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Detection principle | NDIR (Nondispersive infrared) |
---|---|
Gas sampling | Diffusion type |
Target gas | Combustible gas, Toxic gas |
Measurement range | %LEL, PPM, %vol |
Response time | Within 30sec, 90%/full scale |
Accuracy | ¡Â¡¾2%/Full Scale |
Sensor displacement | Zero - ¡Â¡¾1%LEL/6 Month, Span -¡Â¡¾1%LEL/6 Month |
User programmable | Calibration density, detection range |
Input power | DC 20~30V |
Output power | 4~20mA/Full Scale - 2.5km Transmission |
Operating temp.& humidity | -30¡É~60¡É, 5~95% RH (Non-Condensing) |
Signal cable | CVVS & CVVSB 1.5sq x 3 Wire - Shield Type |
Wire conduit | 1/2¡± or 3/4¡± PF, NPT |
Installation type | Wall or Pipe Station |
Exterior material | Cast Aluminum Alloy |
Explosion-proof | Ex d IIC T5 - Korea Gas Safety Corporation |
Output | 2 step- Relay Contact (High/Low) |
Communication output | RS-485 communication output(option) |