Chang AI CI-PC791 氮氧化物分析仪 (0~25.00% O2,0~500ppm NOx)

Sensor: Double-cell thick film zirconium oxide ion current sensor

Measuring range: 0~25.00% O2,0~500ppm NOx

Accuracy: 

NOx: 0~100ppm ±5ppm 

NOx: 100~500ppm ±10ppm 

O2: 0~25% ±2% FS 

Repeatability: 

NOx: 0~100ppm ±2.5ppm 

NOx: 100~500ppm ±5ppm 

O2: 0~25% ±1% FS 

Stability: ±1% FS/7d

Response time: T90≤10s(Fully Preheated)

Power supply: 24VDC

Analyzer power consumption: less than 20VA

Communication: RS485 (standard)/RS232(optional)

Analog signal output: 2 groups,4-20mA/0-20mA/0-1V/0-5V/0-10V/1-5V(can be set)

Switching signal: 4 groupsrelay contact capacity:24VDC, 0.2A

Analog signal input:  2 groups4-wire system 4-20mA (standard) or 4-wire system 4-20mA (optional)

Digital signal input: 4 groups,9~28VDC (standard)/switchingvalue (optional)

Ambient temperature: -10~50°C Ambient humidity:less than 90% RH

Sample gas pressure: normal pressure ± 10% (air outlet should be atmospheric pressure)