Specification Altimeter Product Manual
0286-SOM-00001, Issue: 09 14 © Tritech International Ltd.
1.7. Dual Frequency Echosounder Electrical & Acoustic
Acoustic (Altimeter)
Operating frequency 200kHz 500kHz
Beamwidth
Peak Source
Pulse Length
Range
Digital timing resolution
Refer to Section 1.3, “PA200/PA500 Electrical & Acoustic”
AHRS-1 (Accuracy)
Roll/Pitch (static) 0.5°
Roll/Pitch (dynamic) 0.8° RMS
Yaw (dynamic) 2° RMS
Electrical and Communication
Altimeter AHRS
Power supply 10.5-21VDC or 21-28VDC (internally set)
Analogue output None (Pin 5 used for AHRS RS232
output in free-running mode)
Communication protocols RS232 or RS485
Serial output format
Yxx.xxxm only
(where Y is the LAN
interrogation character)
$HCHDM
$HEHDT
$PASHR
$PHTRH
$PHTRO
$PHDID
TSS1
TSS2
Topside control
Serial interrogate only
Free running (Pin 5 only) or
Interrogate (Pins 1 + 2)
Max interrogation rate Altimeter = 8Hz
Altimeter + AHRS = 4Hz
1.8. Dual Frequency Echosounder Physical & Environmental
Physical
Weight in air 3.4kg
Weight in water 1.7kg
Depth rating 100m
Materials Aluminium alloy housing
Acetal sleeve
Operating temperature -10 to 35°C
Storage temperature -20 to 50°C
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