Seiwa SWRx series - Manual (Page 35)

37 User Manual
4. Technical Specifications
This chapter provides specifications of the several types of Radar.
4.1 SWR 1
Antenna unit
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Power supply : 10.8 to 31.2 VDC
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Power consumption : 30W or less
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Preheat times : 90 sec
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Aerial : Radome 0.9 Feet
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Peak power output : 2kW
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Transmitting frequency : 9445+/-30MHz
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Beam width (degree) Horizontal : 7°
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Vertical : 25°
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Side Lobes Within +/-10° : <=-20dB
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Rotation : 30rpm
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Pulse Length ( μsec)/PRF (Hz) S : 0.1/2200
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M, M1 : 0.3/1100
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L, M2 : 0.8/550
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IF center frequency : 60MHz (Linear amplifier)
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IF bandwidth S : 6MHz
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M, M1 : 6MHz
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L, M2 : 3MHz
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Noise figure : 10dB nominal
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Operating Temperature : -25°C ~ +55°C
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Operation in wind (relative) : 100 knots
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Water Resistance : IPX6 (IEC60529)
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Preheat times output (by 5 sec step) : 85 sec to 5 sec
Dimensions and Mounting
Fig. 4.1 - Radar SWR 1 (I)