| 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 |
| Concentration unit | ppm, mg/m3, %VOL, %LEL, can be switched by one button and the concentration value is automatically converted by
the internal system |
| Precision | 2% FS |
| Response Time | ≤ 10S |
| 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: 0-800 mL/Min |
| Modular structure | 3 detection modules, each module can be selected to detect up to 6 kinds of gases, and a total of 18 kinds of gases can be selected |
| Display | 3.5 inch colour display, resolution 320×480 |
| Display content | Gas formula, concentration data, unit of measure, gas curve trend, battery level, time, temperature, humidity, pressure (optional), pump status, wireless status, printer status, 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 Humidity display range | Temperature: -20°C- 50 °C, resolution: 0.1 °C
humidity: 0-99% RH, resolution: 1% RH (optional) |
| Data storage | Standard 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; with PC software to download, store, analyze, print data |
| Communication | Output RS232, RS485 signal; with PC software to download, store, analyze, print data (optional) |
| Wireless transmission | Bluetooth (with printer), ZigBee, built-in DTU wireless module (optional) |
| Printing | Built-in printer or external Bluetooth printer (optional), Print Content: Text, graphics, 1D code, 2D code, curve |
| Screen capture settings | The content displayed by the current host saved in the form of a BMP picture, and then the picture exported to the computer through the USB cable for the user to record and reference |
| Battery capacity | 3.7 VDC, 10000 mA rechargeable polymer battery with
overcharge, over discharge, over voltage, short circuit
protection |
| Charging interface | Micro-USB charging interface is designed to be charged
anytime, anywhere with common data lines and mobile power |
| Operating temperature | -0°C-70°C (optional flue gas sampling probe, up to 1200°C smoke concentration) |
| Working humidity | 0-95% RH (no condensation) (high humidity can be selected with filter drying device) |
| Explosion-Proof | Exic II CT3 Gc |
| Alarm mode | Buzzer, red LED and alarm status prompt on the display, fault alarm, pump abnormal alarm, battery low battery alarm, shutdown alarm, fall alarm (optional) |
| Dimension | 260×230×120 mm |
| Recovery Time | ≤ 10S |
| Linearity error | ≤ ± 1% |
| Degree of protection | IP66 |
| Weight | 3700 g |
