What gases can YOURUIAN gas detectors measure?

Coverage of 600+ detection factors including H₂S / CO / CH₄ / O₂ / NH₃ / Cl₂ / SO₂ / NO₂ / VOCs / SF₆ / SiH₄ — common and specialty gases — supporting electrochemical, catalytic combustion, infrared, PID, thermal conductivity, and laser TDLAS sensing principles.

Are the products explosion-proof certified?

All fixed / portable / pump-aspirated core models pass Ex d ⅡC T6 Gb flameproof + Ex ia ⅡC T4 Ga intrinsic safety dual certification, with Explosion-Proof Certificates issued by the National Explosion-Proof Center, suitable for Zone 1/2 hazardous areas in petrochemical, gas, and coal mining sectors.

Can sensors and ranges be customized?

Yes. Customization is supported across gas type, range, enclosure material (aluminum / 304 / 316L stainless steel), communication interface (4-20mA / RS485 / Modbus / HART / LoRa / NB-IoT / 4G), alarm thresholds, and brand OEM. Standard products ship in 7 days; custom orders in 15–30 days.

What is the warranty period? How fast is on-site response?

12-month whole-unit warranty (sensor warranty calculated separately). Failure response within 24 hours; field engineer arrival within 48 hours. Paid extended warranty, maintenance contracts, and factory annual calibration (with certificate) available as long-term services.

Can the products integrate with existing DCS / SCADA / industrial IoT platforms?

Yes. All products come standard with 4-20mA + RS485 (Modbus RTU) + HART protocols, with optional LoRa / NB-IoT / 4G. The YOURUIAN proprietary IoT monitoring cloud platform also provides RESTful API + Webhooks for integration with EHS / MES / SCADA / industrial IoT platforms.

四氢噻吩 Detection

Formula C₄H₈S · CAS 110-01-0 · 可燃 / 强臭味

Hazard Level Medium

Molecular Weight 88.17

Explosive Limits 1.1% ~ 12.1%

⚠️ Hazards & Toxic Symptoms

Tetrahydrothiophene (THT) is a colorless, flammable liquid with a characteristic odor, commonly used as a natural gas odorant. Its vapor is irritating.

🏭 Typical Application Scenarios

Natural gas odorant (primary application)
Petroleum solvent

🔬 Detection Principle / Recommended Sensors

PID / electrochemical sensor

Common Range：0-100 ppm

🧪 Try the converter with 四氢噻吩 mg/m³ ⇄ ppm bidirectional · auto-applies this gas's MW 88.17 →

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