? standard 270mm width 3U height chassis, complete sets of equipment, can also be used for the laboratory; 
 ? anti-H2, anti-corrosion sensors, anti-cross-interference, and advanced digital processing technology; 
 ? Life span: 3 years to 4 years; 
 ? measurement of the signal output of a linear expression; 
 ? Manual / zero / the end of calibration; 
 ? a variety of status signal output: sound, light, picture, relays, communications and information; 
 ? brown-out protection, start self-recovery; 
 ? Digital temperature compensation; 
 ? upper and lower limits of passive electric shock; 
 ? full Chinese menu operation (English version ordering instructions); 
 Application areas: 
 JNYQ-O-10 series of analytical instruments can be used for the thermal power, air separation, cement, metallurgy, chemical fertilizer, chemical, medical care, preservation, environmental protection, scientific research and other areas (Note :100-O2 = N2). 
 Detection principle: 
 JNYQ-O-10 series of analytical instruments imported from Japan electrochemical oxygen sensors and advanced digital processing technology, to achieve continuous automatic fast online detection of oxygen. 
 Technical parameters: 
 ◆ Measuring range: 0.00 ~ 1000 × 10-6 0.00 ~ 25% O2, 75.00 to 99.99% N2; 
 ◆. Accuracy: ≤ ± 5% FS (0.00 ~ 10 × 10-6); 
 ≤ ± 2% FS (10 to 1000 × 10-6); 
 ≤ ± 2% FS (0.00 ~ 25%); 
 ◆ Stability: ≤ ± 2% zero drift FS/7d; 
 Range drift ≤ ± 2% FS/7d; 
 ◆ Repeatability: ≤ ± 1%; 
 ◆. Resolution: 0.01 × 10-6; 
 ◆ Contact capacity: 220VAC, 1A 24VDC, 1A; 
 ◆ Output signal: 4 ~ 20mA or 0 ~ 10mA DC optional; 
 ◆ working environment: Temperature: -5 ℃ ~ +45 ℃; 
 Humidity: ≤ 90% RH; 
 ◆. Working power supply: 220VAC ± 10%, 50Hz ± 5%; 
 ◆ Dimension: 270mm (width) x 135mm (height) x 310mm (D); 
 ◆ Installation size: 214mm (width) x 133mm (high); 
 ◆ Weight: about 3.6kg;