Description
Features
- Imported high-performance sensor with 2-3 years of service life
- Active pump suction, 32-bit ultra-low power microprocessor for quick response, low error, and high resolution
- Built-in temperature and humidity sensors for real-time display
- Intelligent compensation algorithms, 3-8 level automatic calibration, and sensor status detection
- 3-inch full-color backlit screen with user-friendly interface and icon menu
- Supports PPM, %VOL, mg/m3, mg/L units, and Chinese/English interface
- Standard 6000 mAh lithium battery for over 30 hours of use, USB charging compatibility
- Standard 5 V 21 A USB quick charger with interchangeable plugs.
- Real-time data transmission in 5 alarm modes, including security personnel falling alarm
- Robust design with IP66 protection, unaffected sensors, and anti-radiation enclosure
- Real-time and timing detection modes, various storage options with data recovery
- Short-range wireless or GPRS wireless transmission via built-in module
- Supports USB data download, micro-portable printer, and Bluetooth wireless printing
Technical Specifications
| Detection gas | Nitrogen gas (NH3) in air |
| Working principle | Electrochemical |
| Detection range | 0 VOL to 100% VOL |
| Resolution | 0.01% VOL |
| Accuracy | ≤±3% F.S. |
| Repeatability | ≤±1% |
| Zero drift | ≤±1% (F.S./year) |
| Response time | ≤20 s (T90) |
| Recovery time | ≤30 s |
| Shell material | High strength abrasion resistant polycarbonate enclosure stainless steel |
| Battery | Standard 6000 mAh capacity lithium battery, more than 30 hours |
| Charger | Standard 5 V 2.1 A USB |
| Alarm method | Sound alarm 95 db, red LED alarm light. |
| Screen | 2.3-inch TFT |
| Backlight | Manual, automatic when alarming |
| Button | 7 buttons navigation |
| Direct reading | Measured value, data logging status, pump working status, environment temperature and humidity, maximum value, minimum value, average value |
| Data download | Support USB data download; support GPRS wireless transmission (optional) |
| Data print | Support micro-portable printer, Bluetooth wireless printing. |
| Calibration | 3 to 8 level of the target-point automatic calibration, can set the calibration certified value, zero setting. |
| Explosion proof | ExdⅡCT4 Ga (Intrinsically Safe) |
| Protection class | IP 66 (water and dust proof) |
| Operation mode | User mode, administrator mode |
| Working humidity | 0 RH to 95% RH (Non-condensing) |
| Dimensions | 3.14 in x 7.87 in x 2.28 in (80 mm × 200 mm × 58 mm) |
| Working temperature | -40 ℉ to 158 ℉ (-40 ℃ to 70 ℃) |
| Weight | 1.14 lb. (5.2 g) |