TG-500Ex-F Explosion-Proof Dew Point Meter

● Measuring Range: -80~+20°C or -100~0°C (selectable)

● Maximum Permissible Error:

±1.5°C (above -60°C)

±2°C (below -60°C)

● Repeatability: ±1.0°C

● Response Time: T₉₀ ≤5 min

● Resolution: 0.1°C

● Output Signal: 4–20mA or 0–10mA DC (selectable)

● Sample Gas Flow: (1.5–3.0) L/min

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

● Analog Output: (4–20) mA standard signal

● Digital Output: Standard RS485 communication port (bidirectional PC communication)

● Contact Output: Dual relay output (220VAC, 1A or 24VDC, 2A)

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

● Operating Environment:

Temperature: -15°C to +45°C

Humidity: ≤90% RH

● Weight: Approx. 11.3 kg

● Explosion-Proof Rating: Exd II CT6

● Protection Rating: IP65

1. Petrochemical & Natural Gas

● Natural Gas Dehydration Monitoring

Pipeline gas dew point detection (-80°C~+20°C DP) to prevent hydrate blockage

Complies with GB 17820-2018 Class I gas standard (≤-60°C DP)

● LNG Production & Transportation

Pre-liquefaction feed gas dehydration monitoring (≤-70°C DP)

Pre-loading (truck/ship) dew point recheck

2. Chemical Process Safety

● Explosion-proof Area Process Gas Monitoring

Trace moisture detection in olefin production (-80°C~-40°C DP for ethylene/propylene)

Chlor-alkali industry hydrogen dew point control (electrolyzer corrosion prevention)

3. Power & Energy

● SF₆ Insulating Gas Humidity Detection

High-voltage switch/transformer SF₆ dew point (-60°C~-20°C DP)

Meets DL/T 506-2018 standard (≤-5°C DP @20°C)

● Hydrogen Energy Systems

Fuel cell hydrogen supply line dew point monitoring (≤-50°C DP)