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    HOBO CTD Sensor for MX800 series

    €1.503,-
    • Including 21% Tax: €1.503,-
    • Excluding VAT: €1.242,15
    0 In stock: 3-6 Weeks
    A Conductivity/Temperature/Depth sensor for use with HOBO MX800 Series Water Loggers with sensor options available for 13, 30, 100 or 250 feet in a wide range of underwater environments; for use in freshwater or saltwater.... Show more
    • Free shipping in the Netherlands from € 35, -
    • Ordered before 5 p.m. on working days? Shipped the same day!
    • 14-day money back guarantee
    • We are happy to think along!

    Product description

    The CTD sensor is an interchangeable sensor that works with HOBO MX800 Series Water Loggers to measure conductivity, temperature, and water level. With this sensor attached to a HOBO MX800 Series Water Logger, the logger can also calculate specific conductance, salinity, and total dissolved solids (TDS).

    The CTD sensor can be attached directly to the fully submersible MX801 model, or attached via cable to the direct read MX802 model, which doesn’t require having to pull the sensor out of the water to download data.

    Features
    • 4-electrode conductivity sensor provides wide measurement range for monitoring freshwater or saltwater
    • Conductivity sensor is centrally located to minimize effects from stilling wells or protective guards
    • Durable ceramic water level sensor, located in the sensor tip for accurate measurement of shallow water levels
    • Get water level directly with the MX802, no need for post-processing
    • 1” diameter for use in narrow wells (with cable to MX802 above the well)
    • Temperature sensor placement near the sensor tip for fast response time
    • Specially treated stainless steel holds up in saltwater

    Please note:

    Requires a HOBO MX801 or MX802 Data Logger, the HOBOconnect app, and a compatible mobile device or Windows computer. System requirements for the app can be found at the bottom of the HOBOconnect software page.

    Specifications HOBO CTD Sensor for MX800 series
     
    Conductivity Measurements
    Measurement Range
    Electrical conductivity and specific conductance: 0 to 100,000 µS/cm
     
