HK Instruments Siro-CO2 Multifunctional indoor air quality transmitters ສໍາລັບການກໍ່ສ້າງລະບົບອັດຕະໂນມັດ (CO2: 2000ppm)
Measurement ranges:
+ CO2: 0–2000 ppm / 400–2000 ppm (selectable via jumper)
Accuracy:
+ CO2: ±43 ppm + 3 % of reading (typical), additional ±60 ppm for first weeks
Measuring elements:
+ CO2: Non-dispersive infrared (NDIR)
+ VOC: Complementary Metal Oxide Semiconductor (CMOS)
+ PM: Laser-based light scattering particle sensing
+ Temperature: Integrated to CMOS
+ Relative humidity: Thermoset polymer capacitive sensing element
Measuring units:
+ CO2: ppm
+ Relative humidity: % rH
+ Temperature: °C
+ VOC: CO2eq: ppm; TVOC: ppm, μg/m3
+ PM1/2.5/10: μg/m3
Calibration (CO2): Automatic self-calibration, ABC LogicTM
Supply voltage: 24 VDC/VAC ±10 %
Output signal 1–4:0...10 V (optional 2...10 V / 0...5 V, display or configuration tool required); Optional: 4...20 mA; Linear to selected measurement (CO2, VOC, PM, rH or Temp)
Operating temperature: 0...50 °C
Protection standard:IP20
Noted:
CO2 = Carbon dioxide sensor
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