· 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: 0ppm～saturation, 0.1%～200%. 

· Temperature rang: 0～130℃.

· Pressure range：0.4MPa.

· 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 

• 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

• Temperature range: 0-55℃; Measuring accuracy: ±0.1℃; Resolution: 0.1℃

Selection of model : 

• ASYF2121D

· 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