CTD Sensor

CTD Sensor

Sensor CTD adalah sensor interchangeable yang bekerja dengan HOBO MX800 Series Water Loggers untuk mengukur conductivity, temperature, dan water level. Dengan sensor ini terpasang pada HOBO MX800 Series Water Logger, logger juga dapat menghitung specific conductance, salinity, dan total dissolved solids (TDS).

Sensor CTD dapat dipasang langsung pada model MX801 yang fully submersible, atau dipasang melalui kabel pada model direct read MX802, yang tidak memerlukan pencabutan sensor dari air untuk melakukan download data.

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Features

  • 4-electrode conductivity sensor memiliki rentang pengukuran yang luas untuk memantau air tawar atau air asin.
  • Conductivity sensor terletak di bagian tengah untuk meminimalkan efek dari stilling wells atau protective guards.
  • Ceramic water level sensor yang tahan lama, terletak di ujung sensor untuk pengukuran ketinggian air dangkal yang akurat.
  • Dapatkan ketinggian air secara langsung dengan MX802, tidak perlu post-processing.
  • Diameter 1 inci untuk digunakan di sumur sempit (dengan kabel ke MX802 di atas sumur).
  • Penempatan temperature sensor di dekat ujung sensor untuk waktu respons yang cepat.
  • Baja tahan karat yang dirawat secara khusus mampu bertahan di air asin.

Specifications

  • Conductivity Measurements: Measurement Range: Electrical conductivity and specific conductance: 0 to 100,000 µS/cm Salinity menggunakan 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 mana pun yang lebih besar Salinity: +/-2% of reading or 0.1 PSU, mana pun yang lebih besar
  • Resolution: Conductivity: 0.1 µS/cm dari 0 hingga 1,000 µS/cm 1 µS/cm dari 1,000 hingga 10,000 µS/cm 10 µS/cm dari 10,000 hingga 100,000 µS/cm TDS: 0.1 mg/L Salinity: 0.01 PSU
  • Response Time: 1 second to 90% pada suhu stabil
  • Absolute Pressure and Water Level Measurements W-CTD-01: Range: 0 to 207 kPa (0 to 30 psia); kira-kira 0 to 9 m (0 to 30 ft) kedalaman air di sea level, atau 0 to 12 m (0 to 40 ft) kedalaman air pada 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) kedalaman
  • Water Level Accuracy*: Typical error: ±0.05% FS, 0.5 cm (0.015 ft) air Maximum error: ±0.1% FS, 1.0 cm (0.03 ft) air
  • Raw Pressure Accuracy:** ±0.3% FS, 0.62 kPa (0.09 psi) kesalahan maksimum
  • Resolution: <0.02 kPa (0.003 psi), 0.21 cm (0.007 ft) air
  • Pressure Response Time:** <1 second to 90% pada suhu stabil
  • Absolute Pressure and Water Level Measurements W-CTD-02: Range: 0 to 400 kPa (0 to 58 psia); kira-kira 0 to 30.6 m (0 to 100 ft) kedalaman air di sea level, or 0 to 33.6 m (0 to 111 ft) kedalaman air pada 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) kedalaman
  • Water Level Accuracy*: Typical error: ±0.05% FS, 1.5 cm (0.05 ft) air Maximum error: ±0.1% FS, 3.0 cm (0.1 ft) air
  • Raw Pressure Accuracy:** ±0.3% FS, 1.20 kPa (0.17 psi) kesalahan maksimum
  • Resolution: <0.04 kPa (0.006 psi), 0.41 cm (0.013 ft) air
  • Pressure Response Time:** <1 second to 90% pada suhu stabil
  • Absolute Pressure and Water Level Measurements W-CTD-03: Range: 0 to 850 kPa (0 to 123.3 psia); kira-kira 0 to 76.5 m (0 to 251 ft) kedalaman air di sea level, atau 0 to 79.5 m (0 to 262 ft) kedalaman air pada 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) kedalaman
  • Water Level Accuracy*: Typical error: ±0.05% FS, 3.8 cm (0.125 ft) air Maximum error: ±0.1% FS, 7.6 cm (0.25 ft) air
  • Raw Pressure Accuracy:** ±0.3% FS, 2.55 kPa (0.37 psi) kesalahan maksimum
  • Resolution: <0.085 kPa (0.012 psi), 0.87 cm (0.028 ft) air
  • Pressure Response Time:** <1 second to 90% pada suhu stabil
  • Absolute Pressure and Water Level Measurements W-CTD-04: Range: 0 to 145 kPa (0 to 21 psia); kira-kira 0 to 4 m (0 to 13 ft) kedalaman air di sea level, or 0 to 7 m (0 to 23 ft) kedalaman air pada 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) kedalaman
  • Water Level Accuracy*: Typical error: ±0.075% FS, 0.3 cm (0.01 ft) air Maximum error: : ±0.15% FS, 0.6 cm (0.02 ft) air
  • Raw Pressure Accuracy:** ±0.3% FS, 0.43 kPa (0.063 psi) kesalahan maksimum
  • Resolution: <0.014 kPa (0.002 psi), 0.14 cm (0.005 ft) air
  • Pressure Response Time:** <1 second to 90% pada suhu stabil
  • Temperature Measurements (All Models): Range: -20° to 50°C (-40° to 122°F), non-freezing water
  • Accuracy: ±0.15°C (±0.27°F) dari 0° to 50°C (32° to 122°F)
  • Resolution: 0.01°C pada 25°C (0.018°F pada 77°F)
  • Response Time: 3 minutes to 90% di air (tipikal)
  • Drift: <0.1°C (0.18°F) per tahun
  • Sensor: Dimensions: Diameter 2.5 cm (1 inci), panjang 18.7 cm (7.37 inci)
  • Weight: 177g 6.24 oz
  • Wetted Materials: Passivated 316 Stainless steel housing rated for use in saltwater, Viton and Buna-N O-rings, PET sensor connector Depth sensor: keramik Conductivity sensor: PET, platinum plating on electrodes Catatan: Sensor harus dipasang agar tidak in contact with other metals
  • Environmental Rating: IP68; Tahan air hingga pressure sensor burst pressure rating