Cảm biến đo độ dẫn Campbell Scientific CS547A-L

Thương hiệu: Campbell Scientific | Tình trạng: Còn hàng
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Cảm biến đo độ dẫn Campbell Scientific CS547A-L

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Cảm biến đo độ dẫn Campbell Scientific CS547A-L


The CS547A is a water quality probe that measures both electrical conductivity (EC) and temperature. It connects to a Campbell Scientific datalogger via the A547 interface. This probe is compatible with most Campbell Scientific dataloggers.

Benefits and Features

  • Compatible with AM16/32-series multiplexers allowing measurement of multiple sensors

  • Easy to clean

  • Corrosion resistant

  • Weighted option available for stand-alone submersion

Detailed Description

The CS547A measures temperature with a thermistor. Electrical conductivity (EC) is measured with three cylindrical stainless-steel electrodes mounted in an epoxy housing. The electrode configuration eliminates ground loop problems associated with sensors in electrical contact with earth ground. The electrodes are ac coupled, and the datalogger applies a bipolar excitation. This process reduces electrochemical reactions, minimizes corrosion, and extends the probe’s life.

The CS547A is easy to clean and resistant to corrosion. It has rounded ends to facilitate installation and removal. The CS547A is shipped with a cell constant calibrated in a 0.01 molal KCl solution at 25°C. The solution has an EC of 1.408 mS cm-1.


Conductivity Measurement Range

~0.005 to 7 mS/cm

Temperature Measurement Range

0° to 50°C

Conductivity Accuracy

  • The EC accuracy is in a KCl and Na2SO4, NaHCO3, and NaCl Standard Solutions @ 25°C.

  • ±5% of reading (for 0.44 to 7.0 mS cm-1range)

Temperature Polynomial Linearization Error

Typically < 0.1°C (over 0° to 48°C)

Thermistor Interchangeability

Typically < 0.2°C (over 0° to 50°C)

Wetted Materials

Epoxy housing, 316 stainless-steel rings, polyurethane cable

pH Operating Range

Solution pH of less than 3.0 or greater than 9.0 may damage the stainless-steel housing.

Operating Temperature Range

-15° to +50°C

Depth Rating

305 m (1000 ft) maximum


  • 6.4 x 4.6 x 2.3 cm (2 .5 x 1.8 x 0.9 in.) without mounts

  • 8.9 x 4.6 x 2.3 cm (3.5 x 1.8 x 0.9 in.) with mounts


  • 45 g (2 oz)

  • 120 g (4.2 oz) with 1.22-m (4-ft) cable

Weighted Cable Weight

80 g (2.8 oz)



CS547A Conductivity & Temperature Probe


CS547A-L Conductivity/Temperature Probe and A547A Interface

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