I have supplied the TVOC 2 with power. Why can I not see the 4 to 20 mA output?

The TVOC 2 only displays ppm readings. To obtain a 4 to 20mA output, 5 to 28 V must be supplied to the coloured connectors in the instrument.

Please see the manual for details or contact service@ion.nsrdev.xyz.

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2023-01-28 10:19:02
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