Main functions and characteristics
Measure concentration of HC, CO, CO , O and 2 2 NO inautomotive exhaust emissions Chinese or English menu for easy operation
LCD screen
Automatic zero reset
Assembled with advanced NDIR components and gas sensors measure ports
Automatic calculation and display of Air-Fuel Ratio λ
Small size, light weight and portable
Equipped with RS-232C digital serial communication interface
Equipped with rotation speed and oil temperature λ
With functions of License Plate Number entry and time display
800 groups of data storage and review
Meets the requirements of international standard ISO 3930 or OIML R99 Class

Main specifications
Measuring range:
HC:  0 to 10,000 ppm vol
CO:  0 to 10 % vol
CO2:  0 to 18 % vol2
O2:  0 to 23 % vol2
NO:  0 to 5,000 ppm vol
Indication error:
HC :  0-2000 ppm vol:12 ppm vol (Absolute Error) or 5 % (Relative Error)
 2,001-9999 ppm vol: 10% (Relative Error)
CO:  ± 0.06 % vol (absolute error) or ±5%(relative error)
CO2 :  ±0.5 % vol (absolute error) or ±5%(relative error)
O2 :  ±0.1 % vol (absolute error) or  ±5%(relative error)
NO:  ±25 ppm vol (absolute error) or ±4%(relative error)
Resolution:
HC:  1 ppm vol
CO:  0.01 % vol
CO2:  0.01 % vol
O2:  0.01 % vol
NO:  1 ppm vol

Response time:less than 10s; O less than 12s; NO less than 15s. 2
Warm-up time: 10min (when the environmental temperature is not less than 20 )
Power source: AC 220V 10% 50Hz 1Hz or DC12V (optional DC-AC inverter)
Weight: 7kg
Outer dimension: 260mm(width) 180mm(height) 450mm(depth)