Raymarine Radar Scanner Guia do Utilizador descarregar pdf (Página 25)

Appendix A: Technical specification

RD418D 18”Digital Radome scanner unit

General

Approvals

CE - conforms to

FCC - conforms to

Industry Canada - conforms to

1999/5/EC

47CFR Part 2 and Part 80

RSS138

Dimensions Φ521 x 247 mm (20.5 x 9.7 in)

Weight 9.5 kg (21 lbs)

Input Voltage 12 - 24 V DC (from multi-function display

unit)

Power Consumption 40 W (20 W Standby)

Environmental Waterproof to IPX 6

Temperature range: -10° to +55°C

Humidity limit: up to 95% at 35°C

Maximum wind speed for satisfactory

operation: 100 Kts

Maximum Range Scale 48 Nautical miles (Nm)

Transmitter

Transmitter Fre-

quency

9405

± 25 MHz

Peak Power Output 4.0 kW (nominal)

Transmitter Solid-state modulator driving

Magnetron

Range (Nm) Expanded Range (Nm) Pulse Width (ns) PRF (kHz)

0.125, 0.25 N/A

± 10ns

3.0

0.50, 0.75 0.125, 0.25

100 ± 10ns

3.0

N/A 0.5, 0.75

150

± 10ns

3.0

1.5 N/A

250

± 5%

3.0

3 1.5

350

± 5%

2.0

N/A 3.0

450 ± 5%

1.5

N/A N/A

600

± 5%

1.3

6.0 6.0

1.0 μs

± 5%

740 Hz

Standby Mode magnetron heater and control

left on, all other services off

Duplexer Circulator

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