Portable Multi Gas Detector BZGD-502 is a compact and reliable handheld device designed for real-time monitoring of hazardous gases in industrial and confined environments. This gas detector offers a detection range for Carbon Monoxide up to 1000 ppm, Flammable Gases up to 100% LEL, and Hydrogen Sulfide up to 50 ppm, with the ability to test up to 4 gases simultaneously. It ensures a high resolution, a fast response time within 20 seconds, and accurate readings with a measurement error. Its durable design includes pump suction sampling and an IP65 ingress protection rating. Our Portable Multi Gas Detector BZGD-502 is ideal for use in oil and gas facilities, mining operations, chemical plants, and confined space safety checks.
| Parameter | Specification |
| Detectable Gases Range | Carbon Monoxide: 0–1000 ppm Flammable Gases: 0–100% LEL Hydrogen Sulphide: 0–50 ppm Other 1–4 gases can be tested |
| Resolution | 1 ppm / 1% LEL |
| Measurement Error | ≤ ±5% FS |
| Response Time | ≤ 20 seconds |
| Operating Temperature | -20°C to +50°C |
| Operating Humidity | < 95% RH (No condensation) |
| Detection Principle | EC Sensor, Infrared Sensor |
| Sampling Mode | Pump Suction |
| Power Supply | DC 3.7 V Lithium Battery; 2000 mAh |
| Explosion Proof Grade | Ex ib IIB T3 Gb |
| Explosion Proof Number | CNEx18.4929X |
| Ingress Protection | IP65 |
| Product Dimension | 175 × 76 × 48 mm |
| Net Weight | 450 g |
| Gross Weight | 1500 g |
Our Portable Multi Gas Detector BZGD-502 is widely used in chemical plants, oil refineries, gas utilities, confined spaces, and hazardous work environments for accurate multi-gas monitoring and worker safety.
Frequently Asked Questions
1: Can you use a Portable Gas Detector outdoors and in extreme weather?
Yes, many models are designed to be weather-resistant and can function in extreme temperatures, humidity, and dusty conditions. This rugged construction is ideal for outdoor or harsh industrial environments.
2: What safety certifications should you look for in a Portable Gas Detector?
Look for certifications such as ATEX, IECEx, and UL, which indicate the device has been tested and approved for use in explosive or hazardous areas. Compliance with OSHA or ANSI standards is also important.
3: Can you store the data recorded by the Portable Gas Detector?
Yes, many advanced detectors come with data logging features that store gas exposure history, alarms, and event data. This information can be downloaded for analysis and compliance reporting.
4: How often should you bump test your Portable Gas Detector?
It’s recommended to perform a bump test daily or before each use. A bump test checks the detector’s sensors and alarms by briefly exposing it to a known concentration of gas to ensure it responds correctly.
5: Can you use Portable Gas Detectors in explosive environments?
Yes, specially certified detectors can be safely used in explosive atmospheres. These devices are built with intrinsically safe components to prevent sparks or heat from igniting flammable gases.
6: Can you explain what a Portable Gas Detector is used for?
A Portable Gas Detector is a handheld device used to detect and monitor the presence of hazardous gases in the environment. It ensures safety in areas where gas leaks or toxic fumes could pose a risk to health or cause explosions, making it essential for industrial and confined space applications.
7: How does a Portable Gas Detector function?
The detector draws in air and uses sensors to identify the presence of specific gases like carbon monoxide, methane, hydrogen sulfide, and oxygen. It triggers alarms-audible, visual, or vibrational-when gas levels exceed safe limits, allowing users to take immediate action.
8: Can you detect multiple gases with one Portable Gas Detector?
Yes, many modern portable detectors are equipped with multi-gas sensors that can detect up to four or more gases simultaneously. This capability makes them highly versatile and suitable for various hazardous environments.
9: What industries commonly use Portable Gas Detectors?
Industries such as oil and gas, chemical manufacturing, mining, wastewater treatment, firefighting, and construction rely on portable gas detectors to ensure worker safety and compliance with safety regulations.
10: Can you use a Portable Gas Detector in confined spaces?
Absolutely, these detectors are ideal for confined space entry where ventilation may be limited, and toxic gas buildup is a risk. They help identify dangerous conditions before and during entry.
