Fluke-biomedical 451P User Manual download pdf (Page 23)

Ion Chamber Survey Meter

Operation

RS-232

hms03.eps

Figure 5. Location of RS-232 port

Operational check

Fluke recommends an operational check upon receipt of the Survey Meter and

before each use. Monitor the start sequence. These results indicate the device is

operating correctly:

• There are no error messages in the startup sequence.

• The display does not freeze (showing only the firmware number).

• The Survey Meter gets to the background level within 2 minutes.

Optional Check Source Use

For more testing use the check source (Fluke part number: 3463380).

To check the device, do the following:

1. Turn on and initialize Survey Meter.

2. After the self-test completes, wait for 1 minute.

3. Place check source on the white dot on the right hand side of the case.

4. Hold source in position until reading stabilizes and then record the reading.

This is your baseline measurement. Perform all subsequent operational checks

in the same manner with the source in the same position. Each subsequent

check source measurement should be within 30 % of the recorded baseline

measurement.

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Fluke-biomedical 451P User Manual Page 23