Ammonia Gas Leak Detector-Industrial-grade Designed Electrochemical Sensor
The EST-10-Ⅱ-NH3 ammonia concentration detector is a portable handheld gas concentration measurement instrument using natural diffusion method. It is primarily used in petrochemical plants, pharmaceutical factories, nitrogen fertilizer plants, glass factories, solid waste gas treatment, environmental monitoring, gas leakage detection, breeding farms, laboratories, and university research.
Product Features
2016 newly upgraded gas detector brand
Data storage function with USB connection for computer export
Two-level sound and light alarm system
Optional gas sampling pump available
Multifunctional industrial-grade design with over 100 gas detection options
Technical Specifications
| Product Name | Recording Gas Detector | Sensor Name | Optional (Electrochemical Sensor) |
| Product Model | EST-10-Ⅱ | Sensor Model | Optional |
| External Power Source | 5VDC/500mA | Detection Object | NH3 |
| Battery Type | Lithium-ion batteries | Detection Principle | Electrochemistry |
| Battery Voltage | 3.7V (charging limit is 4.2V) | Detection Mode | Diffusion type |
| Battery Capacity | 1600mAh | Detection Range | Optional |
| Shutdown Current | <0.1mA | Precision | ±5%FS |
| Starting Current | <20mA | Resolution | Optional |
| Alarm Current | <50mA | Working Temperature | -10℃-40℃ |
| Protection Grade | IP65 dustproof | Working Humidity | 0-95%RH |
| Display Mode | LCD screen | Air Pressure Range | 860-1060hpa |
| Type of Alarm | Level 2 acousto-optic alarm | Preheating Time | 60 seconds |
| Alarm Error | ≤ 10% alarm setting value | Response Time | T90≤30S (mostly) |
| Zero Drift | ≤±2%FS/6h | Life | 2-3 years (in air) |
| External Dimension | 120*60*35mm | Span Drift | ≤±5%FS/6h |
| Overall Weight | 250g (including battery) | Repeatability | ≤±2%FS |
Range Selection
| Model | Gas Type | Standard Range | Overload Range | Display Resolution | Precision | Response Time |
| EST-10-Ⅱ-NH3 | NH3 | 0-100PPM | 200PPM | 0.1PPM | ±5%F.S. | <60S |
Note: The above represents conventional gas concentration measurement ranges. Custom ranges are available upon request.