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	<title>Survey Accessories &#8211; Specialty Devices Inc.</title>
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	<title>Survey Accessories &#8211; Specialty Devices Inc.</title>
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		<title>Bathycase</title>
		<link>https://specialtydevices.com/product/bathymetric-survey-system/</link>
		
		<dc:creator><![CDATA[specialtydevice5]]></dc:creator>
		<pubDate>Fri, 31 Jan 2020 21:50:10 +0000</pubDate>
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					<description><![CDATA[The BATHYCASE – 200JS is a highly-transportable hydrographic survey system designed specifically for installation in autonomous vehicles or Jet Skis or other in small manned vehicles in applications where operation in very shallow water is required. BATHYCASE – 200JS is a simple-to-operate, full survey- grade depth sounder that digitizes the echo to 16-bit resolution and stores the full digital record and provides playback with high resolution and detail.

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		<post-id xmlns="com-wordpress:feed-additions:1">2332</post-id>	</item>
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		<title>BSS+ Sub Bottom Profiler</title>
		<link>https://specialtydevices.com/product/bss-sub-bottom-profiler/</link>
		
		<dc:creator><![CDATA[specialtydevice5]]></dc:creator>
		<pubDate>Sat, 07 Sep 2019 20:27:07 +0000</pubDate>
				<guid isPermaLink="false">https://specialtydevices.com/index/?post_type=product&#038;p=2403</guid>

					<description><![CDATA[SDI’s BSS+ is ideal for surveying in shallow water, harbors, and waterways and pre- and post-dredge applications.  It is a simple-to-operate, complete hydrographic survey and sub-bottom profiling system contained in a single portable splash proof unit. The system includes an Intelligent Depth Sounder (IDS), a true digital sub-bottom profiling capability, a differential GPS receiver (DGPS), a reference receiver, a navigation computer, a TFT color display, survey software and rapid data playback and review software.  IDS is a full survey grade depth sounder that digitizes the echo to 16-bit resolution and stores the full digital record on hard disk. IDS provides playback with high resolution and detail.

SDI’s hardened computers include armored display windows, marine grade aluminum display housings and non-corrosive impact resistant plastic cases with stainless steel hardware.  Display controls and hinges are o-ring sealed and connectors are waterproof or splash resistant. This computer can be upgraded in the future unlike most laptops.

HYPACK SURVEY, LITE or MAX options.  SDI is a distributor for HYPACK software by Hypack, Inc.

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		<post-id xmlns="com-wordpress:feed-additions:1">2403</post-id>	</item>
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		<title>Survey Craft</title>
		<link>https://specialtydevices.com/product/survey-craft/</link>
		
		<dc:creator><![CDATA[specialtydevice5]]></dc:creator>
		<pubDate>Fri, 06 Sep 2019 19:14:31 +0000</pubDate>
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					<description><![CDATA[<h3><strong><span style="color: #ff0000;">Sorry This Item Is Temporarily Out of Stock.</span></strong></h3>
The DJB-1243 has been specifically designed to serve as a portable shallow-draft work platform for hydrographic surveying, sediment mapping and core sampling of small or shallow water bodies. The DJB is particularly useful for water bodies without launching ramps, as it can be transported in the bed of a pickup truck and hand-carried by two people for assembly at the water’s edge. In the unassembled configuration, the two hull sections stack on built-in stacking points.

The assembled platform will accept small outboard motors and functions as a stable survey craft. Installed mounts are included for a GPS antenna, Beacon antenna, depth transducer and sub-bottom profiling transducer array, <a href="https://specialtydevices.com/product/bss-sub-bottom-profiler/">BSS+</a>, <a href="https://specialtydevices.com/product/surveycase/">SURVEYCASE</a> or <a href="https://specialtydevices.com/product/bathymetric-survey-system/">BATHYCASE</a> survey instruments.

The DJB can serve as a platform for core sampling with SDI’s <a href="https://specialtydevices.com/product/vibecore-d/">VIBECORE</a> coring device. With this DJB-CORE option, the DJB is equipped with three-point mooring equipment, a spud pole shallow-water anchoring system, a derrick with hand winch, and core tube racks for storage of both unused core tube and core samples. The DJB is also equipped with operator seating and reserve flotation and a mounting for the VibeCore control.

Survey Tools from SDI include VibeCore Sampler, Sediment Mapper, SurveyCase, Sidescan Sonar, Waterproof Computers and <a href="https://specialtydevices.com/product/ruggedized-led-displays/">Displays</a>.

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		<title>Barcheck</title>
		<link>https://specialtydevices.com/product/barcheck/</link>
		
		<dc:creator><![CDATA[specialtydevice5]]></dc:creator>
		<pubDate>Mon, 25 Sep 2017 14:52:14 +0000</pubDate>
				<guid isPermaLink="false">https://specialtydevices.com/index/?post_type=product&#038;p=2423</guid>

					<description><![CDATA[The Bar Check is used to calibrate a depth sounder for draft and can also be used for calibrating the speed of sound throughout the water column in survey sites with a maximum water depth of 50 to 75 ft.

The BarCheck is designed for very low drag to minimize offset from the transducer due to water current or boat drift. The BarCheck has a small, low-stretch and low-drag Kevlar line marked with flags in foot or meter increments. The line is attached to an 8” diameter 10‑pound cast zinc disc with a flat top and parabolic bottom. The zinc disc serves as an acoustic target for calibrating the depth sounder and low drag weight to keep the line vertical.

The BarCheck is used to verify the draft setting by lowering the BarCheck a short distance below the transducer and adjusting the draft until the reading matches the BarCheck depth. The BarCheck can then be used to determine the speed of sound of the water column by lowering the bar check through the water column to near the bottom. The depth sounder’s speed-of-sound is adjusted so the indicated depth matches the BarCheck target depth. The BarCheck can be raised at intervals to define any vertical gradient in the water column speed of sound.

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