Portable Nitrogen N2 Gas Detector LNGD-A10 take sample by built-in pump and has measuring range of 0 to 100 % VOL, fast and accurate measurement. Features with stable flow pump, each flow pump is equipped in each independent module, pump flow is adjustable in ten steps, and flow range is up to 0 to 500 mL/min. It display multiple display modes selectable, multi-channel data mode, multi-curve mode, multi-channel data + multi-curve mode, single channel + single curve mode. Designed with 3.5-inch high-definition color screen, high resolution, wide viewing angle. The air supply system of up to three pumps can switch the pump arbitrarily, blocking the loss of the cross-gas to the relevant sensor and prolonging the service life of the sensor. It support gas concentration data display, gas concentration real-time curve display mode arbitrary switching.
| Gas Detected | Nitrogen N2 |
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| Detection principle | Electrochemical principles |
| Measurement Range | 0 to 100 %.Vol |
| Resolution | 0.01 %VOL |
| Concentration unit | ppm, mg/m<sup>3</sup>, %VOL, %LEL, can be switched by one button, and the concentration value is automatically converted by the internal system |
| Precision | 2 % FS |
| Response Time | ≤ 8S |
| Repeatability | ≤ ± 1 % |
| Zero shift | ≤ ± 1% (F.S / Year) |
| Sampling method | Built-in stable flow pump, each flow pump is equipped in each independent module, pump flow is adjustable in ten steps, flow range: 0 to 500 mL/Min |
| Modular structure | Can detect up to 1 to 4 kinds of gases |
| Display | 3.5-inch color display, resolution 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 mode | Multiple display modes selectable, multi-channel data mode, multi-curve mode, multi-channel data + multi-curve mode, single channel + single curve mode |
| Temperature and humidity detection range | Temperature: -20 °C to 50 °C, resolution: 0.1 °C humidity: 0 to 99% RH, resolution: 1% RH (optional) |
| Data storage | Standard 16M capacity storage function, can save upto 100000 groups of data. With optional 8G SD card storage function (more capacity can be customized), storage interval can be set by itself, can achieve local storage, view, delete historical data and alarm records, Can be directly connected to the computer through USB, quickly download stored data , TXT document |
| Communication and data download | Output USB port Optional PC software to download in excel format, store, analyze, optional print data with blue-tooth printer |
| Wireless transmission | (optional) Bluetooth (with printer), ZigBee, built-in DTU wireless module (optional) |
| Printing | Built-in printer or external Bluetooth printer (optional with extra charge) |
| Print content | Text, graphics, 1D code, 2D code, curve |
| Screen capture settings | The content displayed by the current host can be saved in the form of a BMP picture, and then the picture is exported to the computer through the USB cable for the user to record and reference |
| Operating language | English |
| Battery capacity | 3800 mA rechargeable polymer battery with overcharge, over discharge, over voltage, short circuit protection |
| Charging interface | USB charging interface, 5V/2A standard charger |
| Filter device | Equipped with a multi-layer filter to efficiently filter oil, water and dust |
| Wireless network | Bluetooth (with print function), ZigBee, Lora+ (relay DTU), DTU (optional with extra charge) |
| Network frequency | Lora (470M), DTU (2.4G) |
| Wireless trans. distance | Lora (1.6 km), DTU (unlimited) |
| Operating temperature | -20 to 50°C (optional flue gas sampling probe, up to 600°C , 1200°C smoke concentration) |
| Working humidity | 0 to 95% RH (no condensation) (high humidity can be selected with filter drying device) |
| Explosion-Proof | Exic II CT3 Gc |
| Alarm mode | Buzzer, LED and alarm status prompt on the display, fault alarm, pump abnormal alarm, battery low battery alarm, shutdown alarm, fall alarm (optional with extra charge) |
