大量程紅外二氧化碳傳感器 S8 0017
技術參數
|
Item |
SenseAir® S8 |
|
Target gas |
CO2 |
|
Operating Principle |
Non-dispersive infrared (NDIR) |
|
Measurement range |
0.04 to 5% volume CO2 |
|
Accuracy |
±0.02% volume CO2 ±200pmm+10% of reading (Note 1) |
|
Response time |
2 minutes by 90% for diffusion sampling method model |
|
Operating temperature |
5 to 50 ℃ |
|
Operating humidity |
0 to 95% RH non condensed (Note2) |
|
Storage temperature |
-40o to + 70o C |
|
Dimensions (mm) |
32.7 x 19.7 x 9.9 |
|
Weight |
< 8 grams |
|
Power supply |
5V ±5% unprotected against surges and reverse connection |
|
Power consumption |
300 mA peak, 30 mA average |
|
Sensor life |
15 years in normal commercial environments |
|
Serial communication |
UART, Modbus protocol. (Note 3)
Direction control pin for direct connection to RS485 transceiver integrated circuit. |
|
PWM output, 1 kHz |
0 to 100% duty cycle for 0 to 20000 ppm
3.3V push-pull CMOS output, unprotected |
|
Alarm_OC |
10000/8000 ppm, Normally conducting max 100mA. Transistor open at CO2 High, OR Power Low, OR at Sensor Failure |
