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÷ Incorporates Vaisala CARBOCAP Sensor - the silicon based NDIR sensor ÷ Choice of several measurement ranges ÷ IP65 (NEMA 4) protected probe against dust and spray water ÷ Interchangeable probes provide easy maintenance Measurement range options GMM221 0 ... 2 %, 0 ... 3 %, 0 ... 5 %, 0 ... 10 %, 0 ... 20 % GMM222 0 ... 2000 ppm, 0 ... 3000 ppm, 0 ... 5000 ppm, for low concentrations 0 ... 7000 ppm, 0 ... 10 000 ppm
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