Replacement CO sensor (H2 compensated) for AMPRO 2000, AMPRO plus, OPTIMA 7, OPTIMAX, NOVA compact, NOVA plus, VARIO PLUS, VARIO luxx, SWG 100 and others. Nominal range: 0 to 4,000 (10,000 ppm) Short-term overload range: 20,000 ppm MUST BE CALIBRATED AFTER INSTALLATION! — Replacement CO sensor (H2 compensated) for AMPRO 2000, AMPRO plus, OPTIMA 7, OPTIMAX, NOVA compact, NOVA plus, VARIO PLUS, VARIO luxx, SWG 100 and others. Nominal range: 0 to 4,000 (10,000 ppm) Short-term overload range: 20,000 ppm MUST BE CALIBRATED AFTER INSTALLATION!
