At the bottomfeature：

lUsing a polarographic trace dissolved oxygen detection electrode, suitable for detecting low concentration oxygen content, with a measurement accuracy of micrograms

lDurable sealed design, with a protection level of up toIP65， Can meet the needs of complex on-site use

lWide temperature and high brightness12864 OLED dot matrix LCD display, with a large viewing angle, suitable for use in dark and low temperature environments

lIntegrated structure design of flow path and transmitter, with built-in handle for easy carrying and flexible use

lbring your ownUSB interface with self charging and data export functions

lKey parameter password protection to prevent non operators from accidentally operating the machine and ensure the basic performance of the instrument

lIt has the function of storing and querying measurement data, operation, and calibration records, and can store measurement data200 records, 200 operation records, and 100 calibration records

lEquipped with polarization voltage scanning function, it can automatically complete electrode self diagnosis

lContinuous use time shall not be less than40 hours

At the bottomMain technical performance

apparentShow:128‍‍64 OLED display in Chinese or English

measurement range: (0～20)μg/L

(0～ 200)μg/L

(0-20) mg/L (automatic range switching)

dividedistinguishRate:0.1µg/L、0.01mg/L

Basic error:± 1.5% F.S or 1ug/L (whichever is greater)

Response time:Reaching 90% change within 60 seconds at 25 ℃

Temperature range:(0.0～99.9)℃

Temperature accuracy:±0.5℃

Salinity compensation error:±2％

Working power supply:DC3.7V rechargeable lithium-ion battery (built-in)

Usage time:>40h

Sample conditions: Temperature range(5-50) ℃, flow rate (50-250) ml/min (optimal around 100ml/min)

Storage and transportation temperature:(-20~55) ℃ (excluding electrodes, electrodes should be above 0 ℃)

Overall dimensions:260 mm x 130 mm x 140 mm (length x width x height)

heavy quantity: 2.5 kg