Power supply

Operating voltage

  • QNA2700D.BA1
  • QNA2700D.BA2
  • QNA2700D.BA2, QNA2820D.EU, QNA2820D.US, QNA2820D.AU

 

  • PoE IEEE802.3af (37…57 V) or USB Type C (5 V, 2 A)
  • AC/DC 12...24 V or USB Type C (5 V, 2 A)
  • USB Type C (5 V, 2 A) or AC/DC 12...24 V

Backup battery

  Capacity and Voltage

  Runtime

Rechargeable Lithium-Ion battery

2000 mAh @ 3.7 V

4 hours for sensor module power supply

Power consumption

  Operating

  Total

 

1.76 W (max. 2.6 W, 6.5 W with battery charging)

Less than 1.3 kWh per month (operating for 30 days)

Communication protocol (no data buffer and COV)

BACnet IP

10/100 Full-Duplex w/ In-Wall Mount, 10 s transmission rate

BACnet MSTP

MS/TP & Ethernet IP w/ In-Wall Mount, 10 s transmission rate

LoRaWAN

LoRaWAN 1.0.2, class C, 1 min transmission rate

Functional data of sensor

Humidity sensor

Type

Complementary metal oxide-semiconductor (CMOS) sensor

Measuring range

0…100 % r.h.

Measuring accuracy

±3 % r.h. within comfort range (30...70 %)

±5 % full range

Resolution

0.01 % r.h.

Temperature sensor

Type

Complementary metal oxide-semiconductor (CMOS) sensor

Measuring range

0...90 °C (32...194 °F)

Measuring accuracy

±1 °C

Resolution

0.015 °C

CO2 sensor

Type

Non-dispersive infrared sensor with automatic baseline calibration (ABC)

Measuring range

400...5000 ppm

Measuring accuracy

±75 ppm or ±10 % of reading (whichever is greater)

Resolution

1 ppm

TVOC sensor

Type

Multi-pixel metal-oxide semiconductor sensor

Measuring range

20...36000 ppb

Measuring accuracy

±15 % of reading

Resolution

1 ppb

PM2.5 & PM10 sensor

Type

Optical laser, light scattering sensor

Measuring range

0...1000 µg/m3

Measuring accuracy

±15 µg/m3 (0...100 µg/m3), ±15 % of reading (100...1000 µg/m3

Resolution

1 µg/m3

Ambient light sensor

Type

Photodiode, integrated ambient and infrared light to digital converter

Measuring range

0.96...64000 lux

Measuring accuracy

±10 %

Resolution

0.1 lux

Ambient noise sensor

Type

Analog MEMS microphone

Measuring range

48...90 dBA

Measuring accuracy

±3 dBA Leq

Resolution

0.1 dBA

Sensitivity

-26 dBFS

Signal noise ratio (SNR)

Typical 61 dBA (20 Hz...20 kHz)

Sample rate

46.875 KHz

Recordings

1 x 44 ms (no more than 44 ms of data is sampled)

Ambient conditions and protection classification

Protection degree of housing

IP30 according to EN60529

Environmental conditions

  Storage

    Climatic conditions

      Temperature

      Humidity

    Mechanical conditions

  Transport

    Climatic conditions

      Temperature

      Humidity

    Mechanical conditions

  Operation

    Climatic conditions

      Temperature (housing with electronics)

      Humidity

    Mechanical conditions

 

 

 

-20...+60 °C

0…95 % r. h. (non-condensing)

Class 1M2

 

 

-20...+60 °C

<95 % r.h.

Class 2M2

 

 

-5...+40 °C

0…95 % r. h. (non-condensing)

Class 3M2

Directives and approvals

Sensor certification

RESET Air Accredited Indoor Monitor & Data Provider: https://www.reset.build/directory/monitors/RM-034

EU conformity (CE)

  • QNA2700D.BA1, QNA2700D.BA2
  • QNA2820D.EU

 

  • A5W00287987A *)
  • A5W00287993A *)

RCM conformity

  • QNA2700D.BA1, QNA2700D.BA2
  • QNA2820D.AU

 

  • A5W00287989A *)
  • A5W00287998A *)

UKCA conformity

  • QNA2700D.BA1, QNA2700D.BA2
  • QNA2820D.EU

 

  • A5W00287988A *)
  • A5W00287994A *)

RoHS

Directive 2011/65/EU restriction of the use of certain hazardous substances in electronic equipment

Environmental compatibility

The product environmental declaration (A5W00274475A *) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).

General

Colors
Panel
Frame


Grey
White

Packaging

Corrugated cardboard

Weight including package

  • QNA2700D.BA1
  • QNA2700D.BA2
  • QNA2820D.EU
  • QNA2820D.US
  • QNA2820D.AU

 

  • 0.677 kg
  • 0.677 kg
  • 0.692 kg
  • 0.692 kg
  • 0.692 kg

*) The documents can be downloaded from http://siemens.com/bt/download.