Sequoia Scientific, Inc. is a GSA contract holder.
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| BIOBLOCK - a mechanical anti-fouling accessory for the LISST-100X and LISST-25X. Sliding copper shutters in front of the windows limit fouling to a minimum. BIOBLOCK is controlled by the LISST-100X or LISST-25X to open before a measurement takes place and close again after the measurement.
Get a quote for BioBlock!
US Government Employee? The BioBlock (part # SS-BIOBLOCK-100-US or SS-BIOBLOCK-25-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Here the BIOBLOCK is seen installed on a LISST-100X (to the left) and a LISST-25X. |
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| LISST-100X/-STX/ Alkaline Battery Pack - a replacement battery for the LISST-100X /LISST-STX with 18 alkaline batteries assembled into a custom battery pack to provide the +9 and -9V required.The battery pack is not rechargeable.
NOTE: The LISST-100X / -STX battery pack CANNOT be used with the LISST-100/-ST instruments.
One installed and one spare battery is included with all new LISST-100X and LISST-STX instruments. One installed battery is included with a LISST-HOLO External Battery Pack.
Get a quote for a LISST-100X battery!
US Government Employee? The LISST-100X/-STX/-HOLO replacement battery (part # SS-L100X-BAT-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how. |
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| The photographer is on the way! | | LISST-HOLO Battery pack - a replacement battery for the LISST-HOLO.
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| Optical Path Reduction Modules
The Optical Path Reduction Modules (PRM) are used with the LISST-100/-100X and LISST-STX to reduce the optical path in the field without the need for permanent optical path reductions. The bolt-on PRMs are available to reduce the optical path by 50%, 80%, and 90%.
Please read this article on how to adjust your LISST data when using a PRM.
Please be aware that you need a Large Volume Test Chamber for zscat (background) measurements when you are using a PRM. See below for more information on the Large Volume Test Chamber. |
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| 50% PRM
Get a quote for a 50% PRM!
US Government Employee? The 50% PRM (Part # SS-L100-PRM-50%-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| 80% PRM
NOTE: 80% PRM is NOT available for the LISST-STX.
Get a quote for an 80% PRM!
US Government Employee? The 80% PRM (Part # SS-L100-PRM-80%-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| 90% PRM
NOTE: 90% PRM is NOT available for the LISST-STX.
Get a quote for a 90% PRM!
US Government Employee? The 90% PRM (Part # SS-L100-PRM-90%-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| LISST-100X/LISST-STX External AC Power Supply
External AC power supply for powering LISST-100X and LISST-STX in the laboratory. International power compatible.
One power supply is included with all new LISST-100X and LISST-STX instruments.
Get a quote for an external power supply!
US Government Employee? The LISST-100X/-STX external AC power supply (part # SS-L100X-ACPWR-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Full Path Mixing Chamber
The Full path mixing chamber is installed on to the optics of a standard path (5cm) LISST-100 or -100X. The chamber has a volume of approximately. 100ml with built in magnetically coupled mixer and drain. Adjustable speed controller and power supply provided. The Mixing Chamber allows the submersible LISST-100/-100X to also be used as a laboratory particle size analyzer.
Part # SS-L100-CHAMBER-FP-US.
Get a quote for a full path mixing chamber!
US Government Employee? The full path mixing chamber (part # SS-L100-CHAMBER-FP-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Full Path Flow Through Chamber
The Full Path Flow Though Chamber is installed on to the optics of the standard path (5cm) LISST-100 or -100X. The chamber allows a sample to be pumped through the chamber. When combined with a pump and stirred sample container the Full Path Flow Through Chamber allows the submersible LISST-100/-100X to be used as a laboratory particle size analyzer.
Get a quote for a full path flow through chamber!
US Government Employee? The full path flow through chamber (part # SS-L100-CHAMBER-FP-FLOW-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Small Volume Flow Through Chamber for LISST-100X
The Small Volume Flow Through Chamber reduces the optical path length to 1 cm for higher maximum concentrations. It is optimized for pumped flow through applications and it seals on optics of standard 5 cm path instruments only. When combined with a pump and stirred sample container the Small Volume Flow Through Chamber allows the submersible LISST-100/-100X to be used as a laboratory particle size analyzer.
Get a quote for a small volume flow through chamber!
Read the installation instructions!
US Government Employee? The small volume flow through chamber (part # SS-L100-CHAMBER-FLOW-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| | LISST-100X Replacement Zscat Chamber
Used for doing background scatter measurement (zscat) before deployment.
One chamber is included with all new LISST-100X instruments. A similar chamber is included with all new LISST-HOLO instruments.
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| Integrated Power and Communications Cables
Integrated Power and Communications cables are available for the LISST-100 / -100X / -ST / -STX in lengths of 20, 30 and 50 meters. The yellow jacketed cable has a breaking strength of 1000 pounds. The standard underwater connectors for communications and power are molded to the cable.
Get a quote for an integrated power and communication cable!