    Salinity using PSS-78: 2 to 42 PSU
     
    Total Dissolved Solids (TDS): 0 to 100,000 mg/L
    Calibrated Range
    Electrical conductivity: 50 to 80,000 µS/cm
    5° to 35°C
     41° to 95°F
    Accuracy
    Conductivity: +/-2% or 15 µS/cm whichever is greater
    Salinity: +/-2% of reading or 0.1 PSU, whichever is greater
    Resolution
    Conductivity:
    0.1 µS/cm from 0 to 1,000 µS/cm
    1 µS/cm from 1,000 to 10,000 µS/cm
    10 µS/cm from 10,000 to 100,000 µS/cm
    TDS: 0.1 mg/L
    Salinity: 0.01 PSU
    Response Time
    1 second to 90% at a stable temperature
    Absolute Pressure and Water Level Measurements W-CTD-01
    Range
    0 to 207 kPa (0 to 30 psia); approximately 0 to 9 m (0 to 30 ft) of water depth at sea level, or 0 to 12 m (0 to 40 ft) of water at 3,000 m (10,000 ft) of altitude
    Factory Calibrated Range
    69 to 207 kPa (10 to 30 psia), 0° to 40°C (32° to 104°F)
    Burst Pressure
    310 kPa (45 psia) or 18 m (60 ft) depth
    Water Level Accuracy*
    Typical error: ±0.05% FS, 0.5 cm (0.015 ft) water
    Maximum error: ±0.1% FS, 1.0 cm (0.03 ft) water
    Raw Pressure Accuracy**
    ±0.3% FS, 0.62 kPa (0.09 psi) maximum error
    Resolution
    <0.02 kPa (0.003 psi), 0.21 cm (0.007 ft) water
    Pressure Response Time***
    <1 second to 90% at a stable temperature
    Absolute Pressure and Water Level Measurements W-CTD-02
    Range
    0 to 400 kPa (0 to 58 psia); approximately 0 to 30.6 m (0 to 100 ft) of water depth at sea level, or 0 to 33.6 m (0 to 111 ft) of water at 3,000 m (10,000 ft) of altitude
    Factory Calibrated Range
    69 to 400 kPa (10 to 58 psia), 0° to 40°C (32° to 104°F)
    Burst Pressure
    500 kPa (72.5 psia) or 40.8 m (134 ft) depth
    Water Level Accuracy*
    Typical error: ±0.05% FS, 1.5 cm (0.05 ft) water
    Maximum error: ±0.1% FS, 3.0 cm (0.1 ft) water
    Raw Pressure Accuracy**
    ±0.3% FS, 1.20 kPa (0.17 psi) maximum error
    Resolution
    <0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) water
    Pressure Response Time***
    <1 second to 90% at a stable temperature
    Absolute Pressure and Water Level Measurements W-CTD-03
    Range
    0 to 850 kPa (0 to 123.3 psia); approximately 0 to 76.5 m (0 to 251 ft) of water depth at sea level, or 0 to 79.5 m (0 to 262 ft) of water at 3,000 m (10,000 ft) of altitude
    Factory Calibrated Range
    69 to 850 kPa (10 to 123.3 psia), 0° to 40°C (32° to 104°F)
    Burst Pressure
    1,200 kPa (174 psia) or 112 m (368 ft) depth
    Water Level Accuracy*
    Typical error: ±0.05% FS, 3.8 cm (0.125 ft) water
    Maximum error: ±0.1% FS, 7.6 cm (0.25 ft) water
    Raw Pressure Accuracy**
    ±0.3% FS, 2.55 kPa (0.37 psi) maximum error
    Resolution
    <0.085 kPa (0.012 psi), 0.87 cm (0.028 ft) water
    Pressure Response Time***
    <1 second to 90% at a stable temperature
    Absolute Pressure and Water Level Measurements W-CTD-04
    Range
    0 to 145 kPa (0 to 21 psia); approximately 0 to 4 m (0 to 13 ft) of water depth at sea level, or 0 to 7 m (0 to 23 ft) of water at 3,000 m (10,000 ft) of altitude
    Factory Calibrated Range
    69 to 145 kPa (10 to 21 psia), 0° to 40°C (32° to 104°F)
    Burst Pressure
    310 kPa (45 psia) or 18 m (60 ft) depth
    Water Level Accuracy*
    Typical error: ±0.075% FS, 0.3 cm (0.01 ft) water
    Maximum error: : ±0.15% FS, 0.6 cm (0.02 ft) water
    Raw Pressure Accuracy**
    ±0.3% FS, 0.43 kPa (0.063 psi) maximum error
    Resolution
    <0.014 kPa (0.002 psi), 0.14 cm (0.005 ft) water
    Pressure Response Time***
    <1 second to 90% at a stable temperature
    Temperature Measurements (All Models)
    Range
    -20° to 50°C (-40° to 122°F), non-freezing water
    Accuracy
    ±0.15°C (±0.27°F) from 0° to 50°C (32° to 122°F)
    Resolution
    0.01°C at 25°C (0.018°F at 77°F)
    Response Time
    3 minutes to 90% in water (typical)
    Drift
    <0.1°C (0.18°F) per year
    Sensor
    Dimensions
    2.5 cm (1 inch) diameter, 15 cm (6 inches) length
    Weight
    Approximately xx g (xx oz) in air; approximately xx g (xx oz) in saltwater
    Wetted Materials
    Passivated 316 Stainless steel housing rated for use in saltwater, Viton and Buna-N O-rings, PET sensor connector
    Depth sensor: ceramic
    Conductivity sensor: PET, platinum plating on electrodes
    Note: Sensor should be mounted so that it is not in contact with other metals
    Environmental Rating
    IP68; Waterproof to pressure sensor burst pressure rating

    Specifications

    Article number
    W-CTD-01

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