| Dimension | 270 × 75 × 41 mm |
| Recovery Time | ≤ 10S |
| Linearity error | ≤ ± 1% |
| Degree of protection | IP66 |
| Weight | 400 g |
Portable Nitrogen N2 Gas Detector is used in pharmaceutical, medical, food, corrosion, Disinfection, chemical fertilizers, resins, adhesives and across pesticides, raw materials, samples, process and breeding plants, waste treatment plants, perm places
| Sampling method | Diffusion | ||||
| Measurement principle | Electrochemical (oxygen, toxic gases), Catalytic combustion (flammable gases), Infrared principle (carbon dioxide gas) | ||||
| Detector gas | Flammable gases, oxygen gas, toxic and harmful gases | ||||
| Response time |
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| Sampling Method | Diffusion | ||||||
| Working conditions |
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| Explosion proof grade | Exia II CT3 | ||||||
| Protection grade | IP65 |
| Sampling method | Diffusion |
| Sensor type | CO2: solid electrolyte sensor, O2：electrochemical sensor |
| Detection range | CO2：0.04 to 5.00 % and O2：0.0 to 30.0 % |
| Detection accuracy | CO2：± 30 % rdg (rdg = reading) and O2：± 3 % F.S. (F.S. = full scale) |
| Gas detected | NO<sub>2</sub> |
| Detection principle | Electrochemistry |
| Sampling method | Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection. |
| Measure range | 0 to1000 ppm |
| Gas Detected | O2 CH4 CO2 VOC CO H2S SO2 CL2 NO2 NH3 |
| Detection principle | Electrochemical principle (O2 CO H2S SO2 CL2 NO2 NH3) Infrared principle (CH4 CO) Photoionization principles (VOC) |
| Measurement Range | O2: 0-30% VOL, CH4: 0-50000 PPM, CO2:0-50000 PPM VOC:0-2000 PPM, CO:0-999 PPM, H2S: 0-200 PPM SO2: 0-25 PPM, CL2: 0-50 PPM, NO2: 0-100 PPM, NH3:0-100 PPM |
| Resolution | O2: 0.01% VOL, CH4: 1 PPM, CO2:1 PPM VOC:1 PPM, CO:0.1 PPM, H2S: 0.1 PPM SO2: 0.01 PPM, CL2: 0.01 PPM, NO2: 0.01 PPM, NH3:0.01 PPM |
| Measurement principle | Non-dispersive infrared (NDIR) |
| Gas Detected | SF6: 0 to 50 ppm range/ 0 to 1000 ppm range (as per req.) |
| Detection Uncertainty | <1.5 % F.S |
| Detection Resolution | 0.1ppm |
| Gas detected | Sulfur dioxide SO<sub>2</sub> |
| Detection principle | Electrochemistry |
| Sampling method | Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection. |
| Measure range | 0 to1000 ppm |
| Sampling | With internal sampling pump, flow rate is up to 1 L/min, ten grades of pumping suction for selection |
| Gas | Ethylene C2H4 |
| Measure Range | 0 to 1000 ppm |
| Resolution | 1ppm |
| Measurement range | 0 ppm ∼ 5 ppm |
| Resolution | 0.001 ppm ( 0 ppm ∼ 5 ppm ) |
| Temperature range | ˗ 40 °C ∼ 120 °C |
| Humidity range | 0 % ∼ 100 % RH |
| Measuring range | ± 500 Pa |
| Repeatability | ± 0.2 % FS |
| Resolution | 0.1 Pa |
| Sampling rate | 0.5 s |
| Measuring range | 0 ∼ 125 Pa |
| Accuracy | 0 ± 0.2 Pa (liner error)<hr> ± 1 % |
| Operating temperature range | 0 °C ∼ 50 °C |
| Operational humidity | ˂ 85 RH |
| Ozone measurement range | 0 ppm ∼ 100 ppm/ 0 ppm ∼ 1000 ppm |
| Flow rate | 1 L/min |
| Accuracy | 0.01 ppm |
| Measuring time | 10 seconds |
| Capacity | 50 kg |
| Accuracy | 1 g |
| Speed | 1 s |
| Value stable time | 2 s |
| Temperature Measurement Range | -10℃ to 60℃ |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ± 1.5℃ |
| Relative Humidity Range | 20% to 80% RH |
| Sampling | With internal sampling pump, flow rate is up to 1 L/min, ten grades of pumping suction for selection |
| Gas | Ethylene C2H4 |
| Measure Range | 0 to 1000 ppm |
| Resolution | 1ppm |
| Sampling Method | Diffusion | ||||||
| Working conditions |
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| Explosion proof grade | Exia II CT3 | ||||||
| Protection grade | IP65 |
| Sampling method | Diffusion |
| Sensor type | CO2: solid electrolyte sensor, O2：electrochemical sensor |
| Detection range | CO2：0.04 to 5.00 % and O2：0.0 to 30.0 % |
| Detection accuracy | CO2：± 30 % rdg (rdg = reading) and O2：± 3 % F.S. (F.S. = full scale) |