SGA 40 Gas Analyzer

SGA 40 Gas Analyzer

High-quality petrol gas analyzer with robust metal housing, bright long‑range LED display, and proven reliability since 1994.

Emission Testing Made Easy and Precise

The SGA 40 combines a rugged metal chassis with a large, very bright LED display for excellent readability even at a distance.
Core functions include auto‑zeroing, automatic gas calibration, leak test and HC residual test.
It is available as a 3‑, 4‑ or 5‑gas analyzer (with NOx) and has been used by vehicle inspection organizations worldwide since 1997 for cars, motorcycles and mopeds.

SGA 40 Front View

Key Features at a Glance

Technical Specifications

Parameter Range Resolution Accuracy* ±abs (±rel)
CO 0 – 10 vol.% 0.01 vol.% 0.02 vol.% (3%)
HC 0 – 20,000 ppm vol. 1 ppm vol. 4 ppm vol. (3%)
CO₂ 0 – 20 vol.% 0.1 vol.% 0.3 vol.% (3%)
O₂ 0 – 25 vol.% 0.01 vol.% 0.1 vol.% (3%)
Lambda 0.6 – 1.7 0.001
AFR 0 – 35 0.01
NOx 0 – 5,000 ppm 1 ppm 25 ppm
RPM 0 – 9,999 r/m 1 1/m

* as provided in manufacturer documentation

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