Industrial online dissolved oxygen analyzer controller DO-200
Application field
Widely used for online monitoring of dissolved oxygen in water in industries such as power, chemical, metallurgical, environmental water treatment, pharmaceuticals, biochemistry, electronics, electroplating, printing and dyeing, chemistry, food, and fermentation.
Instrument features
※ LCD display, Chinese menu style operation Stable performance and strong reliability
PPM and PPB automatically switch, with high measurement accuracy and sensitive response
Texas Instruments chip, 96 × 96 standard design controller
※ It can display DO value, temperature, current, high and low points simultaneously
EEPROM type memory, no need for backup battery, data will not be lost after power failure
High performance operational amplifier with accurate measurement values, small temperature drift, and high precision
※ Multiple isolated current output with options of 0-10mA or 4-20mA
The RS485 communication interface (optional) can be easily connected to a computer for monitoring
Main technical indicators
Measurement range: 0-200ug/L; Automatic conversion from 0 to 20mg/L
Temperature range 0.0-60 ℃
Resolution of 0.1ug/L; 0.01mg/L Temp：0.1℃
Instrument accuracy ug/L: ± 1.0% FS; mg/L: ± 0.5% FS Temp:0.1℃
Analog output isolated 4-20mA current output
Relay output high and low points, hysteresis can be set by any program, with two sets of ON/OFF outputs
Protection level IP64
Response time<30 seconds (98% of final value,25℃）
Power input AC220V ± 22V, 50Hz ± 1Hz
External dimensions96×108×150mm（H×W×D）
Hole size 92 ×92 mm（H×W）
Weight1.0kg
