5 products found
Hangzhou Zetian Technology Products
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Vehicle Exhaust Monitoring
Zetian has developed monitoring systems for new application-Vehicle Exhaust
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Zetian - Model VEM-100M - UVDOAS Vehicle Exhaust NOx Optical Bench
Vehicle Exhaust Optical Bench is a gas analysis module based on Ultraviolet Differential Optical Absorption Spectroscopy(UV-DOAS), which is able to directly measure NO and NO2 in vehicle/steamship exhust and calculate NOx, without ...
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Zetian - Model VGT-100V - Vehicle Emissions Tester
VGT-100V Vehicle Emission Tester is a product designed on the basis of Vehicle Mass Analysis System (VMAS) of gasoline. It is used to measure concentration of exhaust gas discharged by vehicle engines, including NO, NO2, CO, CO2, HC, O2, etc. Among which, the measurement of NO and NO2 adopts UV Differential Optical Absorption Spectroscopy (UV-DOAS), the measurement of CO, CO2 and HC employs Non-dispersive Infrared Absorption Technology (NDIR), the ...
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Zetian - Model EMS-100 - Transmission Smoke Meter
EMS-100 Transmission Smokemeter is a kind of divided-flow transmission product, adopting self-developed measuring technology with independent property rights. It can be widely applied in environmental protection departments, vehicle inspection stations, vehicle factories, vehicle repair plants ...
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Zetian - Model ZG-100 - Zero Gas Generator
At present, daily calibration or zeroing process before vehicle measurement of exhaust gas analyzers in some detection station will use ambient air for zeroing, not completely meeting purity requirement of zero gas(especially for NO detection based on infrared principle, which will exists oisture interference). In addition, some other detection ststions use zero gas for zeroing but the amount is too large, which increases operation cost of detection. ...
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Zetian - Model EMS-200 - On-Board Smoke Meter
Our company has developed an on-board smokemeter based on optical method with advantages of small size, cheap price and on-board detection. The optical absorption coefficent covers 0-16m-1, which is able to monitor soot emission of diesel engines in any field. It is compatible with OBD ...