Set SDI-12 for Continuous Measurements

    Certain SDI-12 sensors require the use of the Continuous Measurements (aR0! … aR9!) command. In order to get the iSIC to operate in this mode, a flag must be set in the iSIC. 1. Enable the iSIC Command Tab in Advanced | iSIC | iSIC by following the steps in the below link http://www.nexsens.com/knowledge-base/software/ichart/enable-isic-command-tab.htm 2. Within […]

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    Check Continuity of an RF Cable

    Use a multimeter to determine if there is a short or other issue affecting continuity within an RF Cable: 1. Set the meter to the resistance setting with the best resolution. On many meters, this will be the 200 ohm setting.   2. To determine if there is any internal resistance in the meter, cross […]

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    Install Software Driver For UW-Plug to USB Adapter

    In certain instances, it may become necessary to manually install the software driver for a NexSens UW-Plug to USB Adapter. 1. Download the correct software driver from the Future Technology Devices International company website: http://www.ftdichip.com/Drivers/VCP.htm     2. If a 32-bit operating system is being used, click the link for that version of the driver. […]

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    Switch WXT520 From SDI-12 to RS-232 ASCII Mode

    In order for a WXT520 to work with NexSens’ WeatherVIC software, it needs to communicate in RS-232 ASCII mode. 1)      Connect the WXT520 to a PC COM port. 2)      Open HyperTerminal set to 1200 baud, even parity, 7 data bit, 1 stop bit. 3)      Note that all text entered on the HyperTerminal is not displayed. […]

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    Putting Lufft Into Low Power Mode via SDI-12

    The Lufft line of weather sensors can be put in low power mode using the SDI-12 protocol through iChart software. 1. Open iChart with the current project. 2. Right-click on the Lufft sensor in the Navigation Panel. 3. Select Property. The Smart Sensor Properties window will appear.     4. Record the number in the “SDI-12 Address” box. […]

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    AccuStage Reads -99999.992

    A level value of -99999.992m or 328079.974ft is an indicator of no communication between the iSIC data logger and the AccuStage water level sensor. It is possible to resolve this issue. 1. Refer to the AccuStage Manual for wiring and pin numbers. 2. Ensure all wires are in the correct locations according to “Figure 3” in the […]

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    Removing an iSIC from a Mast

    If an iSIC datalogger needs servicing, it is best to detach it from the mounting apparatus and ship the datalogger by itself. The mounting plate is designed to simplify data logger installation and removal. 1. Gather the following tools: #3 Phillips head screwdriver 5/32″ allen wrench large adjustable wrench 3 mm tip slotted screwdriver 2. […]

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    Removing a Solar Regulator

    1. Gather the following tools: small Phillips head screwdriver small flathead screwdriver adjustable wrench. 2. Open the black junction box on the solar panel by using the small Phillips head screwdriver to remove the cover plate.   3. Disconnect the regulator from the solar panel by loosening the pins connecting the Red, Black, and Yellow wires. […]

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    Reinstallling a Solar Regulator

    1. Gather the following tools: small Phillips head screwdriver small flathead screwdriver adjustable wrench. 2. Open the black junction box on the solar panel by using the small Phillips head screwdriver to remove the cover plate.   3. Insert the regulator through the hole in the black box of the solar panel and tighten down […]

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    Securing an iSIC-OEM to a Mounting Pole

    Nexsens provides different options for mounting junction boxes in the field. Mounting ears are provided with all A50 and A50-S junction boxes. These ears can be used for wall or pole mounting. 1. Find the diameter of the pole which will be used and determine the corresponding U-bolt size necessary for mounting. U-bolts can be […]

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