| Measurement Principle | Tunable Laser Absorption Spectroscopy(TDLAS) | |
| Technical Data | linearity error | ≤±1%F.S. |
| Span drift | ≤±1%F.S./6 months | |
| Repeatability | ≤1% | |
| Explosion-proof | ExdIICT6 Gb | |
| Protection levels | IP66 | |
| Response Time | Warming-up time | ≤15 min |
| Response time(T90) | ≤1s | |
| Interface signals | Analog output | 2-wire 4-20mA signal input(Isolated, maximum load 750Ω) |
| Relay output | 3-wire relay(24V,1A) | |
| Digital communications | RS485/RS232/GPRS | |
| Analog input | 2-wire 4-20mA signal input (Temperature and pressure compensation) | |
| Laser Safety Standards | GB 7247.1-2001(idt IEC 60825-1:1993) | |
| Operating Conditions | Storage Temperature | -30ºC~+60ºC |
| Ambient temperature | -40ºC~+80ºC | |
| EMC | IEC 61000-4-2,IEC 61000-4-3,IEC 61000-4-4,IEC 61000-4-5,IEC 61000-4-11 | |
| Gas jet | 0.3~0.8MPa Industrial nitrogen inlet and purification instrument gases etc. | |
| Consumption | <20W | |
| Power | 24V DC(18-36V DC), 220V AC | |
| Detection gas type | Detection limit | Detection range |
| O2 | 0.01%Vol | (0-1%)Vol., (0-100)%Vol. |
| CO2 | 10ppm | (0-1000)ppm, (0-100)%Vol. |
| H2S | 20ppm | (0-2000)ppm, (0-100)%Vol. |
| HCl | 0.1ppm | (0-50)ppm, (0-100)%Vol. |
| NH3 | 0.1ppm | (0-10)ppm, (0-100)%Vol. |
| C2H2 | 0.1ppm | (0-10)ppm, (0-100)%Vol. |
| CO2 | 10ppm | (0-1000)ppm, (0-100)%Vol. |
| H2O | 0.3ppm | (0-50)ppm, (0-100)%Vol. |
| HF | 0.02ppm | (0-5)ppm, (0-10000)ppm |
| HCN | 0.3ppm | (0-30)ppm, (0-1)%Vol. |
| CH4 | 0.4ppm | (0-40)ppm, (0-100)%Vol. |
| C2H4 | 0.6ppm | (0-60)ppm, (0-100)%Vol. |