Met One 80846 Zero Filter Accessory Kit Instruction Manual

Met One 80846 Zero Filter Accessory Kit

CAUTION: IF YOU HAVE A MODEL 831 OR AN 804 WITH SERIAL NUMBER PRIOR TO N14922 AND SHIPPED PRIOR TO 2013, WHICH HAS NOT BEEN UPGRADED WITH THE 80419 INLET SCREEN KIT, GO TO SECTION 3.

Set Up

1. Remove the inlet screen assembly by pulling straight up off the inlet adapter seal. It is held on by an “O” ring on the inlet adapter seal.
   

2. Attach the zero filter with Inlet Adapter to the instrument inlet.
   

Zero count check

1. Set the particle counter for the 0.3µm size. Set the Aerocet mass monitor to the largest available size (PM10 or TSP).
2. Set the particle counter for actual counts. Set the Aerocet sample time to 1 minute.
3. Start the flow on the instrument by pressing the start button.
4. If the particle counter shows counts or if the Aerocet does not show 0 µg/m3 , run two more 1-minute cycles to clean out the engine and tubing. The third cycle should show no counts or 0 µg/m3.
5. Check the inlet screen for contamination or blockage before reinstalling the inlet screen assembly back on the inlet adapter seal.

FOR 80430 SERIES HANDHELD PARTICLE COUNTERS MODEL 831 OR 804 SERIAL NUMBER PRIOR TO N14922, WHICH HAVE NOT BEEN UPGRADED WITH THE 80419 INLET SCREEN KIT

Set Up

1. Remove the inlet screen assembly by pulling straight up off the inlet adapter seal. It is held on by an “O” ring on the inlet adapter seal.
   

2. Remove the inlet adapter seal by loosening the two Allen screws with the .035” Allen wrench provided with the kit (MOI# 993035)
   

3. Attach the 80846 zero filter to the inlet of the particle counter as shown below.
   

Zero Count Check

1. Set the counter for the 0.3µm size.
2. Set the counter for actual counts
3. Start the flow on the particle counter by pressing the start button.
4. If the particle counter shows counts, run two more 1-minute cycles to clean the engine and tubing out. The third cycle should show no counts.
5. Check the inlet screen for contamination or blockage before reinstalling the inlet screen assembly back on the inlet adapter seal.

CUSTOMER  SUPPORT

Met One Instruments, Inc
Corporate Sales & Service: 1600 NW Washington Blvd. Grants Pass, OR 97526
Tel 541-471-7111 Fax 541-471-7116
www.metone.com service@metone.com

References

• Met One - Precision Air Quality Monitoring Instruments
• Met One - Precision Air Quality Monitoring Instruments

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