1. Measure HC, CO, CO2 and O2 gas concentrations.
2. Automatically calculate and display the air-fuel ratio λ
3. Detect the combustion performance and emission pollution of engine
4. American bar-97 standard Accurate, ISO3930 or oimlr99 class I accuracy

1. Integrated Structural Design
2. Display opacity degrees N, light absorption coefficient K and the corresponding value of filter paper-type smoke SF.
3. ISO11614 and GB3847-2018 technical requirements.
4. Optional speed measurement and oil temperature measurement

1. Measure HC,CO and NOx gas concentrations
2.Advanced international technology, import the key components assembled. 3. High-brightness digital display
4. Freely idling and dual idling measure

1. Measure HC and CO gas concentrations；
2. Advanced international technology, import the key components assembled.
3. Built-in printer (or the analog output interface or or Bluetooth/ RS232)

1. Measure HC, CO, CO2,O2 gas concentrations
2.. Advanced international technology, import the key components assembled.
3. American bar-97 standard, ISO3930 or oimlr99.
4. HC residual measurement, flow monitoring and gas path leakage inspection.
5. Optional speed and oil temperature measurement

1. Separated structural design
2. Adopted a triage-type sampling technique
3. “Air curtain” technology to protect the optical system from contamination
4. ISO11614 and GB3847-2018 technical requirements

Measure HC, CO, CO2,O2 and NOx gas concentrations；
Automatically calculate and display the air-fuel ratio λ.
Free idle, double idle and multi working condition measurement
Auto-alarm when the gas line blocking
Built-in printer

Measure HC, CO, CO2,O2 and NOx gas concentrations；
German imports of infrared detector, O2and NOX sensor.
Measuring gasoline, LPG, CNG, alcohol and diesel fuel;
BAR97standards, ISO3930 or OIMLR99 I level precision;
Built-in printer (or the analog output interface or or Bluetooth/ RS232)