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5 Tips for Calibrating a Chart Recorder the Right Way

5 Tips for Calibrating a Chart Recorder the Right Way
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Accurate data logging isn’t possible with chart recorders. They play a crucial role across various industries in measuring data over long periods.

However, their precision and reliability depend heavily on proper calibration. While calibration may seem like an overly technical task, it’s not as complex as you might think. These five tips for calibrating a chart recorder the right way will make this process as easy as can be.

Equip Yourself With the Necessary Tools

Calibration can’t begin without the right set of tools. Typically, these include a reliable reference tool for measurements, a chart reader to collect and interpret chart recorder data, and a precision screwdriver set for physical adjustments to the device.

Additionally, you’ll need the user manual for your specific chart recorder. It will contain critical information about the calibration process.

Examine the Chart Recorder for Any Issues

A preliminary inspection will prevent calibration inaccuracies. Carefully examine the chart recorder for physical damage, such as cracks, frayed wires, or loose connections. A broken pen or a device covered in dust and debris will interfere with accurate readings during the calibration process.

Set Up the Reference Device

The reference device is what you’ll compare the chart recorder’s readings against, so it must be precise and reliable. Ascertain that the reference device has a traceable standard. This step ensures that its measurements are accurate.

Next, set up your reference device in the same environment as the chart recorder. Both devices must be subject to the same conditions.

If you’re using a reference thermometer as your reference device, for example, make sure to set it to the correct scale (Fahrenheit or Celsius). If it’s a pressure measurement, you should set the reference device to the desired unit, be it PSI, bar, or another unit.

Once set up correctly, the reference device will provide the benchmark when comparing readings to the chart recorder.

Conduct Frequent Calibrations

As time passes, devices tend to drift from their original settings. It can result in reading discrepancies.

Performing regular calibration will allow you to effectively keep this drift in check. This will ensure the recorder continuously provides precise and reliable measurements. The goal is to safeguard the integrity of your data.

Make Careful Adjustments

Approach adjustments with care and precision. Over-adjustment can potentially introduce additional discrepancies in your readings, compromising the accuracy of your data.

To ensure optimal results, you should make small, incremental adjustments and meticulously re-check your readings each time you make a change. A meticulous approach will preserve the accuracy of the measurements.

An important chart recorder calibration tip is that calibration takes time. Doing this the right way means that it’ll be an ongoing process. Use the information described above to make this procedure effortless and uncomplicated.