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4" Pressure Chart Recorder
Articles
- How to Change Charts
- Why Did the Chart Stop Turning?
- Why Isn’t the Chart Keeping Time or Running Slow?
- Why Won’t the Chart Recorder Rotate?
- How to Change Pens
A Snapshot of Changing Charts
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Causes and Troubleshooting:
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The chart may be hung up or restricted, possibly caused by a rip on the outer edge of the chart. The chart may also be caught between the arm and pen arm platform. that the gears are not binding or slipping by manually advancing the chart one full rotation with the chart rotation button.
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Unit may also be locked up. This can be confirmed by pressing any of the buttons on the keypad. If the unit is locked up, there will be no response to button presses.
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The recorder may appear to be working, but the readings won’t change and the chart will not rotate. To correct this, remove the battery and AC power (if applicable) for a minute and then re-power.
Causes and Troubleshooting:
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The chart may be hung up or restricted, possibly caused by a rip on the outer edge of the chart.
-
The chart may also be caught between the arm and pen arm platform.
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The incorrect chart may have been installed for the selected chart speed.
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To ensure that the gears are not binding or slipping, manually advance the chart one full rotation with the chart rotation button.
| Symptoms | Probable Causes | Suggested Corrections |
|---|---|---|
| Hung up chart | A rip on the outer edge of the chart | Check to see if the chart is caught between the arm and pen arm and adjust accordingly |
| Penn has too much tension | Too much tension can cause the chart to pinch the dial plate | Ensure that the pen does not have too much tension |
| Bad battery | The battery is inserted inccorectly or a dead battery | Check that the battery is inserted in the correct way or replace battery. |
| Chart is inserted wrong | Chat could also be ripped or torn | Ensure the center strip of the chart is inserted properly into the black center hub of the recorder |
| Ticking Sound | From the clock | the clock should tick once every second for a 24-hour unit and once every 7 seconds for a 7-day unit |
Changing Pens Can Be Easy and Important
Learn more in Chart Recorder Topics
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