 0.0 Offset

*Table 2 Program

02: 0.000 Execution Interval (seconds)

*Table 3 Subroutines

End Program

After Instruction 105 is executed, the input location called “Data_1” will hold

the measured pressure, reported in PSI, and the input location called Data_2

will hold the measured temperature, in degrees Celsius. The results can be

further processed by the logger. Note that Port 1 specifies that the SDI-12 data

line is to be connected to the Port C1.

7. Maintenance

Campbell Scientific recommends that the CS450/CS455 be factory recalibrated

and check every 24 months. Before a CS450/CS455 sensor is sent to Campbell

Scientific, the customer must get an RMA (returned material authorization)

and fill out the Declaration of Hazardous Material and Decontamination form.

The CS450/CS455 has no user-serviceable parts. Cable can be damaged by

abrasion, rodents, sharp objects, twisting, crimping or crushing and pulling.

Take care during installation and use to avoid cable damage. If a section of

cable is damaged, it is recommended that you send your sensor back to replace

the bale harness assembly.

Periodic evaluation of the desiccant is vital for keeping the vent tube dry. The

CS450/CS455 ships with the desiccant tube attached. To assess the

effectiveness of the desiccant, use on of the following:

• The desiccant in the tube changes color from blue to pink when the drying

power is lost.

• An enclosure humidity indicator such as CSI PN6571 humidity indicator

card.

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Campbell CS455 Instrukcja Obsługi Strona 25