product details / scope of delivery


  • Emission tester stands out due to limited weight and compact design
  • Short warm-up time, quick measurement readiness
  • One single probe sufficient for diesel and petrol
  • Accurate analysis of gas components HC, CO, CO2, O2 with lambda value calculation
  • Time-saving and easy testing/diagnosis of opacity/particle concentration using the partial flow method with free acceleration or engine under load
  • Intuitive operation, clear structure in emissions testing process as set out in current guidelines 5 enable minimum cycle times
  • The MAHA VCI makes EOBD analysis easy
  • Innovative condensate separation thanks to active water separator
  • Easy to maintain thanks to optimum accessibility
  • Future-proof with the latest technology
  • All measurement values HC, CO, CO2, O2, K-value, turbidity, particle concentration can be displayed simultaneously
  • Option:
    • Expandable for NOx analysis; (nitrogen monoxide (NO) and nitrogen dioxide (NO2) are measured separately)
    • W-LAN interface

Petrol Tester Module Description:

  • Partial flow emission tester with display unit (basic device) for analysis of gas components HC, CO, CO2 and O2 with lambda value calculation
  • Emission testing of CNG, LPG and petrol engines possible

Diesel Tester Module Description:
Official German PTB-approval 18.09

  • Instantaneous or continuous measurement
  • Options:
    • W-LAN interface

MET 6.3 Standard Delivery:

  • Basic units: gas analyser and opacimeter/particle measurement device in a high-quality synthetic casing with integrated display unit and keypad
  • Steel mesh emission probe, 600 mm, 2000 mm probe tubing (optional 4000 mm)
  • LAN interface with LAN cable (RJ 45)
  • Power supply unit 110V - 230V, 50/60Hz
  • Transparent drain hose for condensed water with collecting tank
  • Main filter, zero filter and condensate filter
  • Electrochemical O2 sensor
  • Trigger tongs for MET 6.3 for inductive RPM measurement at ignition cables
  • 2 replacement filters, 2 replacement seals
  • Measurement software for continuous measurement and control Of MET without country-specific test procedure


Sales documents

Technical Datasheet

Technical Data

MET 6.3 Technical Data:

Power supply110-230V 50/60 Hz
On-board voltage connection10-30 V, DC
Dimensions (L x W x H)406 x 225 x 160 mm
Weightapprox. 5.0 kg

MET 6.3 Gas Analyser Unit Technical Data:

Measurable gasesHC, CO, CO2, O2
Measurement principle: infrared spectrometryHC, CO, CO2
Electrochemical detectionO2
Operating pressure750-1100 hPa
Accuracy class0 (OIML)
Measurement range / measured value resolution (max.):
CO0-15 % Vol./0.01
CO20-20 % Vol./0.01
HC0-30000 ppm/1
O20-25 % Vol./0.01
Lambda (calculated)0-9.99/0.01

MET 6.3 Technical Data,
Opacity/Particle Concentration Unit:

Measurement principleabsorbance measurement
Heat-up time for measuring cell150 s
Measuring range, turbidity0-100 %
Measuring range, absorption coefficient0-9.99 m-1
Resolution, absorption coefficient0.01 m-1
Measuring range, particle concentration1-1100 mg/m³
Resolution, particle concentration1 mg/m³