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Features:
◆ Support free switch between PPM and mg/m3, %VOL and mg/L concentration units, and support free switch between Chinese and English operation interfaces;
◆ The standard configuration is a large capacity 11000 mAh lithium battery, and the continuous working time of a single gas is more than 32 hours; it supports mobile power supply and charging, and is compatible with universal USB port mobile phone chargers;
◆ Real-time data transmission, accurate local and remote wireless alarm notifications (optional) in multiple alarm modes, including the alarm function of people falling to keep safety under control;
◆ First-class mechanical design, shell combined with engineering plastics and high-strength wear-resistant aluminum, military-quality quality assurance; reasonable and scientific gas path and air chamber design, try to prevent the sensor from being disturbed by the environment; protection level IP66;
◆ A variety of storage methods, automatic storage, manual storage, single-point storage, storage interval can be customized, can store 300,000 sets of data with date and time marks, such as (optional) micro SD memory card, can store more than 5 million sets ;
◆ The short-distance wireless transmission method or the GPRS wireless transmission method 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 measurement data download, support miniature portable printer serial port or Bluetooth wireless printing (optional).
Product parameters:
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Gas detection |
Nitrogen (N2) in the air |
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Detection principle |
Principles of Electrochemistry |
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Measuring range |
0-100%.Vol |
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resolution |
0.01%Vol (0-100%Vol) |
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Sampling method |
Active pumping type, the built-in air pump can be opened or closed independently, the flow rate is 500mL/min |
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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 |
≤20 seconds (T90) |
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Recovery Time |
≤20 seconds |
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size |
Length 270mm × height 193mm × width 106mm |
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shell material |
Engineering plastic + 304 stainless steel + high-strength wear-resistant and corrosion-resistant aluminum alloy |
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weight |
2.1kg |
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Battery |
Super large capacity rechargeable lithium battery 11000mAh, single gas working time is more than 32 hours, six-in-one gas working time is more than 24 hours, charging time is less than 9 hours), support mobile power supply and charging |
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charger |
USB charger with square port, compatible with universal USB port mobile phone chargers |
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Alarm method |
Sound alarm 95 dB@30cm, red LED alarm light, personnel fall alarm; short-distance wireless and long-distance GPRS wireless alarm mode (optional) |
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show |
3.2-inch TFT high-definition large color screen |
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backlight |
Manual, automatic when alarm |
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button |
7-key navigation key |
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direct reading |
Measured value, data recording status, pump working status, maximum value, minimum value, average value; |
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data record |
Automatic, manual, single-point storage, storage interval can be customized, can store 300,000 sets of data with date and time continuously, and can store more than 5 million sets with optional micro SD memory card; |
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data download |
Support USB and RS232 serial port measurement data download, support GPRS wireless transmission (optional) |
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data printing |
Support miniature portable printer serial port or bluetooth wireless printing (optional) |
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calibration |
Target point calibration function from level 2 to level 4 or above, calibration calibration value can be set, one-key zero adjustment |
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Explosion-proof grade |
ExdⅡCT4 Gb (intrinsically safe) |
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degree of protection |
IP66 (waterproof and dustproof) |
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operating mode |
Two operating modes, user mode and administrator mode, are available |
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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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Executive standard |
GB 12358-2006, GB 3836.1-2010, GB 3836.4-2010 |
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quality assurance |
One year warranty period, free maintenance during the warranty period. |