ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Particulate Matter
Measuring principle: Laser scattering
Measured pollutants: PM1.0, PM2.5 and PM10
Measuring range: 0…1000 µg/m3 (for each pollutant)
Particle size detection range: Ø 0.3…10 µm
Linearity error: < 5%
Repeatability: < 3%
Sensor warm up time: 15 s
Sensor lifetime: 5 years approx. in 5 minutes cyclic operating mode (default)> 10,000 hours in continuous operating mode (1 meas./s)
Temperature drif:t < 0.01 µg/m3/°C
CO2
Measuring principle: Double wavelength NDIR
Measuring range: 0…5000 ppm
Accuracy: ±(50 ppm+3% of measurement) @ 25 °C and 1013 hPa
Response time: < 120 s (air speed= 2 m/s)
Long-term stability: 5% of measurement / 5 years
Temperature drift: 1 ppm/°C
