Chapter 8 __________________________________________________________Technical Data
VAISALA
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CHAPTER 8
TECHNICAL DATA
This chapter provides the technical data of SPS311.
Specifications
Table 16 SPS311 Specifications
Property Description / Value
Dimensions 235 x 323 x 183 mm
Power consumption 70 W max.
Mains voltage 90 ... 132 V or 175 ... 264 V
Mains frequency 47 … 63 Hz
DC power connection 19 … 36 VDC, 60 W max.
Weight 7.5 kg max.
Cooling system Forced air convection, three fans
UHF Connector Coaxial N-type female
GPS Connector Coaxial TNC-type female
VLF Connector Coaxial C-type female
Antenna power Antenna amplifiers are powered through
antenna cables
Modulation GFSK, GMSK, FM, FSK
Frequency range 400.15 ... 406 MHz
Sensitivity with RS92-SGP -120 dBm (*
Sensitivity RS92-K, RS80-15G -110 dBm (*
Noise figure <2.5 dB (*
Image rejection 70 dB (*
Spurious Free Dynamic
Range with RS92-SGP
90 dB (*
Third Order Intercept Point
(IIP3)
0 dBm (*
Input impedance 50 Ohms
Operating temperature range 0° C ... 45° C
Operating humidity 10 … 90 % RH (non-condensing)
Storage temperature -55° C ... 70° C
Storage humidity 5 … 95 % RH
*) specifications valid with Vaisala telemetry antennas
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