Professional Industrial Safety Solutions: Fosensor Portable Gas Detection Series

Professional Industrial Safety Solutions: Fosensor Portable Gas Detection Series

In high-risk industrial environments, continuous monitoring of toxic, hazardous, and combustible gas levels is vital to ensuring workforce safety and meeting strict operational compliance. MTM Precision is proud to present two flagship portable monitoring instruments from Fosensor: the high-capacity, multi-parameter Fosensor Portable Mobile Multi-Gas Monitor and the compact, heavy-duty Fosensor Portable 4-in-1 Gas Detector.

🟡 Product 1: Fosensor Portable Mobile Multi-Gas Monitor

Comprehensive Overview

The Fosensor Portable Mobile Multi-Gas Monitor is a ruggedized, mobile analytical station designed to integrate multiple environmental detection functions into a single portable briefcase unit. Featuring high-precision sensors, configurable multi-gas sensor arrays, rapid response times, and minimal cross-gas interference, this system guarantees accurate, dependable performance across complex field conditions.

It supports comprehensive detection of target parameters including:

  • Oxygen (O2)

  • Particulate Matter (PM2.5 / PM10)

  • Carbon Monoxide (CO)

  • Carbon Dioxide (CO2)

  • Hydrogen Sulfide (H2S)

  • Methane (CH4)

  • Combustible Gases (EX)

  • Temperature & Relative Humidity

  • Atmospheric Pressure

Key Features & Engineering Highlights

  • Versatile Patrol & Inspection Capabilities: Optimized for vehicle-mounted monitoring, mobile site patrols, and emergency rapid-response inspection routines.

  • Integrated High-Capacity Sampling Pump: Features a built-in active suction pump to pull gas samples directly from confined spaces, tanks, and remote pipelines.

  • Built-in Lithium Battery Pack: Engineered with a heavy-duty internal lithium battery for extended continuous field operation without local power hookups.

  • Compact & Lightweight Construction: Housed inside an ultra-durable, weather-resistant pelican-style protective case for tough field environments.

  • 8-Inch Color Touchscreen Display: Equipped with a high-resolution color user interface providing real-time concentration readouts, trend curves, and system controls.

  • Comprehensive Wireless Connectivity: Native support for LoRaWAN, Wi-Fi, and 4G networks for effortless cloud data synchronization and telemetry.

🛠️ Custom Sensor Development Options

Fosensor offers tailored sensor array development for custom field monitoring requirements. Users can configure detection modules for specific target substances including:

  • Dust / Particulate Matter: PM2.5, PM1.0, PM10

  • Gases: CO2, HCHO, TVOC, O3, Temperature, Humidity, O2, H2S, CO, NH3, C6H6, CL2, H2, SO2, NO2, and various other industrial gas options.

📊 Technical Specifications: Fosensor Portable Mobile Multi-Gas Monitor

System Specifications:

  • Operating Time: ≥ 8 hours continuous operation

  • Ambient Temperature: -20°C to 55°C

  • Ambient Humidity: 0%RH to 95%RH (Non-condensing)

  • Air Pressure Range: 90 kPa to 110 kPa

  • Data Storage Capacity: > 100,000 complete data sets

  • Power Consumption: < 10W

  • Power Supply: Built-in rechargeable battery or 19V / 3.42A DC power adapter

  • Charging Time: Approximately 8 hours

  • Unit Weight: Approximately 2.5 kg

  • Enclosure Dimensions: 318 mm x 280 mm x 204 mm

Sensor Detection Range, Accuracy & Service Life Matrix:

Sensor Type

Detection Range

Resolution

Accuracy

Expected Sensor Service Life

Oxygen (O2)

0 – 30% Vol

0.1% Vol

≤ ±0.6% Vol

2 Years

Temperature (Temp)

-40°C to 120°C

0.1°C

≤ ±0.5°C

10 Years

Humidity (RH)

0 – 100% RH

0.1% RH

≤ ±0.5% RH

10 Years

Particulate Matter (PM2.5)

0 – 1000 µg/m³

1 µg/m³

≤ ±10% of reading

≥ 40,000 Hours

Particulate Matter (PM10)

0 – 1000 µg/m³

1 µg/m³

≤ ±10% of reading

≥ 40,000 Hours

Carbon Monoxide (CO)

0 – 1000 ppm

1 ppm

≤ ±5% of reading

2 Years

Carbon Dioxide (CO2)

0 – 5000 ppm

1 ppm

≤ ±50 ppm

10 Years

Hydrogen Sulfide (H2S)

0 – 100 ppm

1 ppm

≤ ±2% of reading

2 Years

Methane (CH4)

0 – 100% LEL

1% LEL

≤ ±5% of reading

3 Years

Combustible Gas (EX)

0 – 100% LEL

1% LEL

≤ ±5% of reading

2 Years

🏭 Primary Application Fields (Mobile Multi-Gas Monitor)

  • Environmental Quality Monitoring: Atmospheric air quality inspection, municipal parks, and ambient urban monitoring.

