Overview
GAO Tek explosion-proof Formaldehyde CH₂O Gas Purity Analyzer is a portable gas detector built for hazardous environments. It integrates a pump and multiple gas detection modules into a robust housing with a high-definition display and real-time alarms. This device supports data storage, optional wireless transmission, and is designed for reliable monitoring in industrial and emergency use cases.
Features
- Explosion-proof casing with aviation-grade materials.
- 3.5-inch high-definition color screen with wide viewing angle.
- Built-in adjustable pump for reliable sampling in ten flow levels.
- Multi-gas detection capability (supports up to 1–4 gases).
- Flashlight function for low-light environments.
- Multi-layer filter for oil, water, and dust protection.
- Data storage (standard 16 MB), 100,000 data groups, optional 8 GB SD support.
- Output via USB, optional Bluetooth/ZigBee/DTU wireless modules.
- Screen capture and optional built-in or Bluetooth printer.
- Rechargeable 3800 mA polymer battery with protection circuits.
- Alarm modes: buzzer, LED, display alerts, including fault and low battery alarm
Technical Specifications
| Detection Capability | Formaldehyde CH₂O (up to 1–4 gases) |
| Detection Principle | Electrochemical sensor |
| Sampling Method | Built-in pump, adjustable, ten flow levels |
| Measure Range | 0–10, 20, 50, 100, 500, 1000 ppm |
| Resolution | 0.01 ppm, 0.1 ppm |
| Certification | Exia II CT4, CE, IP66 |
| Response Time | < 10 s |
| Precision | 2% FS |
| Repeatability | ≤ ±1% |
| Zero Shift | ≤ ±1% FS/year |
| Dimensions | 270 × 75 × 41 mm |
| Weight | Approx. 400 g |
| Display | 3.5-inch color screen, 320×480 |
| Storage Capacity | Standard 16 MB; optional 8 GB SD |
| Communication | USB, optional Bluetooth, ZigBee, DTU |
| Battery Capacity | 3800 mA rechargeable polymer battery |
| Alarm Modes | Sound, light, display alerts |
| Protection | Dust-proof, waterproof, explosion-proof |
| Production Capacity | 50,000 pieces per year |
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