Measurement range: dissolved oxygen: 0～25.00mg/L; temperature: 0～60℃;  
measuring error: dissolved oxygen: ± 0.2mg/LFS; temperature: ±0.5℃
automatic temperature compensation: 0～60℃;
electrode residual signal: ＜1‰;
response time(final value90%): 25℃时＜60S; 35℃ ＜30S;
stability: ＜2%FS;
signal output: 0～10mA(load resistance＜1.5KΩ); 4～20mA(load resistance＜750Ω);
0～5VDC or 0～10VDC;
two pharse relay control contact: 3A 240VAC, 6A 28VDC or 120VAC;
power supply: 220VAC±10%,50±1Hz, power≤3W;

Industrial dissolved oxygen meter is online water monitor with microprocessor. It is widely applied in industrial water, living water, sewage treatment and breeding industry.