JHBD4 Portable 4in1 Gas Detector China Factory Suppliers

The JH-BD-4 portable gas detector from leading China factory suppliers detects flammable, explosive, toxic and harmful gases. This high-precision instrument provides instant sound, light and vibration alarms to ensure site safety in hazardous industrial environments.

SupplierJiangsu Jihua Electronic Technology Co., Ltdwww.jhdetect.com

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About this product

Product information from the supplier.

The JH-BD-4 Portable Gas Detection Alarm Device is a professional-grade, high-precision safety instrument engineered for the simultaneous monitoring of up to four types of gases. Integrating advanced sensing technologies including electrochemical, catalytic combustion, infrared, and photoionization principles, this device provides critical real-time protection against combustible and toxic gases in hazardous industrial environments.

Designed for maximum reliability in the field, the JH-BD-4 features an intrinsic safety design and IP65 protection grade, ensuring stable performance under extreme temperatures and humidity. With its high-definition color display and multi-dimensional alarm system, it empowers operators to detect atmospheric threats instantly, significantly reducing the risk of industrial accidents in environmental monitoring and chemical processing.

Detailed Parameters

Detected Gases	Combustible, Toxic & Harmful Gases	Detection Range	0~100%LEL, 0~30.0%VOL, 0~1000ppm etc.
Sensing Principle	Electrochemical, Catalytic, IR, PID, Semiconductor	Indication Error	≤±5%FS
Operating Temp	Combustible: -40℃~70℃ / Toxic: -20℃~50℃	Operating Humidity	≤95%RH (Non-condensing)
Power Supply	3.7V 3000mAh Rechargeable Polymer Battery	Display Mode	2.31-inch HD Color Screen
Explosion-proof	Intrinsic Safety (Ex ib IIC T3 Gb)	Protection Grade	IP65

Key Advantages

Intrinsic Safety

Compliant with anti-static and anti-electromagnetic interference standards for high-risk zones.

Extended Battery

High-capacity 3000mAh polymer battery ensures prolonged continuous operation in the field.

4-in-1 Detection

Simultaneously monitors four different gases, providing comprehensive atmospheric analysis.

HD Visualization

2.31-inch color screen displays real-time concentrations, alarm status, and time logs.

3D Alarm System

Combined sound, light, and vibration alerts for instant notification in noisy environments.

Error Recognition

Automatic calibration error prevention to eliminate human-factor risks during setup.

Product Gallery

Management Platforms

Data Logging

Integrated storage capacity for up to 5,000 alarm records for audit trails.

USB Interface

Supports hot-plugging for seamless data communication and fast charging.

Threshold Tuning

Customizable low, high, and interval alarm settings to match site safety protocols.

Fault Monitoring

Real-time undervoltage and system fault alarms to ensure device readiness.

Sampling Flexibility

Available in standard diffusion or optional suction types (250-500mL/min).

Calibration Logic

Automated recognition of concentration calibration errors to prevent false readings.

Investment Return Comparison

Feature Aspect	Conventional Detectors	JH-BD-4 Device
Gas Capacity	Single Gas Only	Up to 4 Gases Simultaneous
Safety Rating	Standard IP Rating	Ex ib IIC T3 Gb + IP65
Alarm Interface	Audio Only	Audio, Visual & Vibration
Battery Life	Short-cycle Alkaline	3000mAh Polymer Rechargeable
Maintenance	Manual Calibration	Auto-Error Recognition

Frequently Asked Questions

Q: What industries are most suitable for the JH-BD-4 gas detector?

It is ideal for environmental monitoring, petrochemical plants, wastewater treatment, mining, and any facility requiring rigorous combustible or toxic gas detection.

Q: How does the intrinsic safety feature benefit the user?

The intrinsic safety design ensures that the device cannot release enough electrical or thermal energy to ignite an explosive atmosphere, making it safe for Zone 1 or 2 hazardous areas.

Q: Can the sampling mode be customized for different applications?

Yes, while the standard is a diffusion type, you can choose an optional suction type with flow rates of 250mL/min or 500mL/min for remote sampling.

Q: What types of alarm notifications are provided?

The device employs a multi-dimensional system including high-decibel sound, bright flashing lights, physical vibration, and clear on-screen visual alerts.

Q: How is data managed and exported from the JH-BD-4?

The device stores up to 5,000 alarm records internally, which can be easily exported via the USB communication interface to a computer for analysis.

Q: What is the expected lifespan of the rechargeable battery?

The 3000mAh polymer battery is designed for high durability and long-term continuous use, featuring a built-in charging protection function to prevent overcharging.