  • Petrochemical Industry: Gas storage terminal inspections, refinery perimeters, and pipeline leakage checks.

  • Industrial Production: Manufacturing workshop monitoring, chemical processing lines, and plant safety audits.

  • Engineering Construction: Underground tunnel building, civil engineering works, and excavation site testing.

🔴 Product 2: Fosensor Portable 4-in-1 Gas Detector

Comprehensive Overview

The Fosensor Portable 4-in-1 Gas Detector is a handheld personal safety instrument designed to simultaneously monitor four critical gas parameters in real time:

  1. Methane / Combustible Gas (CH4 / EX)

  2. Hydrogen Sulfide (H2S)

  3. Oxygen (O2)

  4. Carbon Monoxide (CO)

Incorporating advanced large-scale integrated circuits, an intelligent algorithm compliant with international performance standards, and Fosensor's proprietary digital-analog hybrid communication technology, this handheld device achieves high automation, fast detection, and complete operational reliability.

Key Features & Design Highlights

  • Certified Flameproof Safety: Certified with the national CNEX Explosion-Proof Certificate, making it safe for deployment in hazardous Class I and Class II zones.

  • High Ingress Protection (IP67 Rated): Built with a heavy-duty casing that is completely waterproof, dustproof, and explosion-proof to survive rugged field use.

  • Triple Alarm Indication: Triggers high-decibel audible buzzer tones, bright flashing LED visual alarms, and strong tactile vibration alerts when gas thresholds are exceeded.

  • Flexible Sampling Modes: Compatible with natural diffusion sampling for personal protection or pump-assisted suction sampling for pre-entry checks in confined spaces.

  • Type-C Fast Charging: Features a convenient Type-C charging port connected to a built-in 3000mAh high-capacity rechargeable battery.

  • Snap-Fit Mount Clip: Engineered with a heavy-duty rear snap-fit clip for secure attachment to belts, safety harnesses, or chest pockets.

  • Advanced Wireless Connectivity: Supports 4G and LoRa wireless communication for real-time remote telemetry, tracking, and centralized safety monitoring.

📊 Technical Specifications: Fosensor Portable 4-in-1 Gas Detector

Gas Alarm Thresholds & Resolution:

Gas Type

Target Parameter

Measuring Range

Low Alarm Point

High Alarm Point

Resolution

CH4 / EX

Combustible Gas

0 – 100% LEL

20% LEL

50% LEL

1% LEL

H2S

Hydrogen Sulfide

0 – 100 ppm

10 ppm

35 ppm

1 ppm

CO

Carbon Monoxide

0 – 1000 ppm

50 ppm

150 ppm

1 ppm

O2

Oxygen

0 – 30% Vol

19.5% Vol

23.5% Vol

0.1% Vol

Operational & Hardware Parameters:

  • Display Measurement Error: ≤ ±5% FS

  • Response Time: T < 30 seconds

  • Indication / Alarm Methods: Audible buzzer, visual LED flashing, and tactile vibration alarms

  • Working Environment: Temperature -20°C to 50°C; Relative Humidity < 95%

  • Operating Voltage: DC 3.7V (Built-in 3000mAh rechargeable lithium battery)

  • Battery Charging Time: Approximately 3 hours

  • Standby Operating Time: > 8 hours continuous runtime

  • Expected Sensor Service Life: 2 Years

  • Diffusion Model Dimensions: 135 mm x 68 mm x 43 mm

  • Pump Suction Model Dimensions: 150 mm x 68 mm x 60 mm

🏭 Primary Application Fields (4-in-1 Gas Detector)

  • Industrial Mining Operations: Underground coal mines, shafts, and mineral processing facilities.

  • Petrochemical Industry: Chemical storage facilities, off-shore platforms, and fuel terminals.

  • Metal Smelting & Steel Mills: Blast furnace areas, metal refining lines, and toxic gas storage yards.

  • Gas Safety & Utility Security: Municipal gas pipe inspections, maintenance manholes, and confined space entries.

📞 Contact & Ordering Information

For official product inquiries, technical consulting, custom gas sensor configurations, or quotations for Fosensor products, please contact MTM Precision:

Contact MTM Precision

MTM Precision Sdn. Bhd.

Showroom & Service Centre

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia

  • Website: www.mtmpre.com.my

  • Email: mtmpre@yahoo.com

  • WhatsApp: +6016-660 7346

  • Office Tel: +603-80807172

30 Oct 2026