Overview
Hospitality Enviro Tech’s Portable Formaldehyde Detector (CH₂O) offers dual sampling modes—pump suction and diffusion—for flexible gas detection. It features real-time LCD readouts, rechargeable battery operation, and rugged IP68-rated construction, perfect for industrial and safety monitoring.
Features
- Dual sampling: pump suction and diffusion modes.
- Pump blockage alarm and optional LED lighting.
- Unit switching among ppm, ppb, %Vol, %LEL, etc.
- 8-key operation with one-button quick calibration.
- Stores ≥100,000 data entries; supports data recovery, view, delete, export.
- Multiple alarms: sound, light, vibration, voice; types include concentration, fault, under-pressure, pump-blockage, TWA, STEL.
- Auto zero tracking, multi-level calibration, misoperation recognition.
- Intrinsically safe design, IP68 dust/water protection, shock/anti-static.
Technical Specifications
| Certification | FCC, CE, RoHS, ATEX intrinsically safe Exia II CT4 Ga |
| Protection Class | IP68 (dustproof, waterproof) |
| Sampling Method | Pump suction or diffusion |
| Measurement Modes | Units: ppm / ppb / mg/m³ / %Vol / %LEL |
| Data Storage | ≥ 100,000 records, data view/delete/export supported |
| Alarm Types | Concentration / Low / High / TWA / STEL / Pump-blockage |
| Display | LCD with real-time info (gas, unit, alarm, etc.) |
| Accuracy / Repeatability | ≤ ±3% FS; repeatability ≤ ±2% FS |
| Response Time (T90) | ≤ 20 s; Recovery ≤ 30 s |
| Zero Drift Protection | Auto-zero tracking |
| Power Supply | DC 3.7 V × 2; 2500 mAh polymer rechargeable battery with protection features |
| Charging and Interface | USB-C (approx. 2 h full charge) |
| Ambient Conditions | Temperature: −20 °C to +60 °C (customizable to −40 °C to +70 °C) |
| Relative Humidity: 10–95% RH | – |
| Housing | Polycarbonate + rubber, drop-resistant (>5 m) |
| Weight and Dimensions | Approx. 280 g; 167 × 64 × 62 mm (L × W × H) |
| Accessories | Calibration cap, pump nozzle, manual, certificate, USB charger included; Optional: sampling probes, carbon filter, retractable handles, Bluetooth printer |
| Production Capacity | 20,000 units per month |
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