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Product features:
◆Built-in temperature and humidity sensor, real-time display of ambient temperature and humidity;
◆Intelligent temperature and humidity and zero point compensation algorithm, full software automatic calibration function for target points above level 2 to level 3, to ensure the accuracy of measurement results; automatic detection when starting up The working status of each sensor and components;
◆Support PPM and mg/m3, % VOL and mg/L concentration unit free switching;
◆Automatic layout according to the number of sensors; automatic storage, manual storage, single point storage, multiple storage methods to choose from; storage interval can be customized, can store 300,000 sets of data with date and time marks, such as optional micro SD Memory card, which can store more than 10 million groups;
◆Short-distance wireless transmission or GPRS wireless transmission with unlimited distance anywhere can transmit real-time detection data and alarm status to the safety center through the built-in wireless module function (optional ) ;
◆ Support USB and RS232 serial port mode measurement data download; support miniature portable printer serial port printing.
Application fields:
1. It is used for environmental protection monitoring such as air and pollution source emissions;
2. It is used for industrial process control of petroleum, chemical industry, power station, etc., and it is specially used for gas analysis and detection of mud logging equipment;
3. Used in fields such as agriculture, medical care and health and scientific research experiments;
4. Determination of gas content in various combustion tests of garbage incineration and landfill ;
5,For air monitoring in public places;
Product parameters:
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product name |
Desktop Nitrogen Dioxide Gas Analyzer |
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Gas detection |
Nitrogen dioxide (NO2) |
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Detection principle |
Principles of Electrochemistry |
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Measuring range |
0-100ppm, 500ppm, 1000ppm, 2000ppm optional; |
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resolution |
0.1 ppm (0~50ppm); 0.1ppm (0~100ppm); 1ppm (0~1000ppm); 1ppm (above 1000ppm); |
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installation method |
①Desktop, rack type; ②Wall-mounted installation, with mounting bracket |
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Indication error |
≤±3% FS (higher accuracy requirements based on sensor performance) |
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repeatability |
≤±1% |
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zero drift |
≤±1% (FS/year) |
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Response time |
≤25 seconds (T90), (higher requirements based on sensor performance) |
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Recovery Time |
≤30 seconds (higher requirements based on sensor performance) |
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Preheat time |
More than 120 seconds (according to different sensor configurations) |
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Power supply |
220VAC +10%, -15%; 50Hz ±5Hz |
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fuse |
Rated current: 10A Size: 5mm*20mm |
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Intake flow |
(0.5-0.8) L/min (flow fluctuation ≤ 0.02L/min) |
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Environmental pressure |
86kPa～106kPa |
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ambient temperature |
-20°C～+55°C (typical value) -40°C～+70°C (limit value) |
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environment humidity |
10%～95%RH (no condensation) |
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The main material |
SPCC+ aluminum profile |
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output signal |
① Three-wire 4-20mA current signal output, which can be connected to various alarm controllers, PLC, DCS and other control systems |
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Signal transmission method |
①Three-core (four-core) shielded cable transmission: the farthest transmission distance is 1000 meters to 2000 meters (single core 1 square shielded cable) |
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Alarm method |
External sound and light alarm can be installed, alarm sound: < 90 decibels |
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Alarm point setting |
A1 alarm value, A2 alarm value; TWA alarm value, STEL alarm value can be set separately |
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display screen |
5-inch TFT touch TFT-LCD color LCD screen, 800x480 dot matrix LCD |
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Operation method |
5-inch LCD touch screen touch operation + button auxiliary operation |
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button |
Main interface+lock screen+reset` |
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backlight |
Manual, automatic when alarm |
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direct reading |
Measured value, ambient temperature and humidity, date and time, maximum value, minimum value |
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data record |
Automatic, manual, single-point storage, 1-6 sensor storage intervals can be customized, can continuously store 300,000 sets of data with date and time, optional micro SD memory card, can store more than 10 million sets of data |
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data download |
Support USB and RS232 serial port measurement data download |
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data printing |
Support miniature portable printer serial port printing (optional) |
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calibration |
2-level to 3-level target point full software calibration function, calibration calibration value can be set, one-key zero adjustment |
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Calibration standard gas requirements |
Zero-point standard gas: 99.999% N2 (nitrogen); |
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Explosion-proof grade |
Ex ia ⅡC T4 Ga (intrinsically safe) |
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degree of protection |
IP42 |
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operating mode |
Two operating modes, user mode and administrator mode, are available |
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size |
Standard 19-inch chassis, width 480mm × depth 310mm × height 130mm |
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weight |
About 7Kg |
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Executive standard |
GB15322.1-2003, GB3836.1-2010, GB3836.2-2010, GB3836.4-2010 |
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quality assurance |
One year warranty period, free maintenance during the warranty period. |