? digital adaptive temperature control; 
 ? The temperature sensing elements using seismic anticorrosive structure; 
 ? The signal is digitized, blue LCD; 
 ? measure the output of a linear expression; 
 ? Digital temperature compensation; 
 ? Two sets of output passive contacts; 
 ? Isolated output standard signal; 
 ? Infrared remote control operation; 
 ? full Chinese menu operation (English version ordering instructions); 
 Use and range of applications 
 JNYQ-O-14Ex series digital oxygen analysis instrument for flameproof, with flame arresters can be used for continuous automatic analysis of the different concentrations of various gas mixtures of oxygen. Its structure is suitable for installation in complete sets of equipment, with a simple structure, small amount of maintenance and long life. Applies to chemical industry, fertilizer plants and other explosion-proof place. 
 Applications 
 Fertilizer plants: ammonia process in the semi-water gas and renewable CO2 gas oxygen percentage content of 
 Percentage of urea flow in the semi-water gas and analytical gas oxygen content. 
 Working principle 
 JNYQ-O-14Ex Series digital oxygen analysis of the working principle of the instrument, the use of magnetic oxygen and import electrochemical oxygen sensor and advanced digital processing technology, to achieve continuous automatic fast online detection of oxygen. 
 Technical parameters: 
 ◆ Detection range: 0.00 to 99.99%; (range optional) 
 ◆. Accuracy: ≤ ± 1% FS (95.00 ~ 99.99%); 
 ≤ ± 2% FS (0.00 to 50.0%); 
 ◆. Resolution: 0.01%; 
 ◆ Stability: Zero drift ≤ ± 1% FS/7d; 
 Range drift ≤ ± 1% FS/7d; 
 ◆ Repeatability: ≤ ± 0.5%; 
 ◆ warm-up time: ≤ 15min; 
 ◆ Response Time: T90 ≤ 15S; 
 ◆ Explosion-proof grade: Exd Ⅱ CT6; 
 ◆ Output signal: 4 ~ 20mA or 0 ~ 10mA DC optional; 
 ◆ Contact capacity: 220VAC, 1A 24VDC, 1A; 
 ◆ working environment: Temperature: -10 ℃ ~ +45 ℃; 
 Humidity: ≤ 90% RH; 
 ◆. Working power supply: 220VAC ± 10%, 50Hz ± 5%; 
 ◆ Dimension: 450mm × 500 mm × 220 mm; 
 ◆ Weight: about 35kg;