alpha® WSN SM 240

alpha^® WSN SM 240

Sensor module temperature measurement

Data sheet (770 KB)

Declaration of conformity (261 KB)

Technical data

HF parameter
Frequency range	868 MHz ¹⁾
Radio data rate (NRZ)	max. 61.4 kbit/s
HF power (max.)	+7 dBm
Sensitivity (typ.)	-100 dBm @ BER 10^-3
Type of modulation	GFSK
Range (open view)	max. 400 m
Power
Supply voltage	4.5 ... 30 V DC ext.; 3.6 V battery
Current demand RX	approx. 20 mA
Current demand TX	approx. 25 mA
Current demand Sleep	approx. 100 µ
General data
Repeater operation	yes
Temperature range	-40 °C ... +85 °C
Measuring interval	10 s ... 1 year
Dimensions	96 x 62 x 40 mm
Voltage supply
via battery ⁵⁾	yes
via power supply unit ⁵⁾	yes
via USB socket	-
Power over Ethernet	-
Interfaces
Voltage supply	via 2-pole connecting terminal
Sensors / data	per module max. 6 x PT1000 ⁴⁾
Antenna connection	SMA
Additional information
Housing	-
¹⁾ other frequency ranges on request (433 MHz, 915 MHz, 2.4 GHz, ...) ²⁾ measuring range -40 °C ... +110 °C ³⁾ resolution 12 bit ⁴⁾ ± 1 °C, measuring range -40 °C ... +110 °C, max. 6 PT1000, more sensors or PT100 on request ⁵⁾ not included in the delivery scope

Subject to change without notice.


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