DC-type PN counter ke tharollo e ikhethang bakeng sa tlhahlobo ea tlhahiso ea profeshenale. E etselitsoe ho lekola boima ba 'mele le linomoro liteisheneng tsa tlhahlobo le libencheng tsa tlhahlobo ea enjene. Sehlahisoa se entsoe ka li-sensor tse tsoetseng pele ka ho fetesisa tse fumanehang 'marakeng,' me likarolo tsohle tsa k'hamphani ea PN li kopantsoe hammoho ho netefatsa ts'ebetso e nepahetseng ea li-sensor tlasa maemo ohle.
E ka sebelisoa ho lekanya palo ea likaroloana (PN), benche ea tlhahlobo ea enjene le tlhahlobo ea PEMS, le ho lekola likhahla tse tlase haholo tsa karolo ea tikoloho.
1. E khona ho lekanya palo ea likaroloana le boima;
2. Mefuta e mengata ea tekanyo e matla;
3. Nako ea ho arabela <5s, qeto ea nako: 1s, ho nepahala ha tekanyo ≤ ± 20%;
4. Ha ho hlokahale dilution sampole;
5. Puisano: Puisano ea 4G / 5G IoT, ho fetisetsa data ka ho toba ho seva sa leru le ho shebella nako ea sebele ka selefouno le PC;
6. Lintho tse ka fumanoang: 10nm-2.5μm
7. Lethathamo la tekanyo: 1000 ~ 5000000 #/ cm3;
8. Tlhokomelo ea nako ea sebele e tsoelang pele;
9. Sensor ea particulate e arabelang ka potlako ho netefatsa tekanyo ea nako ea nnete.