• SQ2040 WiFi

    High performance data loggers for demanding applications

    High performance wireless data loggers for demanding applications

    • Fully configurable via the integrated keypad – New!
    • 128*97 dot graphical LCD display -New!
    • Compatible with B, C, D type thermocouples -New!
    • Integral Wi-Fi Ethernet networking
    • High precision (0.05%)
    • Advanced data management, to MMC/SD or PC
    • Flexible communications (USB, Ethernet, RS232)
    • High speed option (100Hz on 4 channels)
    • Various Remote connection options e.g. via Ethernet or dial up modem

    The Squirrel SQ2040 Wi-Fi series combines a high channel, high performance, universal inputs with the simplicity of Wi-Fi networking in a compact and portable instrument.

    Using multiple 24-bit analogue to digital convertors, twin processors and removable memory and Wi-Fi networking the SQ2040 Wi-Fi provides great flexibility to handle a wide range of complex and demanding multi-channel applications. The Squirrel SQ2040 Wi-Fi series is ideal for industrial, scientific research and quality assurance applications. The SQ2040 Wi-FI provides standalone data acquisition, advanced networked solutions and data analysis straight out-of-the-box.

    Key features

    • 16 true differential or 32 single ended universal analogue inputs for voltage, current or resistance measurements plus 2 high voltages, 4 pulse and 8 digital event/state inputs
    • Analogue inputs can be used with thermistors, thermocouples, 2,3 or 4 wire RTD temperature sensors and 4 – 20mA signals
    • User selectable logging rates of up to 100Hz on up to four channels
    • Standard (802.11b) wireless (Wi-Fi) Ethernet networking, USB and RS232 communication ports
    • Large non-volatile internal memory storage for up to 14 million readings
    • Download of internal data to removable MMC/SD (Multi Media Card / Secure Digital) memory card
    • Sensor power and FET outputs for use with external devices
    • Easy to read LCD and simple 4 button user interface
    • Calculated channels derived from real channels using advanced mathematical functions e.g. log(x); ln(x); sqrt(x)

    Analogue inputs supported

    • Thermistors
    • Thermocouples
    • Pt100/Pt1000 (maximum of eight 3- or 4-wire Pt100/1000 sensors – model 4F16 only)
    • Voltage
    • Current
    • Resistance

    The Squirrel 2040 series comprises two models:

    Squirrel 2040-2F16

    • Up to 100 readings per second on 2 channels
    • Two 24-bit A to D converters
    • In built Ethernet connectivity

    Squirrel 2040-4F16 (high speed model)

    • Up to 100 readings per second on 4 channels
    • Four 24-bit A to D converters
    • 4 pulse rate / counter inputs (2 at up to 64kHz, 2 at up to 100Hz)
    • In built Ethernet connectivity




    Analogue input channels 16 to 32 16 to 32
    High voltage channels 2 2
    Digital channels 8 8
    Counter channels 4 4
    Input types:
    – current
    – voltage
    – resistance 2-wire 2-, 3- or 4-wire
    – 3 or 4 wire Pt100/Pt1000 x 8
    – temperature
    Max no. readings per second 100 (on 2 channels) 100 (on 4 channels)
    Accuracy 0.05% 0.05%
    Display 128 x 64 dot matrix LCD 128 x 64 dot matrix LCD
    Memory capacity 14 million readings 14 million readings
    External memory (MMC/SD card)
    RS232 communications
    USB communications
    Wi-Fi option**
    Alarm outputs 4 4
    Sensor power output regulated 5VDC@50 mA and external supply voltage up to 28V on 2010 and 18V on all others @100mA regulated 5VDC@50 mA and external supply voltage up to 28V on 2010 and 18V on all others @100mA
    Set-up/analysis software SquirelView/SquirrelView Plus SquirelView/SquirrelView Plus
    Environment – 30 to 65°C RH up to 95% (non-condensing) – 30 to 65°C RH up to 95% (non-condensing)


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