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Product
Contact us
Address: No.336 Heping Avenue                  Wuhan China
Zip Code: 430060
Tel:+86-27-86792064    86799855
Fax:+86-27-86797807
E-mail: nengshi@nengshi.com
Website: www.www118sjz.com
Process Sensor
DO sensor

 Technical feature

·

 Polarographic and galvanic oxygen sensor with stable performance and reliable measurement.

·

Stable zero point and small drift of the sensor.

·

Quick response of sensor (reaching up to 98% measure value<60 seconds).

·

With the measurement range from 2ppb to  20ppm and the compression resistance of 0.4Mpa.

·

With the temperature range :0~80.

·

With the flow rate of 0.02m/s.

  • Digital DO sensor

    · It can convert analog signals to digital signals ,and it is a predictive digital DO sensor.

    · Data stored in the sensor interface,such as zero point,slope ect.

    · The date can close transmission but also long distance transmission .

    · The measured value is stable and reliable.

    · measuring range: 0ppmsaturation, 0.1%200%. 

    · Temperature rang: 0130.

    · pressure range0.4MPa.

    · The external dimension of the sensor isΦ12×120 or other size.

    · The thermistor: yes.

    Selection of model:

    · ASY3851D digital DO sensor with thermistor and plug-in connection, 316L stainless steel 

                         body 

    · ASY3811D digital DO sensor with thermistor and fixed cable, 316L stainless steel body 

    · ASY2121D digital DO sensor with thermistor and fixed cable, plastic body 

    · ASY2151D digital DO sensor with thermistor and plug-in connection, plastic body 

  • Digital Fluorimetric Oxygen Sensor
    As shown in the picture:
    ? It is a digital fluorimetric oxygen sensor, model : ASYF2121D
    ? It is a digital sensor with predictive diagnostic function that converts the analog signal  directly to digital signal
    ? Data is stored in the sensor interface
    ? Can be calibrated in the laboratory, take the field plug and display, the system automatic identification, without on-site calibration of    the electrode, easy to use
    ? No need a  DO transmitter, the sensor can output digital signal and the digital signal can be transport to the computer
    ? The output digital signal  can be directly converted into WIFI or GPRS signal to achieve wireless transmission
    ? Data can be transmitted over short distances or long distances
    ? The measured value is stable and reliable
    ? Measuring range: 0-50mg/L; Measuring accuracy: ±0.1mg/L; Resolution: 0.01mg/L
    ? Dimensions: ?25*165mm
    ? Temperature range: 0-55℃; Measuring accuracy: ±0.1℃; Resolution: 0.1℃
  • DT3000 DO digital module

    · It can directly connect with analog DO sensor .

    · It can convert analog signals to digital signals.

    · The module output digital signal, which can be connected to the computer directly,and 

       display DO value and temperature value.

     

     Selection of model:

     DT3000 DO digital module with RS485 output

  • Shown as the figure:
    · Plug-in connection; convenient installation and replacement of sensor.
    · It can be installed with the thread PG13.5.

    · Suitable for the industries such as high pure water, biochemical pharmacy, foods and 

      beverage, chemical industry, semi-conductor and so on. 

    · measuring range: 0ppmsaturation, 0.1%200%

    · Temperature range: 0130.

    · pressure range0.4MPa.

    · The external dimension of the sensor is Φ12×120 or other size.

    · The outer tube material: 316L stainless steel.

    · The thermistor is Pt100、Pt1000、2.252K、10K、22K etc.

    selection of model:
    · ASY3851(polarographic)
    · ASYY3851(galvanic)
  • Shown as the figure:
    · It can be installed with the thread PG13.5.

    · The sensor has the fixed cable and the length of the cable can be adjusted according to 

      the requirements of the user.

    · Suitable for the industries such as high pure water, biochemical pharmacy, foods and 

      beverage, chemical industry, semi-conductor and so on.

    · Measuring range: 0ppmsaturation, 0.1%200%

    · Temperature rang: 0130.

    · pressure range0.4MPa.

    · The external dimension of the sensor isΦ12×120 or other size.

    · The outer tube material : 316L stainless steel.

    · The thermistor is Pt100、Pt1000、2.252K、10K、22K etc.

    selection of model:
    · ASY3811(polarographic)
    · ASYY3811(galvanic)
  • Shown as the figure:
    · It can be installed with the thread 3/4NPT.

    · The sensor has the fixed cable and the length of the cable can be adjusted according  to 

       the requirements of the user.

    · Suitable for the industries such as water, wastewater treatment, aquaculture and so on.

    · measuring range: 0ppmsaturation, 0.1%200%. 

    · Temperature range: 080.

    · pressure range0.4MPa.

    · The external dimension of the sensor : Φ25×165.

    · The outer tube material : PPS  plastic.

    · The thermistor is Pt100、Pt1000、2.252K、10K、22K etc.

    selection of model:
    · ASY2121(polarographic)
    · ASYY2121(galvanic)      
  • Shown as the figure:

    · It is the DO sensor.

    · Stable performance and reliable measurement.

    · Response time: 95% (the 95% measured value  can be reached up in 30 seconds).

    · Measurement  range: 0.00- 20.00mg/l.

    · Temperature range: 0-60.

    · The external dimension of the sensor : Φ12×120.

    · The outer tube material :  plastic.

    · The thermistor is Pt100、Pt1000、2.252K、10K、22K etc.

    Selection of model:

    · ASYS3851  polarographic, plug-in connect

    · ASYYS3851  galvanic, plug-in connect

    · ASYS3811  polarographic with fixed cable

    · ASYYS3811 galvanic with fixed cable

  • Fittings of oxygen sensor diaphragm
    · Including three diaphragms, one bottle of electrolyte and three O- rings
    · ordering No.: ASY0800
  • Fittings of oxygen sensor diaphragm
    · only for ASY2121 and ASYY2121
    · ordering No.: ASY0802
Technical parameters

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