Alphasense NO gas sensors are available in different sizes and models. Nitric Oxide sensors has Strong signal levels that combined with low zero current allows resolution to 200 parts per billion (ppb) whilst giving linear outputs to as high as 250ppm.
Compact NO sensors:
NO-B4,NO-B1
Miniature Nitric Oxide sensors:
NO-D4
Small NO gas sensors:
NO-AE,NO-A4,NO-A1