*Main features of the Single Frequency Echo Sounder:

• With advanced frequency conversion technology, HD-370 and HD-380 reduce noise caused by transducer and enhanced echo intensity. In addition, both the HD-370 and the HD-380 support different frequency transducers to meet the demands of different hydrographic projects.

• The optimal TVG curve of HD-370 and HD-380 is designed according to the transmission properties of sonar in water which can greatly optimize sounding performance and solve the issue of shoal water sounding.

• Portable design, high-definition LCD screens and mass storage make field operations much more convenient.

• Preinstalled Hi-Sounder software reduces your software cost.

• With the low frequency sounding function, HD-380 can easily get mud thickness data.

*Specification of the Single Frequency Echo Sounder

Digital Echo Sounder	HD370
	Single Frequency
Frequency	200 KHZ(other frequency for option)
Transmission Power	500W (200KHZ transducer)
Bathymetric Range	0.3m-600m
Depth Resolution	0.1ft/0.01m
Accuracy	±0.01m+0.1% of h( depth value)
Ping Rate	Up to 30Hz
Draft Range	0.0m～15m
CPU	1.6GHZ
Memory & Storage	1G DDR2 & 4G storage
LCD Display	12 inches, 1024X768 resolution, 1000cd/ m2
I/O Interface	2×RS-232 ports, 3×USB ports, 1×DC power port, 2×TX ports (for transducer)
Power Supply	DC 9～36V / AC 220V
Operation Temperature	-30°C～60°C, non-condensing
Dimension	44mmL X 341mmW X 164mmH
Weight	9 kg

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