TG-500Ex-D Explosion-Proof Gas Analyzer

● Measuring Range: CO₂: 0–200 ppm

● Maximum Permissible Error: ±1.5% F.S.

● Stability:

Zero drift: ≤±1% F.S./7d

Span drift: ≤±1% F.S./7d

● Sample Gas Flow Rate: (400±40) mL/min

● Response Time: T₉₀ ≤20 s (direct gas path through chamber)

● Sample Gas Pressure: 0.05 MPa ≤ Inlet Pressure ≤ 0.25 MPa

● Contact Output: Dual relay output (220 VAC, 1A or 24 VDC, 1A)

● Analog Output: 4–20 mA standard signal

● Operating Environment:

Temperature: –10°C to +45°C

Humidity: ≤90% RH

● Power Supply: (220±22) VAC, (50±5) Hz

● Explosion-Proof Rating: Exd II CT6

● Ingress Protection: IP65

1. Petroleum Chemical & Refining

● VOCs Leak Monitoring

Storage tank areas/loading docks: Combustible gas (LEL%) and benzene series (ppm-level) detection

Complies with GB 50493-2019 explosion-proof requirements

● Hydrogenation Unit Safety Control

Synchronized analysis of H₂S (0-50ppm) and CO (0-100ppm) in recycled hydrogen

2. Coal Chemical & Synthetic Ammonia

● Coal Gasification Process Gas Monitoring

Crude gas concentration control: CO (0-50%), H₂ (0-100%)

Oxygen content interlock protection (O₂ <0.5%)

● Ammonia Synthesis Loop

Trace CO+CO₂ monitoring (<10ppm to prevent catalyst poisoning)

3. Natural Gas Processing

● Desulfurization Unit Safety Monitoring

Dual-parameter detection of H₂S (0-1000ppm) and SO₂ (0-500ppm)

Equipped with high-temperature sampling probe (sulfur-resistant, 200°C)