? Standard 483mm (19 inch rack) 4U high chassis suitable for complete sets of equipment, can also be used for the laboratory; 
 ? measurement of the signal output of a linear expression; 
 ? Dual range automatic switching; 
 ? a variety of status signal output: sound, light, picture, relays, communications and information; 
 ? Digital temperature compensation; 
 ? Multi-channel display the optional configuration components: CO, of O2, CO2,, H4, four gas; 
 ? full Chinese menu operation (English version ordering instructions); 
 Applications 
 JNYQ-M-91 multi-component analysis instruments used in power plants, metallurgy, cement, fertilizer, chemicals, environmental protection, scientific research and other fields. 
 Working principle 
 JNYQ-M-91 type multi-component analytical instruments to imports of the different principles of sensors and advanced digital processing technology to achieve the detection of various gases in the gas mixture continuously and automatically fast online. 
 The main technical parameters 
 ◆ Measuring range: 0.00 to 100%; 
 ◆ key indicators: Zero drift: ?1% FS/7d; 
 Span drift: ± 1 FS/7d; 
 Linearity error: ± 1% FS; 
 ◆ Signal output: (1) measuring the output 
 Large-screen liquid crystal blue, the direct reading of data, information-rich; 
 English in two versions (English version, ordering instructions); 
 The user-friendly menu operation, a simple and neat; 
 Isolated current: (0/4-20) mA, (500Ω); 
 Isolation communication: RS232, RS485 (optional); 
 (2) state control output (isolated) 
 The upper and lower limits of passive electric shock (adjustable); 
 Communication Interface: RS232, RS485 (optional); 
 ◆ working environment: the supply voltage: 220VAC ± 10% 50Hz ± 5%; 
 Ambient temperature: (5 ~ 40) ° C; 
 Allow humidity: (0 ~ 85)% RH; 
 Power: about 60W; 
 Weight: 4.5kg;