Fixed Infrared Gas Analyzer LB-36FIA offers precise and reliable measurement of critical industrial gases, including NOx, SO₂, CO, CO₂, CH₄, and H₂S. It operates within a temperature range of -10°C to 45°C and supports a gas flow rate between 500 to 1000 ml/min. It utilizes advanced NDIR technology to deliver fast, repeatable readings. The analyzer features a narrow-band gas chamber absorber for accurate and interference-resistant gas detection.
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| Measuring Ranges | NOx: 0 to 1000 ppm / 0 to 20% SO₂: 0 to 500 ppm/ 0 to 100% CO: 0 to 20 ppm / 0 to 100% CO₂: 0 to 10 ppm / 0 to 100% CH₄: 0 to 200 ppm / 0 to 100% H₂S: 0 to 300 ppm / 0 to 30% |
| Measured Components | NOx, SO₂, CO, CO₂, CH₄, H₂S (Customizable: any one or two) |
| Measuring Principle | NDIR (Non-dispersive Infrared) Analyzer |
| Accuracy | ±2% FS |
| Repeatability | ±1% FS |
| Baseline Drift | ±1% FS / 7 days |
| Range Drift | ±1% FS / 7 days |
| Linear Error Limit | ±1% FS |
| Response Time | T90 ≤ 60 s (at 0.5 L/min sample flow) |
| Gas Flow Rate | 500 to 1000 ml/min (optimal: 500 ml/min) |
| Pressure Tolerance | ±10% of atmospheric pressure |
| Temperature Range | -10°C to 45°C |
| Humidity Range | < 80% RH |
| Moisture Level | ≤ 5% saturated |
| Dust Conditions | Particles: ≤ 1 μm Concentration: ≤ 200 μg/Nm³ |
| Maximum Load Capacity | Up to 500 Ω |
| Analog Signal Output | 4 to 20 mA / 0 to 20 mA / 0 to 1 V / 0 to 5 V / 0 to 10 V / 1 to 5 V (customizable) |
| Power Supply | 85-264 VAC, 50/60 Hz |
| Product Dimension | 483 × 300 × 180 mm |
| Packaging Dimension | 550 × 400 × 300 mm |
| Net Weight | 3.5 kg |
| Gross Weight | 4 kg |
Features
Multi-gas monitoring
Adjustable gas flow
Gold-plated mirrors
Corrosion resistant
Stable infrared light source
User-set alarm limits
Multiple output modes
Standard Accessories
Filter × 1 pc
Install frame × 2 pcs
Applications
Fixed Infrared Gas Analyzer LB-36FIA is used for accurate analysis of furnace, kiln, and flue gases to ensure process efficiency and emissions control. It is widely applied in petroleum, chemical, smelting, building materials, bioengineering, and environmental monitoring industries.
| Sensor | High sensitivity sensor |
| Sampling method | Diffusion |
| Detection range | CO, O2, Cl2, SO2, O3, CO2, CH4, H2S, NH3, NO, NO2, H2, LEL, LPG, PID, EXP, CH4 (IR), C3H8 (IR) |
| Operating humidity ( non-condensing ) | 15 % to 90 % RH |
| Sensor | Non-dispersive infrared sensor |
| Sampling method | Diffusion |
| Detection range | CO, O2, Cl2, SO2, O3, CO2, CH4, H2S, NH3, NO, NO2, H2, LEL, LPG, PID, EXP, CH4 (IR), C3H8 (IR) |
| Operating humidity ( non-condensing ) | 15 % to 90 % RH |
Address: Labotronics Scientific. 1007 N Orange St.,
Wilmington, DE 19801, USA
Mail: info@labotronics.eu
WhatsApp: +1 579 401 0534
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