Cảm biến đo oxy hòa tan DO Campbell Scientific CS511-L

Thương hiệu: Campbell Scientific | Tình trạng: Còn hàng
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CS511-L Dissolved Oxygen Sensor

Gọi 0904251826 để được trợ giúp

Cảm biến đo oxy hòa tan DO Campbell Scientific CS511-L


The CS511, manufactured by Sensorex, is a submersible, rugged, low-maintenance sensor that senses dissolved oxygen in a medium (typically water). It generates a signal proportional to the amount of oxygen present, and our datalogger measures that signal.

Benefits and Features

  • In-line thermistor provides automatic temperature compensation

  • Compatible with all Campbell Scientific dataloggers (including the CR200(X) series)

  • Agitator available that keeps the probe clean and moves water across membrane for more accurate readings

  • Compatible with the CWS900-series interfaces, allowing it to be used in a wireless sensor network

Detailed Description

The CS511 consists of a self-polarizing galvanic cell that generates a millivolt signal proportional to the amount of oxygen present in the measured medium (typically water). Oxygen diffuses through its membrane onto a cathode that produces a chemical reaction. An electrical current is produced by this reaction, which is converted from microamps to millivolts by an in-line resistor. An in-line thermistor provides automatic temperature compensation.

Currently, the CS511 is Sensorex’s Model DO6400/T. Prior to June 2008, the CS511 was Sensorex’s Model DO6200/T. Programming, wiring, and most specifications are the same for these two sensors. However, they use different accessories and look different. Replacement parts remain available for the older DO6200/T. (See the Ordering Info on the web page.)

The CS511 manual has pictures of both the DO6400/T and DO6200/T, which can help you identify your sensor. Contact Campbell Scientific for more information


Measurement Range

0.5 to 50 ppm (for O2)


33 mV ± 9 mV (100% saturation); < 2 mV (0% saturation)



Response Time

5 min from 100% to 0% oxygen

Minimum Water Velocity

5 cm s-1 (2 in. s-1) across membrane

Minimum Submersion Depth

6.35 cm (2.5 in.)


0 to 100 psig

Temperature Compensation

Automatic from 4° to 40°C

Probe Electrolyte

NaCl + glycerol (prevents freezing)


5.72 cm (2.25 in.)


17.78 cm (7 in.) from bottom of sensor to end of cable strain relief

Shipping Weight

0.8 kg (1.75 lb) including sensor and shipping kit



CS511 Dissolved Oxygen Sensor


CS511 Dissolved Oxygen Probe

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