Beijing Oushi Technology Co., Ltd
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    Room 711, Zhongke Electric Building, No.1 Beishatan Jia, Chaoyang District, Beijing
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Portable dissolved oxygen meter
Portable dissolved oxygen meter
Product details

OS-DO03 portable dissolved oxygen measuring instrument from Oushi Technology adopts the first generation fluorescence lifetime technology, which does not consume oxygen, has no flow rate limitation, does not require electrolyte, is free from maintenance and calibration, is not affected by hydrogen sulfide interference, and has excellent stability. The sensor end is equipped with a built-in temperature sensor, which automatically compensates for the temperature of dissolved oxygen measurement. The measuring instrument comes with a portable handheld operator for outdoor sensor power supply, real-time display and viewing of data, on-site calibration and other functions. It also has a built-in pressure sensor that can automatically compensate for dissolved oxygen.


Sensor characteristics

  • Automatic sensor recognition, measurement can be done immediately upon startup

  • Easy to use, no manual required, and can be operated freely

  • No film, no electrolyte required, no interference, no need for frequent calibration

  • No oxygen consumption, no flow rate limitation

  • Built in temperature sensor, automatic temperature compensation

  • Handheld controller with built-in air pressure sensor and automatic air pressure compensation

Portable fluorescence dissolved oxygen measuring instrument

model

OS-DO03

Measurement principle

Fluorescence method

Range of measurement

0~20mg/L or 0~200% saturation

accuracy

±1%

response time

30 sec

Sensor drift

1% per year

Temperature sensor

NTC

temperature range

0~50 ℃ (non freezing)

Temperature accuracy

±0.2℃

Protection level

sensorIP68, Handheld controller IP67

Sensor * * Operating pressure

6bar

Probe cable length

5 meters (default), customizable

calibration

One or two point calibration

Fluorescent cap lifespan

Guaranteed use for one year (under normal use)

Shell material

POM and stainless steel

display

54.38 × 54.38 LCD with backlight

Power information

2 18650 rechargeable batteries

data storage

support

Pressure compensation

Built in instrument, automatic compensation50~115kPa


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