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X2-SDL Submersible Data Logger Quick Start Guide
The NexSens X2-SDL Submersible Data Logger is a rugged, self-powered remote data
logging system for deploying environmental sensors in lakes, streams, rivers, wetlands,
coastal waters, sewers, and culverts without fear of accidental flooding.
The system is configured with three sensor ports for connection to industry-standard
digital interfaces including RS-232, RS-485 and SDI-12. Power comes from (16) internal
D-cell alkaline batteries.
Unlike many data loggers, the X2-SDL is truly submersible. The housing and battery
compartment are completely sealed and waterproof.
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Summary of Contents for NexSens X2-SDL
- Page 1 The system is configured with three sensor ports for connection to industry-standard digital interfaces including RS-232, RS-485 and SDI-12. Power comes from (16) internal D-cell alkaline batteries. Unlike many data loggers, the X2-SDL is truly submersible. The housing and battery compartment are completely sealed and waterproof.
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Page 2: Table Of Contents
Table of Contents Introduction Unboxing Apply Power Configure System Telemetry Connect Sensors Sensor Auto-detection WQData LIVE Overview WQData LIVE Setup Configure Logger Settings Generate Data Reports Technical Information... -
Page 3: Unboxing
Unboxing What’s included: • X2-SDL • (1) impact-resistant PVC housing • (2) elastomer bumpers • Internal circuit boards and communication modules • Pre-installed Antenna (for all but base Wi-Fi models) • Maintenance kit • Spare UW-plugs, 116EDM O-rings, O-ring Grease •... -
Page 4: Apply Power
The battery lid is designed to be watertight at depths to 200 feet. Tight O-ring seals are required to maintain this pressure rating and may make lid removal difficult. The lid removal tool (3/16” handled Allen wrench) supplied in the X2-SDL maintenance kit can be used for additional leverage when unthreading the battery lid from the communication bulkhead. - Page 5 Apply Power Installing batteries Once the lid has been removed, the batteries can be installed. Note: Listen for a single audible beep to indicate the system has properly powered up.
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Page 6: Configure System Telemetry
Direct Connect –Establish permanent wireless data transmission for standard X2-SDLs. Wireless Network Setup process Cellular- a 4G Compliant Mini-SIM card is required for installation on cellular models of the X2-SDL. Factory-installation is recommended, but user installation is possible. SIM Installation process Configure Network APN Iridium- Factory-installed Iridium satellite modems allow for communication in the most remote deployment locations. -
Page 7: Connect Sensors
Connect Sensors All sensors connected to an X2-SDL must have a NexSens factory installed UW plug connector. Refer to the NexSens sensor listing at https://www.nexsens.com/support/product-manuals to verify if special setup is required prior to integration with an X2-SDL. Connect all desired sensors to the X2-SDL via any combination of the three available sensor ports after removing the pre-installed blank plugs. -
Page 8: Sensor Auto-Detection
Sensor Auto-Detection Following the configuration of the logger telemetry (if required) and the connection of all sensors to the X2-SDL, disconnect and re-apply power to the X2-SDL. Following the power-up beep, the logger will automatically begin to scan through a list of common sensors to build the deployment sensor list. Sensors discovered during this process will automatically be updated on WQData LIVE via the X2’s on-board telemetry. -
Page 9: Wqdata Live Overview
WQData LIVE Overview WQData LIVE is a Cloud Data Center used in conjunction with the X2 data logger line for the following functionality: Data Collection- automatic X2 data upload to the web Data Export Remote System Configuration... -
Page 10: Wqdata Live Setup
The guide covers the three main prerequisites for setting up the Data Center -Creating a free WQData LIVE account -Creating a new project on the WQData LIVE Datacenter -Using the Claim Code provided with each X2-SDL to add the logger profile to the project... - Page 11 Once the logger has been claimed into the project and it is visible on WQData LIVE, check the ‘Last Contact’ time located in the lower right corner of the Project Dashboard page. The last successful data transmission from the X2-SDL is denoted by this parameter.
- Page 12 Customize Logger Settings Adjustments to the X2-SDL such as those listed below can be made remotely from the Remote Device Configuration Menu on WQData LIVE. -Change Data Upload/Transmit Frequency -Change Individual Sensor Logging Intervals -Set offsets for parameters -Queue additional Sensor Detections if new instrumentation has been connected to the system...
- Page 13 Generate/Review Reports CSV or PDF Reports can be manually generated, or configured to send automatically on a user-defined schedule from WQData LIVE. Information on the Report tool for the WQData LIVE datacenter can be found here.
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Page 14: Technical Information
Technical Information Material: PVC body with Acetal battery lid Weight: 12.0 lbs. without batteries; 16.6 lbs. with batteries Dimensions: 5.5” (13.97 cm) diameter; 17.3” (43.94 cm) length (antenna length varies by model) Power Requirements: 5-24 VDC +/-15% (Reverse polarity protected) Current Draw (Typical @ 12VDC): Low power sleep: 200uA;...
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