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WG201 Portable Gas Detector
A portable gas detection alarm is a single-gas or multi-gas detection and alarm device that can be flexibly configured.
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detection
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Smart equipment
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A portable gas detection alarm is a versatile device capable of detecting either a single gas or multiple gases. It can be equipped with an oxygen sensor, a combustible gas sensor, and a toxic gas sensor, or optionally with sensors for any combination of four gases, or alternatively with just a single gas sensor.
The portable gas detection alarm features a very clear large LCD display, backlight illumination, and audible and visual alarms, ensuring that hazardous gases can be detected even in extremely adverse working environments and promptly alerting operators to take preventive measures.
Features
● Multi-level calibration
● Small in size, lightweight, and easy to carry.
● 1.54-inch 200×200 pixel high-definition color screen
● Displays real-time concentration, alarm status, battery level, and other information.
● 2500mAh rechargeable polymer lithium battery;
● Chinese and English interfaces are available; the default interface is Chinese.
● Alarm thresholds are adjustable, and multiple alarm modes can be set: low alarm, high alarm;
● Supports OEM or ODM customization;
● Audio-visual alarm, vibration alarm, visual alarm, fault alarm, shutdown alarm;
● Data logging and storage, alarm records, power-on/off records, and real-time data logging records
● Waterproof, dustproof, explosion-proof, vibration-resistant; intrinsically safe circuit design; anti-static; resistant to electromagnetic radiation interference.
● Communication: Optional: Lora wireless communication mode, enabling regional wireless interconnectivity.
Optional features: 4G and GPS data upload to the cloud, GPS location tracking, real-time display of mobile data and location.
Product Parameters
| Detected gases: toxic gases, oxygen, carbon dioxide, flammable and explosive gases, TVOCs, and more. | Typical accuracy: ±3% F.S. |
| Detection principles: Electrochemical, catalytic combustion, infrared, PID photoionization—selected based on gas type, measurement range, site environment, and user requirements. | |
| Operating environment: Ambient temperature -20℃ to +60℃, relative humidity <95% RH (no condensation). | Recovery time: ≤30s |
| Working power supply: DC 3.7V, 2500mAh rechargeable polymer lithium battery | Response time: T90 ≤ 0 s |
| Display: 1.54-inch high-definition color screen with 240×240 pixels, operated via 4 buttons. | Detection method: Diffusion measurement |
| Alarm methods: audible and visual alarm, vibration alarm, visual alarm | Communication interface: Standard Type-C |
| Data Storage: Standard configuration includes a large-capacity data storage of 990,000 entries (other capacities available upon customization). | Shell material: ABS + TPE protective cover |
| Protection rating: IP65 — dustproof and splash-proof | |
| External dimensions: 130.5 × 58.5 × 50.5 mm (H × L × W) | |
| Weight: 180g (slight variation depending on the gas sensor) | |
| Standard accessories: Instruction manual, certificate of conformity, USB charger (including data cable), packaging box | |
| Optional features: LoRa interoperability, 4G cloud data upload, GPS location upload | |
Attachment: Technical Specifications of Some Alarm Devices
Detect gas | Measurement range | Accuracy | Minimum reading | Response time | Sensor lifespan |
Oxygen (O₂) | 0–30% Vol | ±5% (F.S.) | 0.1% Vol | ≤15 seconds | 24 months |
Flammable gas (EX) | 0~100% LEL | ±5% (F.S.) | 1%LEL | ≤5 seconds | 36 months |
Carbon monoxide (CO) | 0~999 ppm | ±5% (F.S.) | 1ppm | ≤25 seconds | 24 months |
Hydrogen sulfide (H₂S) | 0~100.0 ppm | ±5% (F.S.) | 1ppm | ≤30 seconds | 24 months |
Sulfur dioxide (SO₂) | 0~100.0 ppm | ±5% (F.S.) | 0.1ppm | ≤30 seconds | 24 months |
Nitric oxide (NO) | 0~250 ppm | ±5% (F.S.) | 1ppm | ≤60 seconds | 24 months |
Nitrogen dioxide (NO) | 0~20.0 ppm | ±5% (F.S.) | 0.1ppm | ≤25 seconds | 24 months |
Chlorine (Cl₂) | 0~20.0 ppm | ±5% (F.S.) | 0.1ppm | ≤30 seconds | 24 months |
Ammonia (NH₃) | 0~100 ppm | ±5% (F.S.) | 1ppm | ≤50 seconds | 24 months |
Hydrogen (H₂) | 0~1000 ppm | ±5% (F.S.) | 1ppm | ≤60 seconds | 24 months |
Hydrogen fluoride (HCN) | 0~50.0 ppm | ±5% (F.S.) | 0.1ppm | ≤200 seconds | 24 months |
Hydrogen chloride (HCl) | 0~20.0 ppm | ±5% (F.S.) | 0.1ppm | ≤60 seconds | 24 months |
Phosphine (PH₃) | 0–5–2000 ppm | ±5% (F.S.) | 0.01ppm | ≤25 seconds | 24 months |
Ozone (O₃) | 0~5.00 ppm | ±5% (F.S.) | 0.01ppm | ≤50 seconds | 24 months |
Chlorine dioxide (ClO₂) | 0~20.0 ppm | ±5% (F.S.) | 0.1ppm | ≤60 seconds | 24 months |
Ethylene oxide (C₂H₂O) | 0~100.0 ppm | ±5% (F.S.) | 0.1ppm | ≤120 seconds | 24 months |
Formaldehyde (CH₂O) | 0~9.99 ppm | ≤±1.5% (F.S.) | 0.01ppm | ≤50 seconds | 24 months |
Silane (SiH₄) | 0~50 ppm | ±5% (F.S.) | 0.1ppm | ≤50 seconds | 24 months |
Hydrogen fluoride (HF) | 0~10 ppm | ±5% (F.S.) | 0.1ppm | ≤50 seconds | 24 months |
Fluorine gas (F₂) | 0~1 ppm | ±5% (F.S.) | 0.01ppm | ≤50 seconds | 24 months |
Phosgene (COCl₂) | 0~1 ppm | ±5% (F.S.) | 0.01ppm | ≤50 seconds | 24 months |
Carbon dioxide (CO₂) | 0~50,000 ppm | ±5% (F.S.) | 0.01ppm | ≤30 seconds | 10 to 15 years |
Note: 1. The above data are subject to environmental conditions.
2. If you need to measure other gases or have specific requirements for gas parameters, please contact us.
3. The technical specifications for this product apply to the following products of our company.
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