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HD-MAX is a full-digit echo sounder for precision measurement in hydrology, reconnaissance, fairway,wharf dredge and so on.Featuring a 17” large-size screen,industrial computer platform,and preinstalled marine surveying software, HD-MAX is designed for efficient, high-speed sounding performance, and provides an excellent solution for marine surveying software,HD-MAX is designed for efficient solution for marine surveying and mapping.
Key features
♥ Friendly Design
1) Multiple shortcut buttons ensure convenient field operation
2) Supports multi-screen display with VGA
3) Adjustable screen display angle
♥ Optimized Sounding Technology
1) Advanced signal tracking gate technology
2) Sampling rate up to 30Hz
3) Optimized TVG curve delivers improved sounding performance
4) Upgrading data processing framework to adapts to a more complex terrain environment
5) Easy to record and replay analog signals and water depth information.
♥ Compatibility and Development
1) Supports other devices such as GNSS receivers,attitude indicators,sound velocimeters and electric gyrocompasses and so on
2) Optional built-in beacon module with precision up to 0.5 meters.
♥ Industrial Computer Platform
1) 17” large-size screen
2) 16GB SSD
3)One-key reset function
4)Waterproof,rugged and durable with high strength polyethylene plastic shell.

| Industrial Computer | |
| CPU | Dual-core 1.6GHz |
| Memory | 2GB |
| Display resolution | 17 inches,1280 X 1024 |
| Operation system | Windows XP |
| Storage | 16GB SSD |
| USB port | 3 X USB2.0 |
| Serial port | 2X RS232 |
| VGA port | 1280 X 1024@60HZ |
| Power supply | 10~30V DC or 220V AC |
| Average power consumption | <30W |
| Working temperature | -20℃~50℃ |
| Weight | 9.5kg |
| Dimension | 480 X 360 X 110mm |
| Sounding Features | |
| Working frequency | 200KHz |
| Maximum transmitted power | 500W |
| Souding range | 0.2m~600m |
| Sounding accuracy | ±10mm+0.1%h at 1cm resolution |
| Draft adjusting range | 0.0m~15m |
| Sound velocity adjusting range | 1370~1700m/s,1m/s resolution |
| GPS Model(Optional) | 30Hz |
| Maximum sampling rate | |
| Channel | 14 |
| Signal | GPS + Beacon |
| Accuracy | 0.5m(1δ, Beacon) |
HD-MAX Standard Configuration
Model No. | Name | Qty | Pic |
| HD-MAX | mainframe | 1 | |
| DRS-10 | GPS connecting line(10m) | 1 | ![]() |
COM-1-2A | serial line(1 to 2) | 1 | |
PW-3A | power cord | 1 | ![]() |
CL-MAX | power adapter | 1 | |
| SYS-MAXE | USB flash disk (system recovery) | 1 | |
| DS-27CA | transducer | 1 | |
OP-520NU | mouse | 1 | |
DS-9818 | Keyboard | 1 | |
TD-27 | survey pole (transducer fixing) | 1 | ![]() |
LH-MAX | mainframe box | 1 | |
LH-3C | accessory box | 1 | |
| packaging box | 2 | ![]() |
1.Any inquiries will be replied within 12 hours.
2.All our products have one year warranty, And we sure the products will be free from maintenance within warranty period.
3.All products will have been strictly quality checked in factory before seding out.
We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS,China Air Post.
You can also choose your own shipping forwarder.
1. So for technical support where can I ask?
A: Please just send your questions to me and I will forward your requirement to the right person since all our technicians or factory engineers are speak Chinese only.
2. We want to import it, but we have not any import/export license, so, please let us know how it will be materialized, so that we can get that instrument without any problem.
A: As we will ship the product through express company like DHL/TNT, you don’t necessarily have any import/export license. The carrier/express will deliver the product to your office or your place and they will finish the custom clearance on behalf of you however you will have to provide supporting information or document, usually the PI, when necessary. You will also pay the fee or tax to the carrier. There are 2 typical fee may occur. One is custom duty upon your cargo value and category. The other is VAT/GST which is Value Added Tax upon on the cargo value and your local VAT rate.
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