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    INW’s AquiStar® PT2X Cable-Less sensor is a small, self contained pressure and temperature logger that is submerged in a well or other location and records changes in water level and temperature. It is ideal for observing flow patterns, pumping or "slug" tests, and for monitoring groundwater, wells, tanks, tidal levels and any liquid that changes level.

    The PT2X is easily configured for the interval between readings, start and stop time, and units of measure before immersion using a Windows based PC and the Communications Kit.

    Cable-Less sensors can be installed and function autonomously without connecting wires or cables. They must be removed from the installation to be downloaded or re-configured. PT2X Cable-Less sensors are only available Non-Vented (Absolute). A separate barometer for the site should be considered for long term logging with Absolute sensors.

    Select the PT2X sensors for your project from the list below based on maximum submergence. Note: 1 psi= 2.3-ft of water column height.

    One Communication Kit is required for any number of sensors.

    *The PT2X is also available in a Cabled version separately.

    Sensor Features

    • 0.75-inch x 12-inch, 316 stainless steel probe. (Titanium probe available)
    • Measures pressure, temperature, and time
    • Thermally compensated—great where water temperatures vary, such as in streams or industrial tank applications
    • ± 0.05% FSO typical accuracy
    • Low power—2 internal AA batteries
    • Available for both Modbus® and SDI-12 protocols

    Datalogger Features (Datalogger is Built Into the Sensor Housing)

    • Available in 130,000-record, 260,000-record, and 520,000-record versions
    • Non-volatile memory—your data will not be lost in the event of a power failure
    • Flexible, multi-phase logging sequences—measure at your specified intervals and save instructions to disk for reuse
    • Pause logging feature—temporarily pause the logging while repositioning or transporting sensor
    • Delayed start feature—state a specific future start time, making it easy to set several sensors to start at the same time


    Item # Description/Size Availability Qty Break Price Quantity
    WLL221-020
    Aquistar PT2X Pressure/Temp Logger Cable Free, Absolute (non-vented)-20 PSIA
    In Stock 1 $793.00
    WLL221-030
    Aquistar PT2X Pressure/Temp Logger Cable Free, Absolute (non-vented)-30 PSIA
    In Stock 1 $874.60
    WLL221-050
    Aquistar PT2X Pressure/Temp Logger Cable Free, Absolute (non-vented)-50 PSIA
    In Stock 1 $874.60
    WLL221-100
    Aquistar PT2X Pressure/Temp Logger Cable Free, Absolute (non-vented)-100 PSIA
    In Stock 1 $874.60
    WLL205
    Aquistar Barometer, PT2X Compatible.
    In Stock 1 $771.10
    WDC156
    Aquistar Communications Kit: USB (for Smart Sensors-includes adapter 6' communication cable Aqua4Plus software media kit)
    In Stock 1 $320.40