The World's 'first and only' super low cost, entry level instrument measuring accurately down to 10 ppm…..!

'New' unique lifetime sensor. Less than 60 seconds warm up. Virtually no maintenance.  No 'wet cell', no need to constantly calibrate, integrally mounted sensor,  Large alpha numeric display. Small and lightweight.  Automatic fault-finding diagnostics.

Measuring Range from 1000 to 10 ppm.