直接联系认证专家
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)