| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| bhamster | "That's a great question! The sensor unit (a PMS 7003) comes factory calibrated, and I'm not sure if/what recalibration happens within the unit. And..." | Read more » | about 3 years ago | |||
| Ag8n | "The data is impressive. Dumb question here. Does the instrument autimatically check it's zero point? " | Read more » | about 3 years ago | |||
| bhamster | "I occasionally run an indoor stationary air quality sensor that continuously collects data on fine particulate matter (PM2.5), and one of my go-to ..." | Read more » | about 3 years ago | |||
| Ag8n | "Thanks for the reference. I'll read it over. Regards. " | Read more » | about 3 years ago | |||
| bhamster | "Different fields using different units is such an important point that's not immediately obvious. Thanks @Ag8n. Your comment reminded me of this r..." | Read more » | about 3 years ago | |||
| Ag8n | "For example, in the medical manufacturing field, class 100,000 rooms are common. Those are not the same units used in the environmental work. " | Read more » | about 3 years ago | |||
| Ag8n | "I always start with units and work up from there. For example, there were dramatic differences in the units used for air particulate in the medical..." | Read more » | about 3 years ago |