JRC JLN-550 -, Instruction Manual

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26 9. SPECIFICATIONS
9. SPECIFICATIONS
Operation system : Two - axis, four - beam pulse Doppler Sonar
or
Three - axis, four - beam pulse D Rate of turn gyro system
(Rate of turn gyro is option)
Operation frequency
: 240kHz (BT: Bottom Tracking)
2MHz (WT: Water Tracking)
Speed measurement range : BT
Fore/aft. –10.00 to +40.00 kts
Port/stb. –9.99 to +9.99 kts
Stern P/S –9.99 to +9.99kts (need ROT)
: WT Fore/aft. –10.00 to +40.00 kts
Run distance display range : 0 to 99999.99nm
Depth range
: BT 2 to 250m (below hull bottom)
: WT greater than 3m (below hull bottom)
Speed accuracy
: ± 1% or ± 0.1kts whichever value is greater
Distance accuracy
:
±
1% or
±
0.1nm in each hour whichever value is greater
Display
: Digital display Speed unit = kts or m/s
Signal input
: External trigger pulse from onboard echo sounding equipment --- 2 circuits
Signal output
: Ship speed --- 2 circuits
DC voltage signal for remote analog display (-2VDC to +10VDC)
: LOG pulse --- 1 circuit
Relay closure signal (200 pulses/nm,30V,1A max)
: LOG signal --- 8 circuits
Opto coupler signal (200 pulses/nm, 30V,50mA max)
: Distance signal --- 1 circuit
Relay closure signal for distance counter (35V,0.1A max)
: Power fail alarm --- 1 circuit
Relay closure signal (250V,5A max)