HK Instruments Siro-PM-rH-T-A Multifunctional indoor air quality transmitters for building automation systems (PM; rH; T)

Measurement ranges:

+ PM1/PM2.5/PM10:

0–50 μg/m³ / 0–500 μg/m³ (selectable via jumper)

IAQ index: 1-5 (WHO rating)

+ Temperature:  0...50 °C

+ Relative humidity: 0–100 %rH

Accuracy:

+ PM:

0…100 µg/m3:

PM2.5:  ±15 µg/m³ (at 25 ⁰C ±5 ⁰C)

PM1/PM10*:  ±25 µg/m³ (at 25 ⁰C ±5 ⁰C)

100…1000 µg/m3:

PM2.5:  ±15 % (at 25 ⁰C ±5 ⁰C)

PM1/PM10*: ±25 % (at 25 ⁰C ±5 ⁰C)

*PM1 and PM10 values are calculated from PM2.5 measurement reading with the default particle distribution

+ Temperature:  ±0.5 ⁰C (typical at 20 ⁰C)

+ Relative humidity: ±2.4 %rH (typical at 20 ºC, 30 % rH)

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:

PM = Particulate Matter sensor

rH = Humidity sensor

T = Temperature sensor,

A = mA output