Ø 5.7â€LED display
Ø On board storage for over 20 years of data
Ø Real-time operating system, onware upgrade。
Ø Keyboard input
Ø Automatic calibration and manual calibration. Receive remote control commands for automatic calibration
Ø Automatic compensation for temperature and pressure changes
Ø Gas multi-stage filtration to avoid contamination of the reaction tank
Ø Automatic fault diagnosis and alarms, also capable of fixing errors remotely
Ø Multi interface output: analog output, current output, relay output
Theory | Gas filter related infrared absorption |
Measuring range | 0～20ppm |
Measurement unit | ppm,,mg/m3Â (Optional) |
Min LOD | 0.2ppm |
Zero drift | ±0.5ppm/24h |
80% range drift | ±1ppm |
20%Â range drift | 0.5ppm |
80%Â range precision | 1.0ppm |
Noise at null point | 0.1ppm (300s average) |
Response time |  ≤120s |
Sampling flow | 700mL/min±10% |
Interface | RS232/RS485/WLANÂ optional,4-20mA,0-1V/2V/5V/10V(optional), with two digital interface |
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