Handheld Nitrogen Detector LB-11DOX
Handheld Nitrogen Detector LB-11DOX Detects combustible, toxic and oxygen gases with a measurement range up to 0–100% LEL or ppm levels depending on sensor type. It is built with multiple sensor compatibility for reliable detection across a broad range of hazardous gases. Real-time digital display presents gas concentration, alarm status and sensor life information at a glance. Its integrated automatic calibration and self-diagnosis routines ensure consistent performance accuracy. Designed with ergonomic handheld construction and smart audible/visual alerts for dependable field operation.
$ 2175
Download CatalogSpecifications
| Gas Detected | Nitrogen |
| Measuring Range | 0 to 100% vol |
| Measuring Resolution | 0.01% vol |
| Concentration Units | ppm, mg/m³, %VOL, %LEL; switchable with automatic conversion by the system |
| Detection Principle | Electrochemistry |
| Precision | ≤±2% FS |
| Response Time | ≤8 seconds |
| Repeatability | ≤±1% |
| Zero Shift | ≤±1% (F.S/Year) |
| Sampling Method | Built-in pumping with a high-quality micro pump; low noise, low vibration, stable suction; adjustable in ten speeds with a flow range of 0 to 500 ml/min |
| Modular Structure | Capable of detecting 1 to 5 types of gases simultaneously |
| Display | 3.5-inch IPS colour LCD with a resolution of 320 × 480 |
| Display Content | Gas formula, concentration data, unit of measure, gas curve trend, battery level, time, temperature (optional), humidity (optional), pressure (optional), pump status, wireless status (optional), printer status (optional), screen capture status |
| Display Modes | Multiple selectable modes: multi-channel data, multi-curve, multi-channel data + multi-curve, single channel + single curve |
| Temperature Detection Range | -20°C to 50°C; resolution: 0.1°C (optional) |
| Humidity Detection Range | 0 to 99% RH; resolution: 1% RH (optional) |
| Data Storage | Automatic recording with customizable intervals; standard storage of 100,000 history or alarm records; optional independent 8 GB memory card |
| Communication & Data Download | Direct USB connection to a computer for quick TXT data download; optional PC software can convert TXT documents to Excel format |
| Wireless Transmission | LORA (optional), Bluetooth (optional) |
| Printing | External portable Bluetooth printer (optional) |
| Print Content | Real-time concentration data and historical data |
| Screen Capture | Saves current display content as BMP images, exportable to a computer via USB |
| Operating Language | English |
| Battery Capacity | 3800 mAh rechargeable lithium battery |
| Charging Interface | Micro USB |
| Filter Device | Multi-layer filter efficiently removes oil, water, and dust |
| Wireless Network | LORA (398 to 525 MHz), Bluetooth (2.4 GHz) |
| Wireless Transmission Distance | LORA: up to 3500 m in open space; Bluetooth: up to 10 m |
| Operating Temperature | -20°C to 50°C (optional flue gas sampling probe available for up to 1200°C) |
| Working Humidity | 0 to 95% RH (non-condensing); optional filter available for high moisture environments; Working Pressure: 96-106 KPa |
| Explosion-Proof Rating | Ex ia IIC T4 Gc |
| Alarm Modes | Buzzer, light, and on-display status prompts; low battery alarm |
| Recovery Time | ≤10 seconds |
| Linearity Error | ≤1% |
| Degree of Protection | IP66 |
| Dimensions | 170 × 75 × 41 mm |
| Packaging Dimensions | 270 × 230 × 110 mm |
| Net Weight | 0.4Kg |
| Gross Weight | 1.5Kg |
Features
- Dual alarm output
- Rechargeable battery
- Data logging memory
- Robust splash protection
- Backlit LCD screen
Standard Accessories
Gas Detector
5V/2A charger
Micro-USB cable
Hydrazine filter
Suitcase
Optional Accessories
Portable Bluetooth Printer
High Temperature Flue Gas Probe
CD with data software
Elastic bending probe
Applications
Handheld Nitrogen Detector LB-11DOX is used to identify and quantify combustible gases, toxic emissions and oxygen levels in industrial facilities, confined spaces, laboratories, chemical plants, mining operations, warehouses, HVAC safety checks and environmental monitoring operations.