Complies with or exceeds the precision required by the OIML's recommendation R99 (of 1991), class I, and its revision OIML R99-1 which includes oxygen measuring. Also for the ISO3960. Certificates from the TÜV and PTB organisations of Germany stating the compliance of the infrared bench and oxygen sensor, can be shown. Complies or exceeds the CE standards about electromagnetic compatibility [EN55011(91), EN50082-1(92), EN61000-3-2(95), EN61000-3-3(95)] and electrical safety (EN61010).

Non-dispersive infrared absorption measuring technique for CO, CO2 and HC (in propane or hexane equivalents).
Measure of O2 by long life electrochemical sensor.
Precision in the O2 measure with two decimal digits .
Measuring of RPM by inductive pick-up.
Lambda factor calculation with three decimal digits.
Preinstaled (software included) for a NOx electrochemical sensor.
Preinstalled to connect a temperature probe.
Automatic auto-zero process, even with the exhaust probe inserted in the car's tailpipe.
Automatic control for air leakage in the exhaust gas sampling system.
Automatic and continuous drain of water.
Goes automatically to standby (pump off) after three minuts without readings.
Minimum maintenance because its low cost filtering system (only two normal gasoline filters).
Very short heating time: 3 - 5 minutes.
Power supply: 230Vca - 50/60Hz.

Partial flux measuring technique. Compatible with the free acceleration tests (among other, those described in the European Directive 92/55)
Operating life over 20,000 hours.
Operating temperature +5..+40ºC (40..105ºF).
Warming up time: 3-5 minutes.
Ergonomic design: small size and low weight.
Easy cleaning of the lens.
Power Supply: 230Vac - 50/60 Hz.
Weight: 8 kg
Metrological characteristics: Precision : ±2%, Resolution 0,1% or 0,01 m-1, Range 0-16,06 m-1 or 0-99.9%, Operating temperature +5..+40ºC (40..105ºF), Relative humidity 0..95%.

Complies with the standards:
Electrical: IEC 801-1 /-2 /-3 /-4, EN 50 081-1 /-2, EN 50 082-1 /-2
Specific: Spain UNE 82503.