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DoraHello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
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SylviaGood gas leak detection instrument !!! High accurate test values :D
Zetron MS400-S Multi Gas Detector for Combustible H2S CO O2

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xProduct Details
Product Name | Zetron MS400-S Multi Gas Detector | Detecting Gas | Combustible Gas, H2S, CO, O2 |
---|---|---|---|
Work Modes | Diffusion And Pumping | Otional | 4G, Lora,WiFi, Printer |
Gas Sampling Method | Natural Diffusion+Pump Sunction | Protection Grade | IP68 |
Sensor Type | Electrochemical, Catalytic, Infrared, Or Photoionization | Charger | USB Port |
Alarm Mode | Audible-visual Alarm,Vibration Alarm | Continuous Working Time | More Than 10 Hours |
Additional Features | Data Logging, Real-time Display, Self-test Function | Temperature | -4° To 122°F (-20°C To 50°C) |
Warraty | 1 Year | Working Voltage | 3.7V Rechargeable Lithium Battery |
Highlight | Zetron MS400-S multi gas detector,portable combustible gas detector,H2S CO O2 gas monitor |
Product Description
MS400-S: Multifunctional Gas Detection, Guarding the Frontline of Industrial Safety
Product Specifications
Attribute | Value |
---|---|
Product Name | Zetron MS400-S Multi Gas Detector |
Detecting Gas | Combustible gas, H2S, CO, O2 |
Work Modes | Diffusion and pumping |
Optional Features | 4G, Lora, WiFi, printer |
Gas Sampling Method | Natural diffusion + Pump suction |
Protection Grade | IP68 |
Sensor Type | Electrochemical, catalytic, infrared, or photoionization |
Charger | USB port |
Alarm Mode | Audible-visual alarm, Vibration alarm |
Continuous Working Time | More than 10 hours |
Additional Features | Data Logging, Real-time Display, Self-test Function |
Temperature Range | -4° to 122°F (-20°C to 50°C) |
Warranty | 1 year |
Working Voltage | 3.7V rechargeable lithium battery |
Product Overview
The Zetron MS400-S Portable Four-in-One Gas Detector integrates cutting-edge technology with practical functionality, designed to quickly identify gas leaks and issue over-limit alarms. Featuring 1 to 4 plug-and-play, smart-recognition digital sensors, it combines electrochemical, infrared, catalytic combustion, thermal conductivity, and PID photoionization technologies for exceptional detection accuracy in complex environments.

Key Features
- Dual-Mode Detection: Switch between pump-suction and diffusion modes with pump blockage intelligent alarm
- Intelligent Sensing: Plug-and-play digital sensors with smart recognition for simplified maintenance
- Multidimensional Units: Supports multiple measurement units (ppm, %LEL, mg/m³, etc.) for global compatibility
- Intuitive Operation: 4-button control with 2.4-inch color display for real-time data visualization
- Massive Data Storage: Standard 1,000,000 record capacity, expandable to tens of millions with customizable intervals
- Wireless Connectivity: Optional Bluetooth, WiFi, LORA, 4G, NB-IoT modules for device interconnection
Applications
The MS400-S is widely used in industrial safety, emergency rescue, environmental monitoring, and energy sectors. It provides real-time monitoring for petrochemical, metallurgy, and refining industries, with special suitability for firefighting and confined space operations. The detector also excels in air quality assessment, waste gas treatment, and gas delivery processes.
Technical Parameters
Parameter | Specification |
---|---|
Model | MS400S |
Measurement Range | Depends on site environment and user requirements |
Detection Method | Built-in pump suction combined with diffusion type |
Battery | 7.4V, 2700mAh rechargeable polymer battery |
Communication Interface | Standard Type-C (2-hour rapid charging) |
Response Time | T90 ≤20 seconds (General standard) |
Display | 2.4-inch color LCD |
Power Supply | DC 7.4V |
Operating Temperature | -20°C to +55°C (customizable to -40°C to +70°C) |
Operating Humidity | 10-95% RH |


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