US Government Employee? The cables (part # SS-L100X-CABLE-20M-US, SS-L100X-CABLE-30M-US or SS-L100X-CABLE-50M-US) are available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Replacement 2-meter Communications Cable
Two meter communications cable with 5-pin underwater connector and DB-9 Serial Port connector for the LISST-100X / -STX and the LISST-Deep. Also used for powering (but not communicating with) the LISST-HOLO with external power (110/220 VAC).
One cable is included with all new LISST-100X, LISST-STX, LISST-Deep, and LISST-HOLO instruments.
Get a quote for a replacement cable!
US Government Employee? The 2-m cable (part # SS-L100X-Cable-pwr-2m) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| High Performance Conductivity and Temperature Sensor Modification
High Precision Conductivity and Temperature can be added to the LISST-100X by adding a SeaBird SBE-37SI sensor to the instrument. This requires a SeaBird SBE-37SI sensor (to be purchased separately) AND a new LISST-100X connector endcap. The integrated sensor provides high precision conductivity and temperature for each size distribution. The values are stored in the standard LISST-100X data file. High performance depth sensor can also be added to the SBE-37SI. The SBE-37SI is *NOT* included in the price for the custom connector endcap.
US Government Employee? The replacement LISST-100X connector endcap for CT integration (part # SS-L100X-CT-INT) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Replacement Large volume test chamber
Replacement large chamber that was provided standard with the LISST-100 and currently is provided as standard with the LISST-25/-25X. Has O-ring seal that allows the optics end of the instrument to be submerged while the instrument is horizontal on the bench. Available for both the LISST-100/-100X and LISST-25/-25X. |
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| Large Volume Test Chamber for LISST-100/-100X
Horizontal acrylic chamber with O-ring and drain valve. Ideal for doing background measurements (zscats) with an optical path reduction module in place.
Get a quote!
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| Large Volume Test Chamber for LISST-25/-25X.
Horizontal acrylic chamber with O-ring and drain valve.
Get a quote!
US Government Employee? The LISST-25X test chamber (part # SS-L25-CHAMBER-LG-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Custom Optical paths
Custom optical paths are available for both the LISST-100X and LISST-25X. Custom paths that have been done include 25 mm, 10 mm, 5 mm, and 3 mm. The picture shows a LISST-100X with a 10 mm optical path.
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| Clamps
Clamps for easy mounting of the LISST-100, LISST-100X, LISST-Deep, LISST-STX, or the LISST-HOLO and their external battery pack housings to a frame or simply to a wire for stand-alone profiling. |
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| One-piece clamp
Get a quote!
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| Two-piece clamp.
Two sets of clamps are included with all new LISST-100X, LISST-STX, LISST-HOLO and LISST-Deep instruments.
Get a quote!
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| | | Replacement Instrument Stands
One pair of stands ships as standard with all new LISST-100X, LISST-Deep, LISST-STX, and LISST-HOLO instruments.
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 | | Replacement instrument stands for the LISST-100X, LISST-Deep, and LISST-HOLO. One pair of stands ships as standard with a new instrument.
Can also be used for mounting the instrument in the field.
Get a quote!
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The photographer is on the way!!
| | Replacement Instrument stands for the LISST-STX. One pair of stands ships as standard with a new LISST-STX instruments.
Can also be used for mounting the instrument in the field. | |
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| | LISST-Pump for LISST-StreamSide and LISST-Infinite
The LISST-Pump is a 12 V stainless submersible Mini-Monsoon® well pump that comes with a custom pump controller box for easy integration with the LISST-StreamSide or LISST-Infinite. The pump controller box allows the LISST-StreamSide and LISST-Infinite firmware to control the pump. It also allows the user to select between 3 pump speeds (2.5, 5 and 10 A). The exact speed setting is to be determined in the field once the vertical and horizontal distance from the pump to the instrument is known. Flow speed in the tube must be kept above 0.6 m/s (2 ft/s) to prevent settling of particles.
US Government Employee? The LISST-Pump (part # SS-LISST-STREAMSIDE-PUMP-V3-US) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how.
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| Custom LISST-100X with short pressure housing.
This version has no room for a battery pack and is designed to be powered externally or via a secondary (external) battery pack.
Get more information!
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| Custom LISST-100X with folded pressure housing.
This design is made to fit on a Chelsea Tow Body.
Get more information!
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| Frames and Cages for LISST deployment
Sequoia does not manufacture or sell frames or cages for the LISST instruments. However, numerous other companies can build custom frames for your LISST for any type of deployment - profiling, mooring, towing etc. For example, the frames on the left were built for a LISST-100X by Mooring Systems, Inc. in Cataumet, MA.
Contact Mooring Systems if you need a frame or cage for any of your LISST instruments.
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 | | LISST-100X External Battery Pack
External Battery Pack for LISST-100X. Anodized aluminum housing for external battery pack with underwater connectors and cables for mating with LISST-100X. Includes two battery packs installed. For long-term deployments, or for powering a BioBlock for extended duration deployments.
US Government Employee? The LISST-100X External Battery Pack (part # SS-L100X-EXT-BAT) is available for purchase on Sequoia's GSA contract # GS-07F-0334U. Contact your purchaser to enquire how. | |
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Updated 01/11/2013
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