Power supply | |
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Operating voltage
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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) | |
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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 | |
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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 | |
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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 | |
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Sensor certification | RESET Air Accredited Indoor Monitor & Data Provider: https://www.reset.build/directory/monitors/RM-034 |
EU conformity (CE)
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RCM conformity
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UKCA conformity
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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 | |
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Colors |
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Packaging | Corrugated cardboard |
Weight including package
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*) The documents can be downloaded from http://siemens.com/bt/download.