QHZ4000B stationary wide-spectrum flagship type
QHZ4000B stationary wide-spectrum flagship type

QHZ4000B stationary wide-spectrum flagship type

Full Wide Spectrum Coverage - Overcoming the limitation of the conventional 7-14μm range, equipped with a 2-16μm wide-spectrum infrared detector, simultaneously capturing alkane VOCs and inorganic acid gases (SO₂/HCl), more comprehensive detection ability.

QHZ4000A stationary type ultra-long warning

QHZ4000A stationary type ultra-long warning

Ultra-long-range warning - large aperture long-focus telescopic system, effective detection radius reaches 5 km, specially designed for the borders of enterprises and security posts.

QHZ3000 mobile standard long range type

QHZ3000 mobile standard long range type

Self-developed and advanced technology - Adopts internationally advanced Fourier transform infrared spectroscopy remote sensing technology, key capabilities are independent and controllable.

QHZ3000D mobile dual beam scanning type

QHZ3000D mobile dual beam scanning type

Ultra-high-speed scanning - a two-channel high-speed rotating device in the visible and infrared ranges, the scanning speed reaches 50°/s, significantly reducing the time for surveying large areas.

QHZ3000C mobile type precision VOC measurement

QHZ3000C mobile type precision VOC measurement

Ultra-wide spectral range - overcome the limitation of the conventional range of 7-14μm, equipped with an extended spectral range detector of 3-16μm, simultaneously capture alkane VOCs and inorganic acid gases (SO₂, NOx, NH₃), more comprehensive detection ability.

QHZ3000B mobile standard medium range type

QHZ3000B mobile standard medium range type

Highly cost-effective - the combination of a mid-focus optical lens and a standard long-wave infrared detector, the configuration with the greatest cost advantage among mobile products.

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FTIR imaging system

Anhui Lijian Defense Science and Technology Co., Ltd. is a company specializing in the industry of emergency rescue and environmental protection equipment. Main products include FTIR gas analyzers, FTIR gas imaging spectrometers, remote gas detection systems, portable passive FTIR remote sensors for emergency rescue applications.

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