HS-804 dissolved oxygen monitor

    Application Area

    It is widely used in online monitoring of dissolved oxygen in electric power, chemical, metallurgy, water treatment, pharmaceutical, biochemical, electronic, electroplating, printing and dyeing, chemical, food and tap water.

    Main Features

    1. A new high-intelligence microcomputer controller with full Chinese and English microcomputers.

    2, 128 × 64 dot matrix LCD large screen display, full Chinese menu operation, man-machine dialogue, computer operation.

    3. Display DO value, input mV number (or output current), temperature, time and status on the same screen.

    4. The current output adopts photoelectric coupling isolation technology, which has strong anti-interference ability and can be transmitted far.

    5, alarm function, alarm relay high and low point, lag arbitrary program setting.

    6, the communication interface can be easily connected to the computer for monitoring and communication.

    7, compact structure, disc installation, easy to use and maintain.

    8, waterproof and dustproof design, suitable for outdoor use.

    Main technical parameters

    1. Range O2: 0.0~100.0ug/L, 0.00~20.00mg/L  

    Temp: 0.0~99.9°C         

    2. Resolution: 0.1ug/L, 0.01mg/L  

    Temp: 0.1 ° C

    3, accuracy O2: 0.1ug / L ± 1Digit 

    Temp: 0.1 °C ± 1 Digit 

    4, repeatability: no more than 1%

    5, response time: < 60 sec (98% of the final value, 25 ° C)

    6, temperature electrode: Pt1000

    7, temperature compensation: automatic temperature compensation, temperature compensation range 0 ~ 65 ° C

    8. Water sample conditions Flow rate: 10～40L/h  Temperature: 10～45°C  Pressure: 10～100KPa  Impurity: solid matter is less than 5 microns, and no gel appears.

    9, ambient temperature: 0 ~ 60 ° C

    10. Ambient humidity: <85%RH

    11, analog output: galvanic isolation 0 ~ 10mA output (load < 1.5kΩ), 4 ~ 20 mA output (load < 750Ω)

    12. Alarm relay: high and low point, lag arbitrary program setting, two sets of ON/OFF output. AC220V upper limit current 3A

    13. Communication interface: RS485 or 232 (optional)            

    14, protection level: IP65 

    15, data preservation: 15 years

    16, power: AC220V ± 22V, 50Hz ± 1Hz

    17, power: 8W

    18, Dimensions: 146 × 146 × 108mm (H × W × D)      

    19, opening size: 138 × 138mm (H × W)

    20, weight: 1.2kg

     Selection Guide

    1, optional ppb, ppm two dissolved oxygen electrodes.

    2, the installation method can be installed in disc type or wall-mounted.