Reduced! QFA2890/WI View larger

QFA2890/WI

Siemens

Wireless room sensor, KNX IoT/Thread, Temperature & Humidity

More details

S55720-S551

New product

Reduced from142,80 €
121,38 € *
(102,00 € VAT excl.)

Siemens QFA2890/WI

Wireless room sensor, KNX IoT/Thread, Temperature & Humidity
Wireless room sensor for temperature & humidityWirless communication via KNX IoT over ThreadMeasurement accuracy up to ± 0.3 °C & ± 2 % r.h.More than 10 years battery lifetime (under normal operating conditions)Dimensions: 88 x 88 x 14 mm


Technical Specifications

Battery life: Up to 10 years (under normal operating conditions with 10 minutes wake-up cycle)
Power consumption: Max. 20 mA
Measuring range, temperature: 0...50 °C
Time constant: Rel. humidity: 20 s (depending on air flow) , Temperature: ≤ 8.5 min (depending on air flow and thermal coupling to the wall)
Measurement accuracy: Rel. humidity at 30...70 % r.h.: ±2 % r.h., Rel. humidity at 0...30 % r.h./70...100 % r.h.: ±5 % r.h., Temperature at 21…25 °C: ±0.3 K, Temperature at 15…21 °C/25…35 °C: ±0.7 K, Temperature at 0…15 °C/35…50 °C: ±1 K
Communication: 2400…2483.5 MHz
Indoor wireless range: 50 m
Display: no display
Color: White
Degree of protection: IP30
Dimensions (W x H x D): 88 x 88 x 14 mm

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