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Esky Purify recommends that you perform a factory calibration on the TSI8530/8532 dust monitor once a year. The factory calibration is an absolute calibration, which is different from the comparative calibration of a third party. The factory calibration will adjust the instrument to a (nearly new) working condition and give you a calibration certificate. This (annual test) will ensure that the TSI 8530/8532 dust monitor is always in the best working condition. Proper maintenance of the instrument can greatly reduce the failure of the instrument and effectively extend the service life of the instrument. The following are the maintenance and maintenance suggestions for TSI8530/8532 dust monitor provided by Esky Purify:
 

1. Maintenance schedule

TSI 8530/8532 dust monitors require regular maintenance. Table 4-1 lists the maintenance time recommended by the manufacturer.

As shown in the figure, some of these maintenance items need to be done after each use of the TSI 8530/8532 dust monitor, some are done once a year, and some depend on the situation of dust passing through the instrument. For example, under the sampling concentration of 1mg/m3, we recommend that the air inlet nozzle be cleaned every 350 hours. This recommendation should be adjusted in proportion to the concentration, depending on the instrument usage, e.g. 350 hours of sampling at 1 mg/m3 is equivalent to 700 hours of sampling at 0.5 mg/m3, or 175 hours of sampling at 2 mg/m3.

Figure 4-1:Recommended Maintenance Schedule
 

After cleaning, the instrument maintains a large number of particles passing through the instrument. When the internal filter recovers, the filter error indicator on the screen should change from green to red.
 

2. Re-zeroing

Esky Purify recommends that you zero the instrument before daily measurement and long-term monitoring, or zero it after certain conditions change. For example, the temperature changes by 15°F (8°C) or the measurement is moved from a high-concentration place to a low-concentration place.

1. Place the filter membrane on the aerosol sampling inlet (as shown in Figure 4-1). 4-1;">

4-2. Clean the sample inlet
 

2. Follow the instructions for zero calibration in this manual.
 

3. Clean the sample inlet

The sample inlet should be cleaned according to the schedule in Table 4-1.

1. Turn off the instrument

2. Remove the injection port nozzle (Figure 4-2)

3. Clean the injection port. You can use a cotton swab dipped in water or a light solvent (such as isopropyl alcohol) to clean the outside of the injection port. The inside of the near-sample port can be cleaned with a small brush dipped in a light solvent. After cleaning, blow the nozzle dry with compressed air or allow it to dry completely in the air. Be careful not to blow particles into the DustTrak inlet.

4. Reinstall the inlet.
 

IV. Clean the 2.5µm impact disk

The impact disk is used for standard calibration of the instrument and should be cleaned before each use of the instrument.

1. Remove the impact disk and check the O-ring.

2. Use a small brush dipped in a light solvent to clean the inside and outside of the impact plate and the impact plate. After cleaning, blow the nozzle dry with compressed air or let it dry completely in the air.

3. Put a drop of oil on the impact plate, do not let it spill.

4. Replace the impact plate. 5. Replacement of Internal Filters

The internal filter paper must be replaced according to the schedule listed in Table 4-1, or when the filter error indicator on the screen turns red.