UNI-T
UNI-T UT334E Plus Multi Gas Detector
UNI-T UT334E Plus Multi Gas Detector
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The UNI-T UT334E Plus is a professional 4-in-1 portable gas detector designed to provide reliable and accurate detection of hazardous gases in industrial and commercial environments. Equipped with high-quality sensitive sensors, this advanced instrument monitors oxygen (O₂), carbon monoxide (CO), hydrogen sulfide (H₂S), and combustible gases, ensuring workplace safety and compliance with industrial safety standards.
With a compact design, 2.0-inch backlit display, and multiple alarm modes—including audible, visual, and vibration alerts—the UT334E Plus delivers fast and intuitive warnings when gas concentrations exceed safe levels. Its robust explosion-proof design and long-lasting 2000mAh lithium battery make it ideal for on-site use in demanding environments such as oil & gas, mining, chemical plants, construction, and confined space monitoring.
Key Features
4-in-1 Gas Detection: Measures oxygen, carbon monoxide, hydrogen sulfide, and combustible gases simultaneously.
High-Sensitivity Sensors: Provides accurate, reliable detection with rapid response (≤60s).
Multiple Alarm Modes: Audible buzzer, flashing LED light, and vibration ensure immediate safety alerts.
Data Recording: Automatic storage of alarm records for traceability.
User-Friendly Display: 2.0-inch black-and-white LCD with backlight for clear visibility.
Bilingual Interface: Switch easily between Chinese and English.
Built-in Safety: Explosion-proof certification (China, Exib IIB T3 Gb) for hazardous environments.
Durable Power Supply: Rechargeable 3.7V 2000mAh lithium battery supports long operation.
Power-On Self-Test: Ensures reliable performance before every use.
Technical Specifications
| Specifications | Details |
|---|---|
| Detectable Gases | O₂, CO, H₂S, Combustible gases |
| O₂ Measuring Range | 0–30% VOL |
| CO Measuring Range | 0–1000 PPM |
| H₂S Measuring Range | 0–100 PPM |
| Combustible Gas Range | 0–100% LEL |
| Resolution | O₂: 0.1% VOL; CO: 1 PPM; H₂S: 1 PPM; Combustible gas: 1% |
| Error Margin | ±3% FS (O₂), ±5% FS (Combustible), ±5 µmol/mol or ±10% (CO), ±2 µmol/mol or ±10% (H₂S) |
| Response Time | T ≤ 60 s |
| Sampling Method | Diffusion type |
| Display | 2.0-inch black & white LCD with backlight |
| Alarm Methods | Audible, LED, vibration |
| Alarm Record | Yes |
| Explosion-Proof Rating | Exib IIB T3 Gb |
| Operating Temperature | -20°C to 50°C |
| Operating Humidity | <95% RH (non-condensing) |
| Power Supply | DC 3.7V lithium battery (2000mAh) |
| Dimensions/Weight | Portable handheld design (details on request) |
Standard Accessories
UNI-T UT334E+ Gas Detector
Standard Air Hood
Charging Cable & Adapter
Toolbox
Color Box
Instruction Manual
Factory Test Report
Explosion-Proof Certificate
Certificate of Conformity & Warranty Card
Applications
The UT334E Plus Gas Detector is an essential safety tool in industries where gas hazards are a concern:
Oil & Gas Industry – detection of combustible gases in refineries and drilling sites.
Mining & Construction – confined space safety monitoring.
Chemical Plants – monitoring toxic gases and ensuring safe environments.
Municipal Utilities – wastewater treatment, sewer, and underground maintenance.
Firefighting & Rescue – rapid detection of hazardous atmospheres during emergencies.
