Portable Nitrogen N2 Gas Detector LNGD-A10

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
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
  • It is used in detection of nitrogen gas
  • The outer casing is made of aviation wear-resistant material
  • Designed with 3.5-inch high-definition color screen, high resolution, wide viewing angle
  • It use sensor overload automatic protection
  • Built-in sampling pump, the pump's flow rate is adjustable in ten steps
  • Designed with timed shutdown function, intelligent settings
  • Equipped with Buzzer, LED and alarm status prompt on the display, fault alarm, pump abnormal alarm, battery low battery alarm, shutdown alarm and fall alarm
  • Offers a flashlight function that illuminates the darkness for certain workplaces and make Underground work easier
  • Three-layer filter unit is built in to efficiently filter oil, water, dust and other impurities
  • It can be directly connected to the computer through USB, quickly download stored data, TXT document with PC software to download dates in EXCEL
  • Offers standard with metal detection extension rod, suitable for a variety of detection environments
  • It support gas concentration data display, gas concentration real-time curve display mode arbitrary switching
  • One-click screen capture function, save test data and curve in picture form
  • Explosion-proof certification

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
CO2 < 10 s
O2, flammable gases < 20 s
CO, H2S, SO2, NO, ClO2, NO2, H2 < 30 s
HCN, NH3, PH3 < 100 s
Sampling Method Diffusion
Working conditions
Temperature -20 to 50°C
Pressure 0.9 to 1.1 (standard atmospheric pressure)
Humidity 10 to 95 % RH (no dew condensation)
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
Temperature -20 to 50°C
Pressure 0.9 to 1.1 (standard atmospheric pressure)
Humidity 10 to 95 % RH (no dew condensation)
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)