Plantower laser counters may need replacing for various reasons including age, contamination inside the device or simply failing after a long time in service.
Here you can purchase replacement particle detectors. They come in pairs for the PA-II series devices with a plastic component to aid in locating supporting parts.
All Plantower laser counters have been pre-tested in PurpleAir test chambers.
NOTE: Please be sure to select the correct laser counter set for your device:
Each type has different connectors or mounting methods
I have installed 5 PurpleAir sensor stations in the municipality of Pignataro Maggiore (Italy) and over the years, I have had to replace 4 pairs of sensors, following the provided video guide. The operation is simple and very well-guided!
A
Anonymous
Sensor Replacement
Simple to update and back to 100% sensor agreement.
D
Dirt Lizzard
Replacement Laser Counters
Replacements work and install was not a big deal with the video. Customer service from Purple Air was great.
J
Jeri Thompson
Replacement Laser Counters
Installing the replacement laser counters solved the problem!